NOTES - CONTINUED:
oil level to "FULL" mark. Operate for 5 minutes, check
filter housing for leaks. When AOAP laboratory support
is not available, install new filter elements each 250
9. HYDRAULIC SYSTEM FILTER. Each 250 hours,
remove element, clean filter housing and install new
element. After replacement, operate hydraulic system
for 5 minutes, check for leaks, check level and bring to
10. PUSH BEAMS AND PIVOT HINGE PIN. Intervals
should be more frequent under adverse conditions.
11. FRONT DIFFERENTIAL/REAR DIFFERENTIAL.
Check level each 50 hours. Change gear lubricant only
when required by maintenance repair action,
contamination by water, or other foreign material. After
refill, operate for five minutes, check for leaks and bring
oil level to level of level plug opening.
FRONT PLANTERY HUB/REAR PLANETARY
Check level each 50 hours.
lubricant only when required by maintenance repair
action, contamination by water or other foreign material.
Copy of this Lubrication Order will remain with the
To drain, position wheels so that fill and drain plug is at 6
equipment at all times, instructions contained herein are
o'clock position and remove plug. To fill, move wheels
so that arrow on drive cover is pointing down and fill to
level of plug hole. After refill, operate for 5 minutes,
By order of the Secretary of the Army:
check for leaks and bring oil level to level of plug hole.
JOHN A. WICKHAM, JR.
13. LUBRICANTS. The following is a list of lubricants
General, United States Army
with military symbols and applicable specification
Chief of Staff
ROBERT M. JOYCE
Major General, United States Army
The Adjutant General
(SD), Type II
To be distributed in accordance with DA Form 12-25B,
Operator and Organizational maintenance requirements
CARD 7 OF 7