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LO 55-1905-219-12
*TOTAL TASK HOURS
*TOTAL TASK HOURS
INTERVAL
TASK-HOURS
INTERVAL
TASK-HOURS
M
0.8
W
0.2
S
2.1
U
0.2
- KEY -
EXPECTED TEMPERATURES
CAPACITY
Above + 32
F
+ 40 to-10
F
F
0 to-65
F
F
INTERVALS
Above 0
C
+ 5 to-23
C
C
-18 to-54
C
C
OE/HDO Lubricating oil,
As Required
OE/HDO
OE/HDO
(MIL-L-2104)
engine
U - Before Using
GAA
Grease, automotive
As Required
W- Weekly
(MIL-G-10924F)  and artillery
M - Monthly
FRH
Hydraulic Fluid, petroleum,
30 gal
All Temperatures
S - Semiannually
(MIL-H-46170B) (H-544)
inhibited
(113.55-liters)
OEA
Lubricating oil, ice
As Required
OEA
(MIL-L-10295
arctic
NOTES
9. HYDRAULIC PUMP UNIT. Change the hydraulic fluid after the first month of operation and once a year for hard
continuous service or every two years for light service. Change hydraulic fluid as follows:
Step a. Operate the hydraulic system until the oil is warm. Stop the pump and drain all oil from tank and remainder of
system.
Step b. Remove tank access plate and clean sump. Remove strainer element and clean with diesel oil. Reinstall
strainer element and access plate.
Step c. Refill tank with clean FRA hydraulic oil, 30 gal (113.55 liters). Operate the system and maintain the tank oil
level. Continue to operate system to purge air from the lines for smooth and quiet operation. Add hydraulic oil
as required to maintain the proper level as system fills.
Card 9 of 30


 


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