ARMY TM 9-2815-256-24
AIR FORCE TO 38G1-96-2
MARINE CORPS TM 2815-24/5
Remove all old gasket material from front plate and engine block.
Clean plate with solvent and dry with compressed air. Wipe front face of engine block with a cleaning cloth. Be
sure gasket surface on engine block is clean.
Inspect front plate for wear or damage. Replace if necessary.
New replacement front plates do not have a timing mark for the fuel injection pump. A new timing
mark must be established at reassembly.
Apply sealing compound (LOCTITE 242) to threads of studs and setscrew plugs (7, FIGURE 3-136)
before installing in front plate.
Install mounting studs in appropriate location on front plate for your pump application. Install setscrew plugs (7)
in threaded holes not used for mounting studs.
Transfer injection pump timing mark from original front plate onto replacement plate, refer to paragraph 3-42.4.
3-42.4. Transferring Fuel Injection Pump Timing Mark.
Replacement front plates are supplied without injection pump timing mark. It is extremely
important that timing be accurately transferred from original front plate to replacement plate in the
exact location for correct injection pump timing.
Position locally manufactured template (FIGURE D-2, Appendix D) on front plate and secure with three 3/8-16
Transfer injection pump timing mark from previous front plate onto template using a fine tip marker and
straightedge. Remove template from front plate being replaced.
Attach template (with timing mark) to new front plate and tighten capscrews securely.
Transfer timing mark from the template to the new front plate using a scribe. Scribe deep enough so mark
becomes a permanent reference.
Remove template from front plate.
Install oil bypass valve (6, FIGURE 3-136) and spring (5) in engine block bore.
Apply a light coating of sealing compound (FORMAGASKET2) to engine block side of new gasket (4).
Install gasket (4) and front plate (3).
Secure front plate (3) with five screws (1) and new lockwashers (2). Tighten screws to 25 ft-lbs (34 Nm).
Cut off protruding edge of gasket only after timing gear cover has been installed and tightened.
¶U.S. GOVERNMENT PRINTING OFFICE: 1997 - 554-024/60088