Jacobs Engine Brake

1 (For Series 60 engines built after December 15, 1999 go to page two for instructions)Begin by obtaining Engine and vehicle information. Engine Model Number Vehicle electrical system 12- or 24-Volt system Determine if Engine Brake cab controls are installed in the vehicle. If you are servicing an existing Engine Brake , determine the Engine Brake model Specify a New Engine Brake Retrofit Kit:1. Determine whether a two- or three-housing kit is required (Series 60 only, see note 3.)2. Find the row corresponding to the Engine model A typical installation will require: One 12- or 24-Volt base kit One Engine Control Group One Cab Control Group (if cab controls are not already installed) One Clutch Switch Group ( mechanical and DDEC II systems only) For DDEC controlled systems, reprogramming will be required to turn on the Engine Brake option.

2 The purchase of a genuine Jacobs Engine Brake retrofit kit entitles the purchaser to free pro-gramming for this indicates no kit available at the time of the print date indicates a part that is not required, or is already standard OEM Specify an Engine Brake Tune-Up Kit:1. Turn to the Tune Up Kit application information on Page 6 of this Find the model number of the Engine Brake that is Select the appropriate Tune Up Determine Slave Piston Lash Setting:1. Find the row corresponding to the Engine model Find the slave piston lash setting from the appropriate : 1.

3 For Series 50 and Series 60 Engine Brake installation and service procedures, refer to detroit diesel Engine Service Manuals for Series 50 P/N 6SE50 and Series 60 P/N 6SE483. For Jacobs Engine Brake service parts, refer to detroit diesel Parts Series 60 engines with serial numbers below 06R0004455 are not Engine Brake Two-housing and three-housing kits are available for Series 60 engines. The three-housing kit is appropri-ate for most applications. Certain bus and coach applications use a stepped valve cover due to clearance requirements. These applications require a two-housing Engine Brake Model 760 is no longer produced.

4 Model 760A replaces Model 760 as the current production Series 40 engines require Jacobs Exhaust Brakes . The Jacobs Exhaust Brake retrofit kits come com-plete with controls for mechanical Series 53A Jacobs Engine Brakes require a special adjustment procedure. Refer to the Series 53A In-stallation Manual, P/N 18411, for slave piston lash Series 53A Jacobs Engine Brakes are currently only available in 24-Volt configurations. Applications on vehicles with 12-Volt electrical systems require replacement of the Engine Brake Engine Brake Application Guide For detroit diesel EnginesHow to Use This Guide:L10227 THIS Engine IS NOT CERTIFIED FOR USE IN AN URBAN BUS ASDEFINED AT 40 CFR 2.

5 SALE OF THIS Engine FORUSE IN AN URBAN BUS IS A VIOLATION OF FEDERAL LAW UNDERTHE CLEAN AIR ACTTHIS Engine IS CERTIFIED TO OPERATE ONLOW SULFUR diesel FUELUNIT 06R0613435 unit 06R0613435 620788 MODEL 6067MK45 SPEC P12608000812 INJ CONT ELEC0598 OIL DIST0967 OIL PAN0642 ROCKER COVER1788 TURBOCHARGER0161 VIB DAMPER0077 WATER FILTER0453 INJECTOR0201 OIL FILLER0194 PWR STR ADAP0378 STARTING MTR0744 VALVE MECH0464 WAT BYPASS0335 WATER PUMP1458 OIL COOLER0638 OIL FILTER0445 PWR STR ADAPT0358 THERMOSTAT1161 VENT SYSTEM0459 WATER CONNL10227 IMPORTANT Engine INFORMATIONTHIS Engine CONFORMS TO EPA AND CALIFORNIAREGULATIONS APPLICABLE TO 2000 MODEL YEAR NEW HEAVY DUTYDIESEL CYCLE ENGINES.

6 THIS Engine HAS A PRIMARY INTENDED SERVICE APPLICATION AS A HEAVY HEAVY DUTY RATING AT ADV. HP MM3/STROKEINITIAL INJECTION TIMING 12 DEG. BTCENGINE FAMILY SERIES 60, HP 470 AT 2100 RPMDISP. LITERSMIN. IDLE 600 RPMMFG. DATE AUG 2000 CONFORMS TO AUSTRALIAN DESIGN RULE 30L10227200050S0438 ACC DRIVE0026 AIR INTK MFLD0387 C/S PULLEY0131 CRANKSHAFT0260 ENG LIFT BRKT0654 EXH MANIFOLD0897 F/W HOUSING1198 FLYWHEEL2113 FUEL LINES1398 AIR COMP0178 C/S COVER0731 CONN ROD/PSTN1393 DIP STICK0683 ENG MOUNTS0454 EXH OUTLET1765 FAN MOUNTS0841 FUEL FILTER0262 FUEL PUMPTHIS Engine WASTESTED AT 370/430HP AT 2100 RPMINJ.

7 SETTING MMVALVE LASHEXHAUST .660 MMINTAKE .203 MMMAX RPM NL 2225 STD CAM TIMING L10227 unit 06R0613435 620788 MODEL 6067MK45 SPEC P1260800To determine which Engine Brake you need for Series 60 Engine built after December 15, 1999 you will need to have the following Engine Model Number2. Manufacture Valve Mech Injector Height find this information you will have to reference the data tags on the valve cover of your Engine . Figure 1 below is a example of the layout of these data tags and where you will find this information.

8 Once you have the four pieces of information you can proceed to pages 3 through 6 and find the Engine Brake model which matches your Engine . The next step is to proceed to page 6 for the part numbers you will need to install a Jacobs Engine Brake on your 1 Using the Application Guide for Series 60 Engines built after December 15, 1999 Jacobs Engine Brake Application Guide For detroit diesel EnginesPage 26067HG6E 14L, ON-HIGHWAY 933 12 volt 23535545 153J 797B mm (.020 in)6067HG2E 14L, BUS/COACH 933 12 volt 23535545 153J 797B mm (.020 in)6067HG4E 14L, FIRETRUCK 933 12 volt 23535545 153J 797B mm (.)

9 020 in)6067HG5E 14L, CRANE 933 12 volt 23535545 153J 797B mm (.020 in)6067HG8E 14L, TRANSIT COACH 933 12 volt 23535545 153J 797B mm (.020 in)Lash SettingValve MechEngine DescriptionEngine ModelEngine OptionCam Part NumberCam Type Injector AdjustmentBrake Model Series 60 Model Year 2007 Refer to detroit diesel Service ManualBrake Description Base Kit Engine CabModel Control Control797B Engine Brake Kit 12 VDC 32883 See Note 1 N/A Note 1: 23537335 Harness ASM Fuel Inj 23536833 Bridge Jake Harness Support (3)

10 * Both items must be purchased prior to installationPage 3 Jacobs Engine Brake Application Guide For detroit diesel EnginesJacobs Engine Brake Application Guide For detroit diesel EnginesLash SettingValve MechEngine DescriptionEngine ModelEngine OptionCam Part NumberCam Type Injector AdjustmentBrake Model Series 60 Model Year After 11/17/2003 For All Off Highway and Non-US Applications Replacing models 790A, B, C, D and 7956067BK62 ADR 80, Premium Austr 0888 12 volt 23528309 101J 797A mm (.020 in) 0887 24 volt 23528309 101J 797A mm (.020 in)6063HK32 14L, MSHA Non-Road C&I 0890 12 volt 23528606 107J 797A mm (.)