TM 55-1520-240-23-1
1-72
SERVICE AFT LANDING GEAR SHOCK STRUT (AIR) (Continued)
1-72
NOTE
Turn outer valve nut left to add air.
Turn nut right to shut off air.
Step 12 requires going back and
forth between landing gear. If two air
sources are available, service both
struts at same time.
12.
Add as much air as needed to each strut in turn
to increase extension of piston (4) about 1 inch
at a time. Stop when each extension equals
required DIMENSION A.
NOTE
The minimum ground clearance is
19.2 inches. This measurement is
taken from under the aircraft at ramp
hinge.
13.
Hold body of valve (2) on left strut with wrench.
Torque outer valve nut (3) to 60 inch-pounds.
14.
Shut off air at air source. Remove air chuck (5) if
installed. Install valve cap (1).
15.
Repeat steps 13 and 14 for right strut.
INSPECT
FOLLOW-ON MAINTENANCE:
Adjust proximity switches (Task 3-56).
Close aft landing gear access panels (Task 2-2).
Raise cargo ramp (TM 55-1520-240-T).
END OF TASK
Change 3
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