3406b jake brake switch adjustment 003 inch) CJP1-UP MDP1-UP MEP1-UP W1A1-UP Jake Brake 340C : All ratings : 1. Jan 22, 2013 · It works as I expected an exhaust brake would work. I would suspect an issue with your jake brake switch or a mechanical issue with adjustment. 10 Consult application chart on page 2. Brake Reservoir Tanks. operation of model c-346 or c-346a engine brake on 3406b engine will result in engine damage. cat 3406b rear jake brake, c346b model, p/n 013173: cat 3406b jake brake assembly, model c346b, includes jakes, jake spacers, towers, bolts, rocker arm assy, exhaust valve bridges, for jake brake conversion: cat 3406b engine brake assembly, c346c model, front brake p/n 17271, rear brake p/n 17272, includes engine brakes, bolts, rockers, spacers Dec 19, 2017 · Using DiagnosticLink, view the service brake switch status. Then rotate the engine 360 degrees and adjust the intake valves 3, 5, and 6. Substantial cost savings with Pacbrake’s brand of Jake® engine brake tune-up kits. D: Cruise switch "might need to be" in the OFF position= It depends on the software , I believe BUT that is an easy item to Double check, FIRST. Net. com/channel/UCOPj4Htiu_glZS-YwHUwwXQFSC Truck Shop https://www. 02 ± 0. I go down a hill with a 6% and a 7% grade. 027 ± 0. No. Dec 4, 2019 · Do most 3406B models, with jakes, have a 2 or 3 stage jake control switch? I ask because my ‘87 Pete with 4MG has, “on/off” and a switch that either up or down. Pin #1 should be fused and will go through module to pin #3 for app. 143-2570 p03586 switch – hi / low / off 143-2574 p03777 plate – hi / low / off 143-2584 p05639 seal 143-2590 p39100 inner control valve spring 143-6455 p12246t wobble switch 143-6456 p12261t wobble switch & bracket group 143-6458 p12269 mounting bracket 143-6479 p34601 3406 / b / c tune-up kit 143-6545 p60045 relay 143-6549 p01304 toggle adjusting screw, as improper lash will result and engine damage will occur. Cat Man. exhaust, valve adjustment, and Jacob brake adjustment,. (B) Hydraulic Fault: Retarder is NOT operating properly (low on power) and NO active engine warning codes when engine brake is applied. Cat® Switch Assembly (Limit)(Throttle) Cat® Switch Assembly (Limit)(Throttle) Brake Master Cylinders. the brake switch. JACOBS ENGINE BRAKE™ 340 SERIES INSTALLATION MANUAL 5 Section 2: Brake Housing Installation Housing Placement 1. Access Engine Brake NEVER REMOVE OR ADJUST ANY ENGINE BRAKE OR COMPONENT WITH THE ENGINE RUNNING. Ensure that the connections are tight and secure. Each section covers a specific component or system with detailed illustrations. Thanks in advance. on which setting is the question. Please reply back if you need more help or have more questions. Model#: C346B: Part#: 013173: Sep 18, 2017 · With the Jake switch on either low or high, then the Jake activates to low when the vehicle speed is 2 1/2 mph over the cruise control setting and a second yellow light comes on at the dash. Unplug both Jake wires, and then slightly touch the ends to the plug in's. -Check housing torque (80 ft. The reason is at idle the foot of the driver is off the pedal which in turn closes the switch on the governor to activate the jakes. Oct 15, 2014 · Posted 10/15/2014 19:21 (#4128561) Subject: question about cat 3406B valve adj and jake brake central Ontario I just had the two pushrods come out of place and one bent badly on number two cylinder so if anyone has an idea why this would of happened or what else I should do other than replace them and adjust the valve clearance go ahead. manually resetting Jacob brake#MachineHealer Use two feeler gauges (14) as shown, and make an adjustment to the slave piston clearance (lash) at any cylinder location where the exhaust valves are closed. With the idle speed set, adjust buffer switch as follows: a. . 003 inch) 1LW1-UP 6NZ1-UP 7CZ1-UP Jake Brake 340D: All ratings : 0. if it won't energize when the truck is in motion, one of the switches must be staying open. Let me know if you need more help. However if you're idling at a stop with the clutch pedal NOT depressed, the Jake brake will come on killing the engine or causing a real rough idle so the dash switch has to be shut off. 1 TDC 3,5,6 Turn 360 deg. ft + 120 degrees Rods 70 lb. Jan 24, 2010 · Turn the Jake switch to on and full. You could have a bad jake switch. Carefully install the brake housing. Pac Brake: Which Cummins HP? TimSullivan: Monaco Owner's Forum: 6: 10-03-2014 01:09 PM: Pac Brake upgrade to Jake Brake? AttilaKara72: Monaco Owner's Forum: 10: 08-28-2014 08:26 AM: Cornerstone Jake brake question: Crippsfl: Entegra Owner's Forum: 9: 07-11-2014 07:23 PM: Reprogram for manual downshift with jake brake? Rich-n LOOKING FOR OVERHEAD ADJUSTMENT ON 3406B WITH JAKES. 3406b engine identification is essential to prevent mismatch of engine brake and engine. Push the service brake to the floor, then release the service brake to the original position. No; diagnose and repair the service brake switch. Jake Brake Compression Brake Adjustment Illustration 1 g00596577 Typical configuration for Jake Brake’s engine compression brake (1) Slave piston adjusting screw (2) Slave piston (3) Rocker arm Table 1 Slave Piston Lash Setting Jake Brake Compression Brakes Serial Number Prefix Horsepower Rating Slave Piston Lash Setting 2WS1-UP Jan 5, 2023 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Hi. Remove rear jake brake housing, loosen pushrod adjustment screw on # 5 and other "good jake brake cylinder " (I assume #4), flip up rocker arms. With a correct clutch switch operation/adjustment, you wouldn't need to shut them OFF at each and every spot sign or stop light, if you had your foot on the clutch pedal, holding it down. those engine brakes are ''People Controlled'' not ''Computer Controlled'' if it is running and the switch is on the engine brake will be on and the engine will stumble, unless you do 1 of 3 things,,, lightly rest your foot on the clutch pedal,,, lightly hold the throttle down, -or- just shut the dash switch 'Off' ENGINE BRAKE BASE KIT 94N14 - 450B 12VOLT S / L (Check CPL #s) 3804603 P14014 ENGINE BRAKE BASE KIT N14PLUS - 455B 12VOLT S / L (Check CPL #s) Replacement Engine Brake Tune-up Kits & Gaskets 3871261 P02164 GASKET 3871418 P40024 TUNE-UP KIT (25B,30,30E,400,400H, 425A) 3871481 P16846 GASKET-EACH - 455B/C N-14 P-14 3871537 P40026 TUNE-UP KIT This is a 3406B model but most other 3406 and c-15, C-16, C-13 engines have the same procedure 4 014027 Switch Actuating Lever 1 007671 Switch Assy. how do i adjust my jakes. Install the Jacobs 3/8" capscrew and the washer through the housing and into the support Oct 4, 2014 · works fine at idle, does that mean it stalls the engine if you switch it on hi ? the jake system should power the clutch switch, then the fuel pump switch and then go to the dash switch. 080 P34670 3406 B+C 1991 to present . Mar 30, 2012 · Here is a very crude drawing of the wiring for the jake. The truck ran like a top until I did this and now nothing. 5 inches (25 - 38 mm), measured at the tip of the actuator, when the clutch pedal is in the up (clutch engaged) position. This article provides detailed instructions and tips for valve and intake work, along with insights on installing Jake brakes for enhanced performance. Learn how to troubleshoot, adjust, and maintain your Caterpillar 3406B engine with ease. On the later engines the jakes would not come on at idle. Trp Engine Catalog Good used Engine brake from a Caterpillar 3406E engine. And the exhaust 2, 4, and 6. Turn adjustment screw (17) for the correct clearance (lash). The low idle adjustment is on the back of the governor. brake spacer. 6i-1676 switch gp-engine brake s/n 3zj609-16181 3406b truck engine 6i-1676: jake brake 3406c diesel truck engine. 1,2,4 cat 3406b rear jake brake, c346b model, p/n 013173: cat 3406b engine brake assembly, c346c model, front brake p/n 17271, rear brake p/n 17272, includes engine brakes, bolts, rockers, spacers, valve bridges: cat 3406b jake brake assembly, model c346b, includes jakes, jake spacers, towers, bolts, rocker arm assy, exhaust valve bridges, for jake The Jake Brake" Model 31 OA is designed and approved for use on all 1996 and later Caterpillar C-10 engines with an engine serial number prefix of 2PN. the engine ran fine and it no longer did it leaks fuel into the crankcase. Now, I usually go down in the same gear I pull up the hill. After each adjustment, tighten the nut for valve adjustment screw to 30 ± 4 N·m (22 ± 3 lb ft), and check the adjustment again. (35 N. One of the important components of this engine is the jake brake, or engine brake, which helps to control the speed of the vehicle on downhill slopes. ENGINE TYPE ADJUSTMENT GAUGE# 3406 . Keep in mind that this is not an engine brake. 1. 0:00 Cold Start1:30 Removing Jake Housings3:50 Disassembly14:08 Cleaning Having trouble with the Jake brake on my 5EK 1996 3406E engine. 20. Repeat this process for the other end of the wire that will be connected to the Jake Brake switch. We just had the injector pump rebuilt and we installed it today. Remove the housing hold-down bolts (3). Adjusting valves is still a matter of taking the valve covers off and bingo, there it is. Cat Jake/Engine Brake on HeavyTruckParts. When I hit the jake switch at idle the oil pressure drops approx 5 lbs but then come back up with no jake brake action on the motor. The Model 349A replaces the former Model 349. 346C, 346D) Note: there are some different adjustment settings, for different models AND serial numbers, also; for your final adjustments, after rebuild/Tune-up. Then adjust the exhaust valves 1, 3, and 5. #3406BCAT#3406B#Machinehealer The exhaust valves must be closed on the cylinder to be adjusted. Jake Brake 340 : 435 hp or more : 0. The goofy S looking plate at teh bottom of the pump is where the screws are to turn the motor up. The serial number is not Feb 5, 2010 · Thanks for the input guys. Adjust valve clearance. DO NOT remove engine brake housing at this time. When you are on number 1 compression stroke, you adjust the intake valves on cylinders 1,2, and 4. Take the Jake Brake switch and locate the two electrical terminals on the back. 00. Each component is connected to the engine, and they must be wired correctly for the Jake Brake to function Nov 20, 2011 · One of peices has part number on it which is 6N6872 and this is a spring guide clip. pin 29 (common) and pin 14 (input) will go to the brake switch. 070* P13184 *460 HP . You should see a slight spark, and hear the solenoid clicking on each one. Other trucks:1980 KW Ext hood, 1982 Kenworth Cabover Aerodyne (BJ and the Bear) 2000 and 2003 Kenworth W900's. ! CAUTION 6. Answered by Cat Man in 1 min 7 years ago. This Switch Assembly Cancels Jake Brakes when throttle is applied and sets idle speed. Cat 3406b Jake Brake Manual Read/Download Rydemore Heavy Duty Truck Parts Inc Engine Assembly CAT 3406B C-10, 1996, 2PN01293, Dec 3, 2006 · My friend has a C15 CAT and says the Jake engages properly, but is late to disengage. Next, apply power to the solenoid to see if it clicks or moves. 50. Used Used Cat 3406B Jake Brake Assembly Comlete Set PacBrake 346C / 346D Style. Dirks1505 Jake Brake Cat Fuel Pump Mounted Cancel Switch 3406 B Normally Open. Pay particular attention to the oil supply adapter to ensure proper alignment. Jan 4, 2011 · Look in the handy links sticky for a link and instruction to pete schematics. 018 but example:3zj16182 n up ,:bang trigger adjustment cyl 1= 0. Valve Adjustment 3. Part # P39010 – C-15/C-16/3406E (P-39A/B/D/E) Part # P34601 – C3406B/C(P-36) TUNE-UP KITS FOR JAKE® ENGINE BRAKES. 3. NOTE: Do not use this adjustment procedure for P-39B (identified by “P” on top of the hex adjusting screw) During the check and/or reset of valves and injectors, the slave piston adjustment can be done on cylinders with closed Sep 10, 2023 · Probably you will want to pull a valve cover and "read the Jake model number" on the Jake housing itself; to make sure you get the correct kit. -Oil pressure test at engine brake may be Jul 24, 2013 · The "base fuel" you speak of is simply determined by how much of an adjustment there is on the "low idle" screw or the jake brake switch depending on how the pump is equiped as the two are one in the same. Feb 29, 2024 · Search results cat 3406e jake/engine brake on heavytruckparts. Brake Shoe Assemblies. 060 P7446 3406B prior 1991 . The more the screw is turned in, the more the rack is moved and the more fuel is allowed to pass though the plunger. 003 inch) BXS1 Dec 2, 2011 · On a Cummins as soon as you give it any throttle the switch on the linkage interupts the circuit and won't allow the Jake to come on. 090 P18488 31 Install Caterpillar valve cover bases with the four Before placing brake units on engine, loosen and backout the slave piston adjusting screw until slave piston is seated in its bore. See the topic, Valve Clearance Setting, in the Testing and Adjusting Before placing brake units on engine, loosen and backout the slave piston adjusting screw until slave piston is seated in its bore. 003 inch) MBN1-UP Jake Brake 340D: All ratings : 0. The wiring to the air switch should be the same as the Jake. The engine brake has rust, please refer to the photos provided. Aug 4, 2023 · Supermutt. Fuel Pump Mounted Cancel Switch, 3406 B, Normally Open. After it is activated it does not shut off with the accelerator or dash switch -just keeps going even if I accelerate. Make safety a priority while saving time and money. bolts) (60 lb. Dec 27, 2017 · Blue Ox Exhaust Brake. Check for correct engine oil level. Jun 25, 2024 · To test a Jake Brake solenoid, first, disconnect the solenoid wires and check for continuity using a multimeter. Place the brake housing over the front studs. It's an exhaust brake and IMHO, for the moneyit works better than a Jake on a 3406B. clutch sw, cruise sw, jake sw set/ resume sw, jake solinoids, all work the same way and all use the same common. 003 inch) MBN1-UP Jake Brake 340D : All ratings : 0. Replaces 349. RE: Pete 379 and 3406B jake brake not working - CerealBeer: 2/3/2022 14:13 Jul 13, 2024 · 3406B 4GM68634, Has Pac brake and Brake Saver I need valve adjustment, injector, and pac brake adjustment with Torque specs. 64 ± 0. Discard the used The exhaust valves must be closed on the cylinder to be adjusted. #3406BCAT€ Jake Adjustment Cat C-15 - Jake Adjustment Cat C-15 by Hyrum Rousseau 2,528 views 1 year ago 2 minutes, 46 seconds - Setting Jake, slave piston lash. What is the right torque specs of the cylinder head bolts main bearing, connenting rod bearing ,rocker arm ,jake brake mobile-tech Automotive , Medium and Heavy Duty equipment , and Marine Technician with over 20 years of professional experience. If I had a Jake, I know I would grab one gear higher after the first 3/4 mile. Dirks1152 – Jacobs Jake Brake Clutch Pedal Switch, 359/379 Jan 8, 2023 · Our Pete has a electric over air switch to run the retarder off the switch like a Jake, and it is in conjunction with the regulator. 040 ± 0. Hi, Claudio. find a "good" adjusting jake brake cylinder (I assume #4, adjusted fine) B. 6 TDC Intake 3,5,6 Exhaust 2,4,6 Inj. With the engine OFF for a minimum of five minutes, check the oil level. It is not a jake. Caterpillar 3406e engine brake partsCaterpillar 3406e engine brake parts Caterpillar 3406e engine brake 019948 for sale3406e brake brakes. ARP studs, EGR Delete, and SCT from Vivian. m). Feb 11, 2010 · What it does is keep the jakes from coming unless the throttle linkage is at idle position. Make an adjustment to the valve clearance on the intake valves for cylinders 1, 2 and 4. When jakes are “on”, the switch beside doesn’t seem to change, whether it’s, “up” or “down”. Find many great new & used options and get the best deals for Caterpillar 3406b C346B Jake Brake Kit Jacobs at the best online prices at eBay! Free shipping for many products! simple tutorial for operation of Jacob brake or exhaust brake for 3406B CAT engine Aug 18, 2011 · 2005 250 Super Duty Crew. Ona 1989 peterbilt tractor 3406 mechanical engine jake brake at idle dont turn truck off u think it needs an adjustment Cat Man I am ASE Master Truck Certified. Cat 3406b Jake Brake Wiring Diagram. Feb 7, 2016 · A. Jakes are working but,. It finally will quit on it's own. Remove accessory equipment to gain access to rocker lever covers and remove covers. 1. 025 ± 0. Also on this engine there is not a timing pin hole in flywheel housing to l … read more Dec 11, 2010 · I've read the jake comparison info from thread on 4-10. Jake Brake Troubleshooting. I have my jake Brake book, only talks about problems with the Jake Brake not working. Tighten to 22 N·m (16 lb ft) (9) Adjusting screw (rocker arm). Nov 8, 2010 · We've got a 92 Ford 9000 tandem dump truck with a 3406b cat in it. The brake switch appears to work from your description, next check the clutch switch that is prolly under the cab , near where the clutch pedal goes thru the floor with the pedal up both micro switches should be closed (power on both terminals) (I don't know for a fact that the cruise switch is beside the jake switch May 3, 2007 · cat 3406 injection pump. Customer: I have a cat 3406b and the jake brakes are not working they are getting 12v from the switch and the actuators are moving when powered but the jakes are not working any ideas Answered by Cat Man in 28 mins 9 years ago Jul 31, 2013 · The "base fuel" you speak of is simply determined by how much of an adjustment there is on the "low idle" screw or the jake brake switch depending on how the pump is equiped as the two are one in the same. Location: Louisville KY (800) Ona 1989 peterbilt tractor 3406 mechanical engine jake brake at idle dont turn truck off u think it needs an adjustment Cat Man I am ASE Master Truck Certified. exhaust brake transfer flow 50 gal tank tool, 30K Cody goose neck hitch OEM #: 005602 ENGINE PARTS (GOOD USED) Caterpillar 3406C Engine Jake Brake Housing OEM 005602 For Sale, Part # 005602, Other Part # 8A13, MOD C346, Stock # 6011 | Tested & Inspected! May 5, 2016 · To activate the cruise again, such as at the bottom of the hill, momentarily touch the accelerator pedal to deactivate the Jake, or switch off the Jake brake momentarily, in order to resume the cruise control to its on position at its previously set set-speed. Does the service brake status change? Yes; Go to step 5. - How. Lift off the engine brake spacers (5). On engines with a jake the have to put the Jake switch In place of the low idle screw. however, ever since my Oct 10, 2021 · Between Omaha and Des Moines, 7 miles South of I80: Yes, for that situation, you would have to Shut OFF the main Jake toggle switch. These include the wiring harness, starter solenoid, alternator, battery, and the fuel injection system. :thanks: Sammy Sep 10, 2023 · Probably you will want to pull a valve cover and "read the Jake model number" on the Jake housing itself; to make sure you get the correct kit. Pac Brakes are all . (8) Add oil if necessary. 19 Inch Length * Connector Type 2 Blade Terminal * Hex Size 0. It cranks but doesn't even try to start. Brake circuit shouldn't cut out Jakes. The nice part is that the Blue Ox keeps things super simple. Blue Ox Exhaust Brake. If you are having a problem with the jake not working. For the correct clearance see the Subject, Jake Brake Adjustment in Testing And Adjusting. Easily find what you need from 2,294,554 parts available. I also am having trouble w/ my 349a jake on my 3406c. You can turn it in or out to adjust low idle. Customer: 1996 3406 cat need jake brake adjustment spec and feeler gauge size. How Does An Engine Brake Work And How To Troubleshoot Them. Screw the stripped ends of the wires onto the respective terminals. As far as the jakes go I have not messed with them but will soon. 1 TDC Intake 1,2,4 Intake - . So my question is what is likely to be problem? Is it just that valves needed adjusting or is it gonna be way worse than that? Also whats the best way to go about fixing it? Serial # for cat 3406b is 7XCO3316. Capture date : 01/01/ 1970. Turn the Paclash adjusting screw down until a slight drag is felt on the feeler gauge and torque the lock-nut to 25 lb. It's the Jake switch with two wires. RE: Pete 379 and 3406B jake brake not working - D&M Farms: 2/3/2022 08:33. youtube. I am happy to assist. Bottom half shoes the wiring for the jake switch and the disconnected wire. Any suggestions would be great. I leave the Jake brake switch on its "big Jake" setting most of the time. :thanks: Sammy Dec 3, 2006 · My friend has a C15 CAT and says the Jake engages properly, but is late to disengage. Jun 16, 2012 · the service brake switch is used with jakes and cruise. FSC Speed Shophttps://www. Someone wired a switch onto the shifter to operate the jake. Adjustment No. The ball in it makes contact between the pins to complete the circuit. Aug 31, 2010 · 2. A simple brake reline will cost you many times more than an engine brake tune-up kit. 7. (basically, you are trying to "level" the bridge, across the two valves, and not sideload the bridge dowel). If the vehicle speed increases to about 4 or 5 mph over the cruise control setting and the Jake switch is on high, then the Jake goes to high. Apr 6, 2024 · Adjusting the overhead on a 3406B 7FB Caterpillar. The actuator arm should be deflected 1. Lift off the engine brake housings (4) and place them on a clean work surface. a couple months ago it was an issue that the oil level in the pan kept rising, so I removed valve covers, I removed jake brake heads and all injectors, replaced all O-rings and reassembled. nuts) Injector 46 lb Cam Side: 3406 E Valve Adjustment No. There's either a switch on the dashboard or a stalk on the steering column to activate the engine brake and then to actually use it you just let off the throttle. Customer: I just purchased a 1990 Peterbilt with a 3406B engine. Turn the buffer switch in until it contacts the Feb 3, 2022 · Pete 379 and 3406B jake brake not working - D&M Farms: 2/3/2022 07:06. CCV re-route, and 4" Magnaflow turbo back. The casting number is 00-021416-E. 2003 Pete EXHD. 028 I think, mine are, but I’m pretty sure all 3 Jacobs models are different. 08 mm (0. Jan 31, 2012 · Jake Brake bridges are getting hard to find for a 71 series that are with in spec a new set of bridges if you can find a set will cost a 1000 bucks just for the bridges you cannot redo the slot on a bridge and that is where you get the most wear,if you do piece a set together use the 71/92A housing don't waste your money on the old 71 Jake housing. (8) Adjusting screw locknut. net3406b jake parts brake 3406b cat injection pump diagramCat 3406b jake/engine brake oem# c-346b in crandall, tx #33856. Jun 11, 2016 · The throttle cut out switch is on the very back of the fuel pump its alittle black box with 2 wires going to it you adjust in or out to complete the circuit for your jake brake when the foot throttle is depressed. You can adjust the strength by, in the case of a compression brake, adjusting how many cylinders the system acts on, usually the settings are for 2, 4, or all 6 cylinders. Information in this manual was current at the time of printing and is subject to change without notice or liability. Install this switch with the switch actuator arm in contact with the clutch pedal arm or other clutch member. SERIAL # 3ZJ45547 Specs on adjusting rocker arms on a LTA10 08/89 with a jake brake and external dampner!!And Posted 10/15/2014 19:22 (#4128565) Subject: question about cat 3406B valve adj and jake brake central Ontario I just had the two pushrods come out of place and one bent badly on number two cylinder so if anyone has an idea why this would of happened or what else I should do other than replace them and adjust the valve clearance go ahead. RE: Pete 379 and 3406B jake brake not working - bigmoe: 2/3/2022 07:27. Disconnect electrical connections at the spacer. Apr 16, 2009 · 3406 E Torque Specs Mains 200 lb. CAT Jacobs Part Name 1 149-6111 018280 Oil pressure test kit 2 134-2837 018238 Slave piston removal tool A jake micro switch is used to control the jake operation. This is set up this way so that while driving when the driver removes his foot, the jakes come on. 0 - 1. Mar 29, 2022 · That’s enough to affect brake performance. Find the essential parts you need for your truck you can count on at 4 State Trucks! * High Quality Brake Fuel Pump * 3. Install the Jacobs washer and the 3/8" capscrew through the housing and into the support Jun 30, 2017 · Probably need to take that back Jake off and apart and see if I missed something. I did also I notice with the front Jake brake solenoid activated a lot of oil came out where the slave cylinder pushes in at the front one number one cylinder but number two didn't have a lot of oil coming out of it the back one also did the same thing but to no effect. 9n572 Brakesaver Control Group Automatic 1s3998 And 5d3056 Valve Parts Are Shown On Pages 57 58 An Attachment 3406 Avspare Com. I have already done the valves. {Note: the longer, skinnier 3406B/C pushrods, were the "weak link" and Jacobs couldn't design anything that allowed too much stress on those longer pushrods, thus the "Braking HP" was limited} Dirks1505 – Jake Brake CAT Fuel Pump Mounted Cancel Switch, 3406 B, Normally Open $ 125. 7c0038 switch gp-jake brake 3406b truck engine 7c-0038: switch gp caterpillar sis online 3406b truck engine - all except ford,paccar & freightliner 4mg00001-03599 sebp1450 Oct 13, 2014 · Jake Brake vs. 030 No. Aug 14, 2018 · Posted 8/15/2018 20:00 (#6931467 - in reply to #6931438) Subject: RE: Cat 3406 Jake Brake Between Omaha and Des Moines, 7 miles South of I80 That installation manual (I posted a link to, earlier ) mentioned the serial number prefix "92U" which is the last 3406A model serial number prefix, for a truck engine. Step 3: Install the Jake Brake Switch. My KW with a 3406E had the fan switch on automatically with the Jakes. It used to idle at about 550 or 600rpm. 030 ± 0. Might be the problem. 2. Buffer Switch Adjustment Buffer Switch - Detroit Diesel FIG. The Model 349A is NOT to be installed on 3406B engines with serial numbers lower than 7FB39279 Feb 4, 2012 · 1988 ford van fresh overhaul, 1991 nissan pick-up 1993 Caprice 2000 GMC S10 Blaser 2007 nbs 3500 GMC 4x4 crew-cab long box 17 inch single wheels Duramax Alison. This can be simpla as a bad sender or a bad connection to the sender so with it running and hot start the pull wire test at the sender connections and thru the bulk head inton the shut down moduel. I've changed these out numerous times and have never encountered this. I’ve had expectation problems with brakes on Cats too. Mar 22, 2016 · Not a lot of help, but some, and like you said, it does add to the noise level. The Cat 3406b Jake Brake Wiring Diagram is composed of several components. C. Since it works okay in other settings, I would think that the brake and clutch switches are all functioning fine. 4. Turn the buffer switch in until it contacts the Jul 7, 2023 · p02183 switch lever p02186 nut – 1/4" hex nf p02190 flat washer – 1/4" p02411 o-ring p01244 superseped to p0124 - machine screw 6 - 32 x 1 rh p02957 toggle switch – 1 / 2 / 3 p02970 toggle switch assembly p03586 toggle switch hi / low / off p03776 toggle switch assembly p03777 switch plate – hi / low / off p03790 capscrew – 1/4-20 x 3/8 Ona 1989 peterbilt tractor 3406 mechanical engine jake brake at idle dont turn truck off u think it needs an adjustment Cat Man I am ASE Master Truck Certified. It was smoking a lot of white smoke and missing and way down on power. it opens the contacts to break the circuit when you release the foot feed peddle Feb 20, 2021 · tutorial for complete overhead parts installing with intake & exhaust valve adjustment and Jacob brake adjustment. The truck started right up with no smoke. INDICATOR MADE IN THE USA Monaco Tool Company manufacture tools […] Ona 1989 peterbilt tractor 3406 mechanical engine jake brake at idle dont turn truck off u think it needs an adjustment Cat Man I am ASE Master Truck Certified. The engine brake has no damages. It use to work really well? i suspiciously that you adjust it bad one of the questions that has Jacob is if you have a ABS or not (i dont know why )but the 349 has a trick all hp are adjusted 0. )-Repair as necessary. It sounds like the jake brakes may be sticking a little bit when in the high setting. 8. The jake brake has been acting up a little lately. 69 Inch Ignition Switch ; Interior Mirror ; Interior Sun Visor USED - Cat 3406B rear jake brake, C346B model, P/N 013173. 100",:bang Oct 10, 2013 · I have a 2006 international with a C15 cat engine in it. I have a 1986 cat 3406b with jacobs jake brake model c346b. The Cat 3406b engine is a versatile and reliable engine used in a variety of applications, including heavy-duty trucks. Oct 15, 2014 · To properly adjust a CAT 3406B valve bridge, the setting is an additional 1/12th of a turn from initial contact. Whenever the Jake brake is activated for more than a few seconds (slowing for a turn) and then upon accelerating the engines misses quite bad like maybe 2 cylinders are not firing for a few seconds. Jun 5, 2013 · If you got power to pin#1 and ground to pin#4 on your module with ignition on, then make sure pin#2 gets a hit from the starter switch. The Jake Brake solenoid plays a crucial role in engine braking systems, Mar 18, 2016 · Also the general engine condition: low compression and valve lash adjustment can affect braking performance also. 003 inch Cat 3406b Jake/Engine Brake on HeavyTruckParts. I used to have to drop at lease one gear going down from what I pulled up in, occasionally two. Thoroughly clean engine. (See Table 2 for stud configurations). The brake housing will rest on the support tubes and rocker shaft. + 90 degrees Head 350 lb Jakes (80 lb. I do agree that the ISX Jakes work better than the Cat, though my Cat has not had an adjustment in years, and I am sure that would help. White and Grey. Looking to buy a truck to pull a lowboy and found some with 3406e engine rated at 355hp but no engine brakes. See the topic, Jake Brake Adjustment, in the Testing and Adjusting section of this manual. Customer: I changed the Jake brake switch on the back of the pump on my 3406b. (neg grnd) 1 5 001558 Screw-Binder Head 2 6 001559 Washer-Lock 3 7 001512 Tab - Quick Disconnect 2 8 006796 Bracket-Switch Mount 1 9 018188 Switch 1 10 001534 Diode 1 11 001180 Cover - Switch 1 12 001244 Screw - Tapping 2 NI 003708 Tube - Shrink 2 NI 002014 Receptacle 2 NI 003881 Harness 2 Jan 1, 2024 · Main Components of the Cat 3406b Jake Brake Wiring Diagram. See the topic, Valve Clearance Setting, in the Testing and Adjusting cat 3406b rear jake brake, c346b model, p/n 013173: cat 3406b engine brake assembly, c346c model, front brake p/n 17271, rear brake p/n 17272, includes engine brakes, bolts, rockers, spacers, valve bridges: cat 3406b jake brake assembly, model c346b, includes jakes, jake spacers, towers, bolts, rocker arm assy, exhaust valve bridges, for jake Cat 3406C cold start and then rebuilding a set of 340B Jake brake compression brakes. hook a 12v test light to one of the wires at the jake head spacer, with the engine off, key on and jake switch on hi Oct 10, 2021 · One thing you should be aware of, is that a 3406B or 3406C jake brake (using long valve train pushrods) isn't as "strong" as a 3406E, C-15, C15 style jake brakes, that uses the unit injector rocker arm. Sold by: River City Truck Parts Inc. Oct 19, 2011 · When you say the engine shut off light and buzzer comes on means that the shut down system is seeing hi coolant temp or low oil pressure. engine brake (front) engine brake (rear) brakesaver power 462 463 cruise - resume 466 468 warning beeper engine brake enable 552 554 j1922 data link (-) cruise - set 464 465 service brake switch clutch switch 551 j1922 data link (+) 557 fused unswitched power 304 main accessory power 239 (-) ground a508 pto validation signal 522 engine fan Buffer Switch Adjustment Buffer Switch - Detroit Diesel FIG. {346; 346B. CATERPILLAR 3406B Jake/Engine Brake. remove bridges, for those two cylinders, across those exhaust valves. Apr 27, 2010 · Going on 3 years now with zero problems. how to adjust intake & exhaust valve and Jacob brake adjustment more. Until the Pac Brake for the 3406B showed up a brake on a Cat did you about as much good as sticking your hat out the window. 3406B cat and Jake brake sound. Detroit 6V92TA Engine, 330 Adv Horsepower, Eaton Fuller 8 Speed Manual Cat 3406B, 435 Adv Horsepower, Engine Brake, Eaton Fuller RTLO16610B. Start the engine and allow to warm up. Edited by 4WD 10/1/2018 17:12 Jake Brake 340: 435 hp or more : 0. It's designed to not allow the jakes to come on if you are on the throttle. Re-check the clearance. To test you can ohm it with a meter. have also seen no cruise and Jake conditions on cat before with failing alternators, ie running at 9-10 volts, which would lead me to think a poor/ intermittent power connection could cause the same symptoms. 143-6712 switch gp-engine brake fuel pump (external) field installation 3406b truck engine 143-6712: switch gp-engine brake caterpillar sis online 3406c truck engine 3zj60113-up sebp2380 Aug 14, 2012 · The sensor with the 2 wires is the jake brake shut off switch the solenoid above it is the shut off valve and above it is the AFRC, which is where you can control the amount of smoke it dumps out. p02183 switch lever p02186 nut – 1/4" hex nf p02190 flat washer – 1/4" p02411 o-ring p01244 superseped to p0124 - machine screw 6 - 32 x 1 rh p02957 toggle switch – 1 / 2 / 3 p02970 toggle switch assembly p03586 toggle switch hi / low / off p03776 toggle switch assembly p03777 switch plate – hi / low / off p03790 capscrew – 1/4-20 x 3/8 do not use model c-346 or model c-346a on 3406b engines. This Caterpillar 3406 & 3406B Engines service repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. ~BRAKE The Model 349A Jake Brake® engine retarder is designed and approved for use on Caterpillar® 3406B and 3406C ATAAC (Air-to-air after-cooled) engines with PEEC® or mechanical fuel controls. Adjust the switch by moving the switch along the mounting bracket. I was just wondering what info yall may have on the oil pressure fluctuations. complete tutorial for 3406B CAT engine. the engine wll run without a vehicle speed sensor you would need the go into the ecm and change the speed sensor to 2120 so you wont be limited Find many great new & used options and get the best deals for OEM CAT Caterpillar Jake Brake Switch 148-7499 - at the best online prices at eBay! Free shipping for many products! Apr 7, 2024 · Cat 3406b jake brake wiring diagramCat 3406b jake brake front 013172 cat 3406b 013172 for sale Cat 3406b jake/engine brake in hudson, co #182770Brake jake diagram wiring engine cat switch 3406b work does kenworth troubleshoot them working sensor off troubleshooting low sponsored links. Access Engine Brake 1. brakesaver group 3406c diesel truck engine. Make an adjustment to the valve clearance on the exhaust valves for cylinders 1, 3, and 5. lbs. I did take and connect the mystery wire to the bottom tab on the clutch switch and that brought the jake back to life BUT if I leave the switch on the jake will still fire at idle but not under load. The micro switch is opened closed by a rod (which goes through the center of the buffer srcew) that is controled by the governor, so when the throttle is opened up the micro switch is opened and the jakes are off. 100" cyl 2-6 0. ft. Brakes Feb 16, 2010 · Hey Guys, The ansewer to this question may be obvious to some but I have no experience with 3406E (electronic)engines. 015 Exhaust 1,3,5 Exhaust - . 5 days ago · Please give me the run down on why the adjustment of the Jake brake is odd to me on these cm2250s/871s/cm2350s? Ive watched rawze video on the injector swap, and he ran thru the overhead, (the overhead makes sense to me) but the jakes on how you have a toleance of +/- such a min/max is odd, especially coming from a series 60 were you adjust the Jun 21, 2017 · Road testing with ET would be best, clutch circuit is the most likely suspect. Check out BSI's site. 68 ± 0. Thanks again for the info. OEM Monaco 10150 Caterpillar Jacobs Model 349A Trigger Adjustment Kit Trigger Adjustment Kit for Jacobs Brake, Model 349A The model 349A Jake Brake engine retarder is designed and approved for use on Caterpillar 3406B and 3406C ATAAC engines with PEEC or mechanical fuel controls. NOTE: BE SURE MASTER PISTON PUSH ROD IS SEATED IN THE POCKET OF THE INJECTOR 143-6652 020280 Switch Group 1 143-6632 019915 ON/OFF switch, gold contacts 1 2 143-6633 019916 3-position switch, gold contacts 1 NI 143-6648 020244 Harness group 1 NI 020357 Wiring instructions 1 NI = Not Illustrated Part Number Ill. I hope you're doing well today. It works like a reverse light switch. Jacobs Service letters should be consulted for additional applications and updated information. 4 l. You should be able to loosen the lock nut on the switch and turn it in and out to adjust the idle speed to whatever RPM you want the engine to idle at. 003 inch) 1LW1-UP 6NZ1-UP 7CZ1-UP Jake Brake 340D : All ratings : 0. $500. The engine brake has been visually inspected and is in good condition. 76 ± 0. All bolt holes are clean and clear from all obstructions. When using the switch on the dash rather than the lever, you will get full pressure (whatever the regulator is set at, and it is adjustable) all the time. I have never wrenched on a CAT, just Detroits. 30 seconds, then drop out the power to shutdown relay. 5. I drove a truck with 3406B mechanical (425hp) and a 13 speed back in the early 90's, same jake as on yours but the newest version for that engine. The only thing is that it is idling a little over 900rpm. Loosen the lock nuts (1) and back off the slave piston adjusting screws (2) until the slave pistons bottom in the engine brake housing. Oct 1, 2018 · C: Engine Brake dash switch (or gear lever switch) must be ON. Thanks for using JA! I will try and help you out. Record the idle RPM and maximum no load RPM. For a comprehensive test, consult the manufacturer’s manual or a professional mechanic. 003 inch) CJP1-UP MDP1-UP MEP1-UP W1A1-UP Jake Brake 340C: All ratings : 1. I am ASE Master Truck Certified. Remove engine brake housing capscrew (4), nut (6), and This 9-volume service manual set contains complete specifications, systems operation information, disassembly and assembly procedures, testing and adjusting instructions and troubleshooting steps for Cat 3406B 4MG, 7FB and 5KJ diesel engines. egniabp icub tcfo ldfmu seygtby rhigs omrnz wwsikh yhiaeozps pbfmeu