ENGINE - Continued
This task covers
Shop Equipment, Automotive
Main Engine Shutdown (see TM 5-4210-220-12)
Maintenance And Repair,
APU Shutdown (TM 5-4210-220-12)
Batteries Disconnected (TM 5-4210-220-12)
J22582 Engine Barring Tool
Both Engine Compartment Covers Removed
J1242 Injector Timing Gage
J22525 Injector Tube Service Tool Set
Rocker Cover(s) Removed (see para. 2-19.3)
J8932-01 Fuel Pipe Socket
J22396 Injector Holding Fixture
J23010 Injector Tester
10, Appendix B Dry Cleaning Solvent
J22640 Injector Auxiliary Tester
5149510 Rocker Cover Gasket
J26400 Injector Test Oil
J22410 Injector Calibrator
J9462-02 Injector Needle Valve Lift Gage
JP-4 is a highly volatile fuel. Extraordinary care must be taken when servicing components that use this
fuel. The truck shall be grounded to an approved grounding point if it contains JP-4.
Adjust exhaust valve clearance as detailed in para. 2-19.7.
Place the governor speed control lever in the idle speed position. If a stop lever is provided, secure it in
the stop position.
Rotate the crankshaft, with the starting motor or with engine barring tool J22582, until the exhaust valves
are fully depressed on the particular cylinder to be timed.
If a wrench is used on the crankshaft bolt at the front of the engine, do not turn the crankshaft in a left-
hand direction or rotation or the bolt may loosen.
Place the small end of the injector timing gage J1242 in the hole provided in the top of the Injector body
with the flat of the gage toward the injector follower.
Loosen the injector rocker arm push rod lock nut.