TM 1-1730-230-13&P
Table 3-1. AVUM Preventive Maintenance Checks and Services
for Ground Handling Wheels Assembly.
ITEM
INTERVAL
ITEM TO BE
PROCEDURE
NOT FULLY
NO.
CHECKED OR
MISSION
SERVICED
CAPABLE IF:
1
36 MONTHS
HYDRAULIC
SERVICE FLUID RESERVOIR
Fluid reservoir is cracked
PUMP
and leaking.
WARNING
To prevent injury to personnel or
damage to equipment, all pressure must be
released from the pump before staring any
maintenance action
CAUTION
To prevent contamination from entering
the pump, the exterior of the pump should be
cleaned before beginning this procedure.
NOTE
Refer to Figure 3-1 for parts identification.
36 MONTHS
1. Drain pump reservoir of
Hydraulic fluid is
hydraulic fluid.
contaminated.
a. Remove hydraulic pressure by rapidly
Control valve is defective.
turning control valve pressure release knob
counterclockwise.
b. Remove filler cap (1) and packing ring (2). Cap or ring damaged.
c. Stand Wheel Assembly on end, with the
Rams do not fully retract
pump filler hole down. to drain fluid from the
pump. Rotate axle to assure that the rams
are fully retracted
d. Disconnect hoses (3) from tees and drain
Hoses or rams damaged
the hoses and hydraulic rams on both sides
of the pump Ensure hydraulic rams are fully
retracted
e. Reinstall hoses (3).
Hose is defective.
3-6
