TM 1-1730-232-13&P
Table 3-1. AVUM Preventive Maintenance Checks and Services
for Ground Handling Wheels Assembly.
(continued)
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
continued
PUMP
and leaking
f. Remove nut (4) located on the end of the.
Nut, pump body, or packing
pump and separate pump body (5), and
packing ring (6) ring damaged
from reservoir (7).
g. Clean fluid filter (8), and reservoir (7),
Filter is dogged
with nonflammable cleaning fluid
h. Reassemble pump with new packing rings (6) Packing rings leak
and (2)
i. Drain and clean the other hydraulic system Hoses, rams, or fittings
components (hoses, hydraulic rams, fittings)
damaged or contaminated
before reconnecting them to the pump
36 MONTHS
2. Fill pump reservoir
Fluid leaks from reservoir
with hydraulic fluid.
(Item 1, Appendix D)
CAUTION
The reservoir is protected by a gasket in the
filler cap, which will extrude and blow if more
oil is contained in the system than the
reservoir can handle. To prevent damage
to the reservoir gasket, the rams must be
fully retracted before refilling the reservoir
a. Fully retract hydraulic rams.
Rams won't fully retract
b. Clean the entire area around filler cap
Area around filter cap
damaged
c. Insert a clean funnel and filter into the
Fluid is not filled to proper
filler hole Add MIL-H-5606 fluid to the level
level
indicated in Figure 3-1
3-7
