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manually resetting Jacob brake#MachineHeal.

4. 1. Mar 29, 2022. 0. I have a Cat 3406e (Serial# 5EK61336) that has a weak engine brake. I just had an overhead done, installed 3 new solenoids, installed new wiring harness for injectors and engine brakes. The truck makes the noise in all 3 switch positions, but engine brake is still very weak. The manifold pressure while engaged going down ...Brake™ functions basically in the same manner for vehicles with manual transmissions. The engine brake is activated when you move your foot off the throttle, and deactivated when you apply pressure to the throttle. A pressure-sensing switch (or the electronic engine controls) will deactivate the Jacobs Engine Brake when the engine speed falls ... tutorial for complete overhead parts installing with intake & exhaust valve adjustment and Jacob brake adjustment.#3406BCAT#3406B#Machinehealer.TecBrake T346A Engine Brake may be installed on Caterpillar model 3406, 3406B and 3406C series engine. Engine Brake is designed as a device for slowing a vehicle, not stopping it. An optional shim and washer kit (part no. TJ013677) is required on all engines with a serial number lower than 7FB39279, or with a 92U prefix.Hey Guys, The ansewer to this question may be obvious to some but I have no experience with 3406E (electronic)engines. Looking to buy a truck to pull a lowboy and found some with 3406e engine rated at 355hp but no engine brakes. My question is does the computer (box) comes with the additional wires,leads, pins or whatever to allow …Alternately tighten the rocker shaft capscrews to [115 ft-lb] put the jake housing on torque and adjust to the spec on the tag on the housing of the jake brake. Always adjust the brake when the crossover is loose on the cylinder, Might have to rotate the engine twice. Adjust the valves the way i told you .Created Date: 6/9/2010 1:31:40 PMAdvertisement ­ ­The dru­m brake may look complicated, and it can be pretty intimidating when you open one up. Let's break it down and explain what each piece does. Like the disc brake, the drum brake has two brake shoes and a piston. But t...Service, Parts, & Support. Here you will find all of the information to service or install your Genuine Jake Brake®: parts and service literature, part number cross-reference, tune-up kit and solenoid lookup, where to purchase parts, and more. Please select an option below to be taken to the search page: Here you will find all of the ...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, VALVE BRIDGESPosted 1/22/2013 15:34 (#2841294 - in reply to #2841273) Subject: RE: adding Jake brake. Between Omaha and Des Moines, 7 miles South of I80. Jacobs Brake can be added. The wires; FOR the engine, will already be under the valve cover (tied to the injector wire loom) You will probably have to buy a kit to get the necassary pieces; but …Browse Caterpillar 3406 Engine Brakes / Jake Brakes For Sale near you on MyLittleSalesman.com. Find the best priced used Caterpillar 3406 Engine Brakes / Jake Brakes by owners and dealers.Subject: RE: Cat 3406C jake brake issue. Crivitz, WI. I believe the problem is in the head. The bridge depths were the same. Unfortunately, the height of the valves are different. I tried using a dial indicator but had more consistent readings using the dial calipers. #4 cyl reads 3.150. #5 cyl reads 3.166.Brake™ functions basically in the same manner for vehicles with manual transmissions. The engine brake is activated when you move your foot off the throttle, and deactivated when you apply pressure to the throttle. A pressure-sensing switch (or the electronic engine controls) will deactivate the Jacobs Engine Brake when the engine speed falls ...the engine brake begins to operate. Normal oil evacuating from the control valve covers should be free of air bubbles before replacing the valve covers. This permits oil to fill brake housing passages and readies the brake for operation. 4. Position valve covers on spacer and install capscrews. Torque to 13 lb.-ft. (18 Nm). 5. Make safety a priority while saving time and money. A simple brake reline will cost you many times more than an engine brake tune-up kit. 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. Substantial cost savings with Pacbrake’s brand of Jake® engine brake tune-up kits. I need the torque specs & overhead adjustment procedure for a 2004 year C 13 Acert Cat. We're doing an inframe. We are a diesel repair shop but don't have access to Cat information. ... c 15 cat acert ser no BXS24854 with 340E jake brake,would like to find torque & lash for intake actuators ...3406B 4GM68634, Has Pac brake and Brake Saver I need valve adjustment, injector, and pac brake adjustment with Torque specs. ... Can you give me a step by step instruction for adjusting the valve train on my cat 3406B 425 hp with Jake brake. 3ZJ prefix.1,338 satisfied customers. I found the torque specs you posted for 3406E but it is for. I found the torque specs you posted for 3406E but it is for a 435hp. Do you have same specs for a 475HP. We have the serial number 2ws35467. … read more.Copyright © 2009-2023 FASTER Asset Solutions. All rights reserved. License AgreementAfter each adjustment, tighten the locknut for the valve adjustment screw to a torque of 35 N·m (25 lb ft) and recheck the slave piston lash adjustment. ... Hi, I have a 1999 Peterblit Model 379 with a 3406E CAT engine. The jake brakes quit working,when the truck is running and I turn the jake on and off switch to the on position it causes the ...Model C346B standard engine brakes use a 3-point mounting system. C346B engine brakes with the optional B+ upgrade kit (P/N 156-5168) use a 4-point mounting system. 1. Page 7 JAKE BRAKE RETARDERS FOR CATERPILLAR ENGINES CURRENT APPLICATIONS. Engine Model. All. 0.025" 149-6114. N/A. N/A. 143-6626. C317 C317A …Since your clutch was just adjusted that clutch switch could very well be out of adjustment 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.. it opens the contacts to break the ...How to Use this Guide Caterpillar Form Number: RENR2327-00 Begin by obtaining engine and vehicle information. This is the first step to selecting brake kits or components. The more information you start with, the less you’ll need to go back to the customer. Gather the following information about the engine and vehicle. Engine modelAfter each adjustment, tighten the nut for valve adjustment screw to 30 ± 4 N·m (22 ± 3 lb ft), and check the adjustment again. 4. Remove the timing bolt and turn the flywheel 360° in the direction of engine rotation. This will put No. 6 piston at top center (TC) on the compression stroke.3406"A" block pumps had a jake switch opening that contacted the fuel rack, so if set correctly the rack moved further closed than idle when in deceleration cycle and activated the jake, at idle the rack moved back to a give enough fuel to idle and the jakes didn't stay on, but these were really fussy to set, I don't know if a B/C pump can be ...Posted 1/22/2013 15:34 (#2841294 - in reply to #2841273) Subject: RE: adding Jake brake. Between Omaha and Des Moines, 7 miles South of I80. Jacobs Brake can be added. The wires; FOR the engine, will already be under the valve cover (tied to the injector wire loom) You will probably have to buy a kit to get the necassary pieces; but …Cat 3126 Jake brake Heavy Equipment Forums. TecBrake. Caterpillar Forum jake brake adjustment 3306 on 2008 12 28. exhaust brake PLUS Jake brake 3406 Heavy Equipment Forums. Truck equipment post 26 27 2015 by 1ClickAway Issuu. Service Manual 3406 Cat Engine Jake Brake. How do you adjust a 340D Jake Brake on a C15 CAT …~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. The Model 349A replaces the former Model 349.Aug 31, 2010 · 2. Make an adjustment to the valve clearance on the intake valves for cylinders 1, 2 and 4. Make an adjustment to the valve clearance on the exhaust valves for cylinders 1, 3, and 5. Valve Adjustment 3. After each adjustment, tighten the nut for valve adjustment screw to 30 ± 4 N·m (22 ± 3 lb ft), and check the adjustment again. 4. The adjustment specifications for Cat 3406B Jake Brakes are important to …Jake Brake Compression Brakes. 0.94 ± 0.08 mm (0.037 ± 0.003 inch) Loosen adjustment locknut (1) and back out the adjusting screw until the slave piston is not in contact with the exhaust valve rocker arm. Insert the appropriate feeler gauge between the foot of the slave piston (2) and the rocker arm (3).After each adjustment, tighten valve adjustment locknut (3) while valve adjustment screw (4) is being held from turning. Tighten to a torque of 30 ± 7 N·m (22 ± 5 lb ft). Recheck each adjustment. c. 5. Make an adjustment to the valve lash on the exhaust valves for cylinders 1, 3, and 5. a. Loosen valve adjustment locknut (1) .3406B jake brakes. Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by mile marker 27, Jul 29, 2022 . 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.Determine whether the vehicle has ABS or not Determine the vehicle electrical system - 12 or 24 volt system, engine or isolated ground (isolated ground systems require dual-lead controls). If the vehicle already has an engine brake model installed, determine the engine brake model to determine proper parts and service information.~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. The Model 349A replaces the former Model 349.1.YMake an adjustment to the valve lash on the inlet. valves for cylinders 1, 2, and 4. 1.YLoosen valve adjustment locknut (3) . 2.Y lace the appropriate feeler gauge (5) between. the inlet rocker arm and the inlet valve bridge. Turn inlet adjustment screw (4) while valve. adjustment locknut (3) is being held from.3406B/C 346A/B/C/D Tune up Kit P34601 14087 143-6479 CUMMINS MODEL JAKE BRAKE OFFERING PAC PART # JAKE PART # ENGINE PART # L10 404/B/BG/D Tune up Kit P19848 19848, 20131 3871540, 3871580, 3871586 M11 411 Tune up Kit P19848 19848 3871580 ISM 411C Tune up Kit P19848 19848 3871580 N-14 440/A, 450A/B Tune up Kit P20923 20923 3871568Nov 23, 2009 · 3533 posts · Joined 2009. #2 · Nov 23, 2009. the studs were upgraded and should have a 9 stamp on the top they go in just finger tight in a dry hole and first 40 then80 lbs on the nuts, on both rockers and Jakes then finger tight on the 3/8 nut up to the bottom of the jake head then 35. Hope this helps. 1988 ford van fresh overhaul, 1991 ... Working on a 3406b cat looking for headbolt torque ,rocker arm torque and injector hold down torque, and where i might - Answered by a verified Technician ... & jake brake bolts on a 2003 cat c-15 ... I need the torque specs & overhead adjustment procedure for a 2005 year C 13 Cat. We're replacing the cylinder head.Oct 10, 2011 · Jake Brake Compression Brake Adjustment Illustration 1 g00596577 Typical configuration for Jake Brake engine compression brake (1) Adjustment screw for the slave piston (2) Slave piston (3) Rocker arm NOTICE Prior to adjusting the lash setting for the engine compression brake, check the identification plate that is on the compression brake casting Oct 10, 2011 · Jake Brake Compression Brake Adjustment Illustration 1 g00596577 Typical configuration for Jake Brake engine compression brake (1) Adjustment screw for the slave piston (2) Slave piston (3) Rocker arm NOTICE Prior to adjusting the lash setting for the engine compression brake, check the identification plate that is on the compression brake casting Jan 22, 2021 · Tighten the adjustment screw to an additional 2 turns. Turn the adjustment screw counterclockwise for 2.5 turns. What’s the difference between a Jake Brake and exhaust brake? The main difference between the two is in how they operate. A Jake brake creates braking force by releasing the compressed air inside the cylinders. Then, turn the adjustment screw in a clockwise direction. Slide the feeler gauge between the rocker arm and the valve bridge. Continue turning the adjustment screw until a slight drag is felt on the feeler gauge. Remove the feeler gauge. Tighten the adjustment locknut to a torque of 30 ± 7 N·m (22 ± 5 lb ft).I need the torque specs & overhead adjustment procedure for a 2004 year C 13 Acert Cat. We're doing an inframe. ... Cat man nee some info this time C12 yhb98380 injector hold down torque rocker arm stand and jake brake torque values. and over head adj specs thank you ... working on a 3406b cat looking for headbolt torque ,rocker arm …Apr 17, 2010 · The dimension is measured from the top of the unit injector lifter to the machined ledge of the fuel injector body. Hold the adjusting screw in this position and tighten the locknut (3) to a torque of 100 ± 10 N·m (74 ± 7 lb ft). Make an adjustment to the unit injectors on cylinders 3, 5, and 6. Remove the timing bolt. Jun 22, 2014 #1 rank Road Train Member 9,864 112,463 Feb 11, 2010 50 miles north of Rochester, NY 0 I have a 1986 3406B in a 359 Pete. The jakes are coming on at idle. My mechanic showed me a little black plastic box that screws into the fuel pump. It has two wires going to it.How to Use this Guide Caterpillar Form Number: RENR2327-00 Begin by obtaining engine and vehicle information. This is the first step to selecting brake kits or components. The more information you start with, the less you’ll need to go back to the customer. Gather the following information about the engine and vehicle. Engine model Make safety a priority while saving time and mCOMPLETE YOUR OVERHAUL With a Genuine JAKE BRAENGINE BRAKE BASE KIT 94N14 - 450B 12 VOLT S / L (Che

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wtb: Set of 3-bolt 3406b cat jake brakes Discussion in ' Trucker Fo.

I was doing a valve adjustment and I notice my jake brakes plugs was coming apart so I bought all new plugs from cat and install them so now I have an engine light o ... I have a 1986 cat 3406b with jacobs jake brakes model c346b. how do i …Jun 30, 2017 · 3406E Jake Brake. Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Newguy333, Mar 5, 2018 . 3406e Caterpillar engine rear Jake brake does not change when activated manually. Front Jake brake operates normally. middle Jake brake pops/sounds whimpy. Any advice would be welcomed. (GOOD USED) Caterpillar 3406E Engine Jake Brakes For Sale, Model 340A Jake Brake, Part# 019948 HSG. (12 VDC) Jacobs Engine Brake 019948, (SET OF 3) Fits Cat 3406E 14.6L, Stock #2598 Parts...They are a Jake part number (should be able to buy at CAT dealer ), they are necessary for the jake master cylinder to touch the top of the head of the "hex head". Don't hook up the wire to that jake solenoid, until that is changed to correct part. To properly adjust a CAT 3406B valve bridge, the setting is an additional 1/12th of a turn from ...They are a Jake part number (should be able to buy at CAT dealer ), they are necessary for the jake master cylinder to touch the top of the head of the "hex head". Don't hook up the wire to that jake solenoid, until that is changed to correct part. To properly adjust a CAT 3406B valve bridge, the setting is an additional 1/12th of a turn from ...~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. The Model 349A replaces the former Model 349.Cat 3406B JAke adjustment... Discussion in 'Trucks [ Eighteen Wheelers ]' started by rank, Jun 22, 2014. Page 2 of 3 < Prev 1 2 3 Next > Jun 23, 2014 #11 ...Wayne. Journeyman. Vocational, Technical or Tra... 5,816 satisfied customers. 3406B 4GM68634, Has Pac brake and Brake Saver I need valve. 3406B 4GM68634, Has Pac brake and Brake Saver I need valve adjustment, injector, and pac brake adjustment with Torque specs. Also on this … read more.Dec 17, 2021 · Cat 3406C cold start and then rebuilding a set of 340B Jake brake compression brakes.0:00 Cold Start1:30 Removing Jake Housings3:50 Disassembly14:08 Cleaning... simple tutorial for operation of Jacob brake or exhaust brake for 3406B CAT enginewtb: Set of 3-bolt 3406b cat jake brakes Discussion in ' Trucker Forum Classifieds & Trading Post ' started by flc120 , Aug 21, 2012 . Page 1 of 2 1 2 Next >Dec 26, 2010 · After each adjustment, tighten valve adjustment locknut (3) while valve adjustment screw (4) is being held from turning. Tighten to a torque of 30 ± 7 N·m (22 ± 5 lb ft). Recheck each adjustment. c. 5. Make an adjustment to the valve lash on the exhaust valves for cylinders 1, 3, and 5. a. Loosen valve adjustment locknut (1) . You can run the overhead, on your Caterpillar 3176 diesel engine with a Jake brake, by removing the Jake brake. Next, remove the valve cover. Adjust the overhead with the adjustment screws.COMPLETE YOUR OVERHAUL With a Genuine JAKE BRAKE® Tune-Up Kit DRIVE STRONGER, LONGER. RECOMMENDED PREVENTIVE MAINTENANCE ADD A JAKE BRAKE TUNE-UP KIT TO YOUR ENGINE OVERHAUL.Posted 1/22/2013 15:34 (#2841294 - in reply to #2841273) Subject: RE: adding Jake brake. Between Omaha and Des Moines, 7 miles South of I80. Jacobs Brake can be added. The wires; FOR the engine, will already be under the valve cover (tied to the injector wire loom) You will probably have to buy a kit to get the necassary pieces; but …I need the torque specs & overhead adjustment procedure for a 2004 year C 13 Acert Cat. We're doing an inframe. We are a diesel repair shop but don't have access to Cat information. ... c 15 cat acert ser no BXS24854 with 340E jake brake,would like to find torque & lash for intake actuators ...Alternately tighten the rocker shaft capscrews to [115 ft-lb] put the jake housing on torque and adjust to the spec on the tag on the housing of the jake brake. Always adjust the brake when the crossover is loose on the cylinder, Might have to rotate the engine twice. Adjust the valves the way i told you .Share 130K views 1 year ago Cat 3406C cold start and then rebuilding a …To select a new brake kit for a vehicle: 1. Turn to the CuEngine Model Engine S/N Prefix Brake Model En

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4. 1. Mar 29, 2022. 0. I have a Cat 3406e (Serial# 5EK61336) that has a weak engine brake. I just had an overhead done, installed 3 new solenoids, installed new wiring harness for injectors and engine brakes. The truck makes the noise in all 3 switch positions, but engine brake is still very weak. The manifold pressure while engaged going down ...Oct 10, 2011 · Jake Brake Compression Brakes Serial Number Prefixand Model Number (1) Horsepower Rating Slave Piston Lash Setting 2WS1-UP Jake Brake 340B 410 hp or less 0.94 ± 0.08 mm (0.037 ± 0.003 inch) 435-550 hp 0.84 ± 0.08 mm (0.033 ± 0.003 inch) 2WS1-UP Jake Brake 340C 410 hp or less 0.94 ± 0.08 mm (0.037 ± 0.003 inch) 435-550 hp 0.84 ± 0.08 mm ... With engine at #1 TDC, I installed the Jakes and set jake at .080" . I then did the exhaust at .024" and intake at .016". I followed the 1-5-3-6-2-4 firing order with the flywheel on the valve setting markes. ... It has to do with the cam being ground for the dynatard application this cam is used irreguardless if a jake brake is installed .I ...3406B 4GM68634, Has Pac brake and Brake Saver I need valve adjustment, injector, and pac brake adjustment with Torque specs. Also on this engine there is not a timing pin hole in flywheel housing to l … read moreWayne. Journeyman. Vocational, Technical or Tra... 5,816 satisfied customers. 3406B 4GM68634, Has Pac brake and Brake Saver I need valve. 3406B 4GM68634, Has Pac brake and Brake Saver I need valve adjustment, injector, and pac brake adjustment with Torque specs. Also on this … read more.Created Date: 1/20/2000 9:39:45 AM4.9K Share 130K views 1 year ago Cat 3406C cold start and then rebuilding a set of 340B Jake brake compression brakes. 0:00 Cold Start ...more ...more Cat 3406C cold start and then rebuilding...manually resetting Jacob brake#MachineHealerSee Jacobs Driver’s Manual for proper engine brake driver techniques. Contents Engine Preparation Adjustment Reference Point Mounting Stud installation Brake Housing Installation Housing Placement Valve and Injector Adjustments Slave Piston Lash Adjustment Housing Wiring Final Housing Installation and Test Chassis Wiring Final TestJun 22, 2014 #1 rank Road Train Member 9,864 112,463 Feb 11, 2010 50 miles north of Rochester, NY 0 I have a 1986 3406B in a 359 Pete. The jakes are coming on at idle. My mechanic showed me a little black plastic box that screws into the fuel pump. It has two wires going to it.1. Set front and rear Jake Brake housings on rocker shafts locating on retorqued studs. Ensure that master piston pushrods will engage with pocket located on top of injector rocker arm. 2. Lubricate each hold-down capscrew with clean engine oil prior to installation. 3. Install three M12x170 capscrews (25) on solenoid side of brake.The adjustment specifications for Cat 3406B Jake Brakes are important to …VALVE ADJUSTMENT AND JACOB BRAKE | 3406B CAT engine (Part 1)|Machine Healer Machine healer 8.48K subscribers Join Subscribe 784 31K views 2 years ago #3406B #Machinehealer tutorial for complete...2. Create a Short Between the Wires of the Suspect Compression Brake Solenoid at the Valve Cover Connector. In order to troubleshoot a 2533-5 or 1072-5 diagnostic code, use the “Compression Brake Low/High Override” on Cat ET. In order to troubleshoot a 2535-5 or 1073-5 diagnostic code, use the “Compression Brake Med/High …How to use idle jake brake: 1. Hold light horn button for 1 second and release (release in 1.5 seconds) 2. tap light horn button once again, and idle jake brake should be engaged. 3. Repeat the same process to turn off. Note: idle jake brake system will not work with some kind of interior sound mods. Download link:3406BPMC1FCAT Inframe Kit - Big Pin 3406 EA 1 1 3406SPMC1FCAT Inframe Kit - Small Pin 3406 EA 1 1 1807352MC1FCAT Inframe Kit - Cat 3406E EA 1 1 Table 2: Gaskets, Rings & Seals Part No. OEM No. Description UOM Qty. Per Engine SPQ MC1F7C2888CAT Inframe Overhaul Kit - 3406E 5EK EA 1 1 3406062MCBCAT Inframe Gasket Kit - Cat 3406B EA 1 1 & Caterpillar Engine Expert. Vocational, Technical or Tra... 3,777 satisfied customers. caterpiler c12: cat c12 heavy duty truck engine ser#1yn10851. cat c12 heavy duty truck engine ser#1yn10851 ar#137-5480 ineed info on howto and the specs for setting the valves and injectors with … read more. Cat Man.Note: The P-36 Engine Brake is designed to run and give maximum performance at 2100 RPM. BEFORE STARTING Identify the engine model. The P-36 Engine Brake is designed for 3406 applications. Examine the valve cover. An identification tag is attached to the valve cover showing all the necessary information. NOTE 1: Early 3406 Engines prior to Ser ... SledMan · #3 · Jan 25, 2010. truckdriver_mn said: Your Pete probably has a 349A Jake. The KW could have a 346, 346B, 346B+, or a 346D. The only difference is the mounting. 346, and 346B has three mounts, 346B+, and 346D have 4 mounts. The only difference in the 3 and 4 mounts, is a little tighter lash on the 4 points.Feb 11, 2010 · 3406"A" block pumps had a jake switch opening that contacted the fuel rack, so if set correctly the rack moved further closed than idle when in deceleration cycle and activated the jake, at idle the rack moved back to a give enough fuel to idle and the jakes didn't stay on, but these were really fussy to set, I don't know if a B/C pump can be ... Nov 19, 2015 · Daniel Wilson. Associate Degree. 6,648 satisfied customers. 3406c cat engine. Front jakes work but not the rear. The. 3406c cat engine. Front jakes work but not the rear. The rear solenoid has power and oil squirts out when solenoid engages but still the jakes … read more. 1.YMake an adjustment to the valve lash on the inlet. valves for cylinders 1, 2, and 4. 1.YLoosen valve adjustment locknut (3) . 2.Y lace the appropriate feeler gauge (5) between. the inlet rocker arm and the inlet valve bridge. Turn inlet adjustment screw (4) while valve. adjustment locknut (3) is being held from.simple tutorial for operation of Jacob brake or exhaust brake for 3406B CAT engineCat 3406B JAke adjustment... Discussion in 'Trucks [ Eighteen Wheelers ]' started by rank, Jun 22, 2014. Page 2 of 3 < Prev 1 2 3 Next > Jun 23, 2014 #11 ...Dirks1505 - Jake Brake CAT Fuel Pump Mounted Cancel Switch, 3406 B, Normally Open quantity. Add to cart. SKU: Dirks1505 Categories: 359, Engine Electrical. Dirks1505 - Jake Brake CAT Fuel Pump Mounted Cancel Switch, 3406 B, Normally Open quantity. Add to cart. SKU: Dirks1505 Categories: 359, Engine Electrical.Search our large inventory of New/Rebuilt/Used CAT Engine Brakes | Exhaust Brakes for sale. Enjoy our hassle-free online checkout or call to speak to an expert. Email Us Call Us 888.940.5030 Log In/Register 0. Log In/Register. ... USED - Cat C15 jake brake, Model 340C, P/N 029937. Model#: 340C: Part#: 029937: Bolts: NO: Item:24501357 $520.00.Subject: RE: Cat 3406C jake brake issue. Crivitz, WI. I believe the problem is in the head. The bridge depths were the same. Unfortunately, the height of the valves are different. I tried using a dial indicator but had more consistent readings using the dial calipers. #4 cyl reads 3.150. #5 cyl reads 3.166.Step 5. With the #1 cylinder at top dead center (TDC). Place a .015" feeler gauge between the rocker shaft and the valve bridge on #1 cylinder intake. There should be slight drag on the feeler gauge. If not then loosen the jam nut on the rocker shaft and turn the adjusting screw so you have the slight drag on the feeler gauge. Tighten the jam ... I have a book on 3406B and is about the same but still