LO 9-2320-211-12
LUBRICATION ORDER
(Supersedes LO 9-2320-211-12,
6 February 1984
dated 31 January 1979)
TRUCK, CHASSIS: 5-TON, 6X6, M40, M40A1 , M40A1C, M40A2C,
M61, M61A1, M61A2, M63, M63A1 , M63A2, M63C, M63A1C,
M63A2C, M139, M139A1, M139F, M139A1F, M139A2F;
TRUCK, CARGO: M54, M54A1 , M54A2, M54A1C, M54A2C, M55,
M55A2; TRUCK, DUMP: MS 1, MS1A1 , M51A2; TRUCK, TRACTOR:
M52, M52A1 , M52A2; TRUCK, TRACTOR, WRECKER: M246,
M246A1 , M246A2; TRUCK, VAN, EXPANSIBLE: M291A1 ,
M291A1D; TRUCK, WRECKER, MEDIUM: M62, M543, M543A1,
M543A2; TRUCK, STAKE, BRIDGE TRANSPORTING: M328A1;
TRUCK, BOLSTER: M748A1
REFERENCE: TM 9-2320-211-10, TM 9-2320-211-10-1, TM 9-2320-211-10-2, TM 9-2320-211-
10-3, TM 9-2320-211-10-4, TM 9-2320-211-20, TM 9-2320-211-20-1, TM 9-2320-
211-20-2-1, TM 9-2320-211-20-2-2, TM 9-2320-211-20-3-1, TM 9-2320-211-20-3-2,
AND CL9100SL
Intervals (on-condition or hard time) and the
Clean fittings before lubricating. Clean parts
with drycleaning solvent (SD) type II or
related man-hour times are based on normal
equivalent. Dry before lubricating. Dotted
operation. The man-hour time specified is the
time you need to do all the services prescribed
arrow points indicate lubrication required on
both sides of equipment.
for a particular interval. On-condition (OC) oil
sample intervals shall be applied unless
L e v e l of maintenance. The lowest level of
changed by the Army Oil Analysis Program
maintenance authorized to lubricate a point is
( A O A P ) laboratory. Change the hard time
i n d i c a t e d by one of the following symbols:
i f you are operating the equipment under
Operator/Crew (C); and Organizational
M a i n t e n a n c e (0).
adverse operating conditions, including
longer-than-usual operating hours. The hard
R e l u b r i c a t e after fording.
time interval may be extended during periods
of low activity. If extended, adequate
preservation precautions must be taken. Hard
t i m e intervals will be applied in the event
AOAP laboratory support is not available.
REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this lubrication order. If you find any mistakes or if you know of a way
t o improve the procedures, please let us know. M a i l y o u r l e t t e r o r D A f o r m 2 0 2 8
(Recommended Changes to Publications and Blank Forms) direct to: Commander, U.S. Army
Tank-Automotive Command, ATTN: DRSTA-MB, Warren, Michigan 48090. A reply will be
furnished to you.
TA 094115
LO 9-2320-211-12
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