TM 10-3930-675-24-2
VALVE AND INJECTOR ADJUSTMENTS
THIS WORK PACKAGE COVERS
Valve Lash Check
Injector Adjustment
Injector Lash Check
Valve Adjustment
INITIAL SETUP
Tools and Special Tools - Continued
Maintenance Level
Direct Support
Tools and Special Tools
Tool Kit, General Mechanic's (Item 128, WP 0289
Materials/Parts
Equipment Condition
NOTE
All overhead valve and injector lash measurements and adjustments MUST be made when engine
is cold.
Valve set marks "A", "B", and "C" are located on accessory drive pulley. Marks align with
pointer on gear housing.
Engine cylinders are numbered from front to rear 1-2-3-4-5-6.
Crankshaft rotation is clockwise when viewed from front of engine. Firing order is 1-5-3-6-2-4.
One pair of valves and one injector are checked or adjusted at each pulley index mark before
rotating accessory drive to next mark.
Two crankshaft rotations are required to check or adjust all valves and injectors.