OIL PAN INSTALLATION
THIS TASK COVERS:
Front gear cover installed (para. 3-75).
Flexdisk or flywheel, flywheel housing, and rear
Grease, automotive and artillery, GAA
cover installed (para. 3-80).
(Appendix C, Item 13)
Gasket and seal kit (15434) 3801235
SPECIAL ENVIRONMENTAL CONDITIONS
Four lockwashers (96906) MS35338-45
Work area clean and away from blowing dirt and
Four lockwashers (96906) MS35338-47
(M915A1/Big Cam III), (one M915/Big Cam I)
Two lockwashers (96906) MS35338-48
GENERAL SAFETY INSTRUCTIONS
Two lockwashers (15434) S-608
(M915/Big Cam I)
Lockwasher (15434) S-610 (M915/Big Cam I)
Automotive repairman MOS 63H
Do not rotate engine more than 90 from an upright position during oil pan installation.
Otherwise, pushrods could fall out. If any pushrods fall out, refer to para. 3-71 to install.
For M915/Big Cam I only, it may be necessary to refer to TM 9-2320-273-34, installation
of engine oil heater. For engine oil heater thermostat installation, refer to
Installation of oil pan is similar between M915/Big Cam I and M915A1/Big Cam III
engines. M915/Big Cam I engines use a cast aluminum oil pan that is mounted to the
flywheel housing with additional fasteners. M915A1/Big Cam III engines use a stamped
steel oil pan that does not mount with flywheel housing.
Perform steps 7, 9, 12, 13, and 14 for M915/Big Cam I only.
Cylinder block (1)
Apply a thin coat of GAA grease
to oil pan mounting surface.
New oil pan gasket (2)
Line up holes with holes in
cylinder block (1) and install on
cylinder block (1).