ENGINE OIL SAMPLING VALVE REPLACEMENT
This Task Covers:
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
Compound, Sealing: Pipe Thread (61603),
(SC 5180-90-N26), Tool Number W33004,
Type A NSN 8030-01-054-0740
Wrench, Torque (0-170 lb-ft),
Container (1 qt [0.91] minimum capacity)
Engine OFF (TM 5-3895-382-10)
Wheels and drum chocked
Engine oil drained
Remove engine oil sampling valve drain cap (1) from engine oil sampling valve (2).
Place container with 1 qt (0.9 1) minimum capacity under engine oil sampling valve (2).
Turn and hold knurled knob (3) in direction of arrow and allow remainder of engine oil to drain. Dispose of
drained oil in accordance with local regulations.
Disconnect hour meter pressure switch connector (4) from connector (5).
Remove hour meter pressure switch (6) from tee (7).
Loosen locking nut (8) on engine oil sampling valve (2) and remove engine oil sampling valve from adapter (9).
Remove seal (10) from engine oil sampling valve (2). Discard seal.
If damaged, remove adapter (9) from tee (7).