25 MARCH 1991
TRUCK, FORKLIFT, DED, PNEUMATIC TIRE, ARTICULATED FRAME
STEER, 4,000 LB. CAPACITY, ROUGH TERRAIN,
ARMY MODEL MHE 237 (J.I. CASE MODEL M4K)
References: TM 10-3930-638-10 and TM 10-3930-638-24&P
Engine/Transmission oil and Hydraulic fluid must be
must be taken. Hard time intervals will be applied in the
sampled at the appropriate intervals as prescribed in TB
event AOAP laboratory support is not available. Clean
43-0210. Intervals (on-condition or hard time) and the
fittings before lubricating. Clean parts with dry cleaning
related man-hour times are based on normal operation.
solvent, (SD) type II or equivalent. Dry before lubricating
The man-hour time specified is the time you need to do
Dotted errors indicate required lubrications on both
all the services prescribed for a particular interval. On-
sides of the equipment.
condition (OC) oil sample intervals shall be applied un-
less changed by the Army Oil Analysis Program (AOAP)
Level of Maintenance. The lowest level of maintenance
laboratory. Change the hard time interval if your lubri-
authorized to lubricate a point is indicated by one of the
cants are contaminated or if you are operating the
following symbols: Operator/Crew (C); and Organiza-
equipment under adverse operating conditions, includ-
tional Maintenance (O).
ing longer-than-usual operating hours. The hard time
interval may be extended during periods of low level ac-
Relubricate after fording.
tivity. If extended, adequate preservation precautions
Approved for public release: distribution is unlimited.
*This LO supersedes the lubrication instructions contained in LO 10-3930-638-12 dated 30 May 1980.
REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this lubrication order. If you find any mistakes or if you know of a way to improve the
procedures, please let us know. Mail your letter or DA Form 2028 (Recommended Changes to Publications
and Blank Forms) direct to: Commander, U.S. Army Tank-Automotive Command, ATTN: AMSTA-MB, War-
ren, Michigan 48397-5000. A reply will be furnished to you.
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