TM 5-3805-262-20
6-1. TRANSMISSION MAINTENANCE (CONT)
e. Oil Sampling (SHEET 1 OF 2).
This task covers taking a sample of transmission
oil which is then sent to a laboratory for analysis. This analysis determines how
many wear particles are contained in the transmission oil and thus extent of wear of
i n t e r n a l t r a n s m i s s i o n p a r t s.
NOTE
Obtain clean oil sample bottle and a copy of DD Form 2026 (Oil Analysis
Request) in accordance with local procedure.
MATERIALS/PARTS: Transmission oil (refer to current lubrication order)
Clean cloths (Appendix C, item 1)
One pint container
Clean oil sample bottle
REFERENCES: LO 5-3805-262-12
NOTE
PRELIMINARY PROCEDURE: Engine left side panels removed (page 9-14) and
transmission oil dipstick lock unlocked and removed.
(1)
(2)
(3)
(4)
(5)
(6)
Start engine and operate at idle speed. If CONV TEMP gage pointer is not
in green area, go to step (2) below otherwise go to step (6) below.
Press brake pedal. Move transmission control lever to H position.
Increase engine speed to full throttle and hold for 30 seconds.
Place transmission control lever in N position and operate engine at idle
speed for ten seconds.
Repeat steps (2) through (4) until CONV TEMP gage pointer is in green
area of gage.
Unscrew cap from oil sampling valve.
6-30