ARMY TM 9-6115-639-13
AIR FORCE TO 35C2-3-386-51
MARINE CORPS TM 10155A-13/1
4-36. ENGINE OIL DRAIN ASSEMBLY MAINTENANCE
This task covers removal, inspection, and installation.
Tool Kit, General Mechanics Automotive
Generator set shut down (Para. 2-9)
(Item 2, App. B, Sect. III)
Battery cables disconnected
Cable disconnected for SLAVE RECEPTACLE
Confirm that drain valve (4, Figure 4-27) is closed (valve handle perpendicular to valve).
Disconnect hose (1) from drain valve (4) and adapter (5) loosening hose clamps (3). Remove adapter (5)
from elbow (2).
Nut on outside of skid base, adjacent to plug, is welded in place and not removable.
Unscrew plug (8) from elbow (2). Release chain (9) from skid base by removing screw (10), washers (11),
and locknut (12). Remove chain (9) from plug only if replacement is required.
Remove elbow (2) from skid base by removing nut (6) and star washer (7).
If removal of drain valve (4) is required, engine must be removed from generator set. Refer to Direct
Support maintenance level.
Inspect oil drain hose for cuts, cracks, deterioration, or other damage. Inspect for evidence of leakage.
Inspect drain valve for clogging or obstruction. Ensure valve handle operates smoothly and that valve
Inspect elbow, fitting, and plug for damage. Inspect for crossed, stripped, or damaged threads.
Remove and replace any component that is damaged to the extent that it will effect the safe operation of
the generator set.