TM 55-1520-240-23-1
1-71
SERVICE FORWARD LANDING GEAR SHOCK STRUT (AIR) (Continued)
1-71
12.
Note recorded pressure needed to inflate second
strut. Note lower of two recorded pressures
required to inflate first strut.
NOTE
Chart dimension A for both struts
should be same within 1/2 inch. If
off by more, service struts with fluid
(Task 1-69).
13.
Find noted pressures on chart. If pressures fall
between chart blocks, go to closest block. Read
chart DIMENSION A next to pressure.
NOTE
Only nominal pressure readings are
shown on landing gear servicing plate.
NOTE
Turn outer valve nut (3) left to add air.
Turn nut right to shut off air.
Step 14 requires going back and
forth between landing gear. If two air
sources are available, service both
struts at same time.
14.
Add as much air as needed to each strut (5) in
turn to increase extension of strut about 1 inch
at a time. Stop when each strut 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.
1-270
Change 3
