THERMOSTAT S1 01
OIL PAN ADAPTER
LUBE OIL HEATER H113
OIL SIGHT GAGE
12. PIPE PLUG
23. PIPE PLUG
Figure 9-68. Removal and Installation of Oil Pan Assembly (Sheet 2 of 2)
It is recommended that a minimum of four persons perform the following procedure.
Remove the capscrews (6), lockwashers (7), washers (8), and remove the oil pan (9). Remove and
discard the gasket (10).
Remove the capscrews (16), lockwashers (7), washers (8), and remove the covers (17), if necessary, and
remove and discard the gaskets (10).
Remove the capscrews (18 and 19), lockwashers (7), washers (8), and remove the oil pan adapter (20).
Remove and discard the gasket (21).
Dry cleaning solvent PD-680, Type III, or equivalent, Is flammable and moderately toxic to the
skin, eyes, and respiratory tract. Assure adequate ventilation. Skin, eye, and respiratory
protection Is required to avoid Injury to personnel.
Clean. Clean all parts thoroughly using dry cleaning solvent PD-680, Type III, or equivalent, and dry with shop
Visually inspect the oil pan (9), covers (17), and the oil pan adapter (20) for cracks, warped gasket
surfaces, nicks and burrs on the gasket surfaces, and damage to the threaded holes.
Inspect the oil pan (9), covers (17), and oil pan adapter (20) for cracks and porosity using nondestructive
tests in accordance with MIL-1-6866 or MIL-1-6868.
Check the threaded holes in the cylinder block (for capscrews 18 and 19) for damaged or stripped threads.
Repair slightly damaged threaded fittings, plugs, and capscrews by chasing. Replace stripped fitting,
plugs, or capscrews.
Replace damaged, stripped, or loose threaded inserts and repair stripped threads in accordance with
Remove nicks or burrs on the gasket surfaces of the oil pan (9), covers (17), or oil pan adapter (20) using a
flat mill file.
Repair cracks or porosity in the oil pan (9), covers (17), or oil pan adapter (20) by welding in accordance
with MIL-STD-248. Reinspect the welded areas in accordance with step c(2), above.
If welding repairs extended into the gasket surfaces, or the gasket surfaces were warped, refinish the
gasket surface using a surface grinder.
Install. Before installing either the adapter, covers, or oil pan, be sure all traces of old gasket material has been
removed. Wrap all pipe plugs and pipe fittings with ant-seize tape, MIL-T-27730, before installing. When
installing the oil pan adapter (20, Figure 9-68), be sure to follow the exact torque sequence and torque values