TM 1-1520-238-23
1-132
Change 6
1.42.
TAIL LANDING GEAR SHOCK STRUT SERVICING – NITROGEN – continued
NOTE
Go to step c. to service shock strut with
jacks in place and weight on wheels.
Go to step d. to service shock strut
with tail landing gear jacked
(para 1.68) and wheel free of ground.
c. Inflate shock strut (5) to pressures on chart
(7). Torque nut (6) to 60 INCH-POUNDS.
(1) Inflate shock strut (5) until pressure and dis-
tance match one pair of figures on chart (7).
Use nitrogen truck.
(2) Measure distance from center of valve (2) to
top of gland nut (8).
(3) Hold valve (2).
(4) Torque nut (6) to 60 INCH-POUNDS. Use
torque wrench.
(5) Go to step e.
GO TO NEXT PAGE
M04-1615-5
8
2
6
1640
1700
1920 1840 1770
2090
1580
2000
2.30
2.20
2.70
2.10
2.40
2.50
2.60
2.00
X
5
7
(WITH JACK IN PLACE AND WEIGHT ON WHEEL)
SHOCK STRUT INFLATION INSTRUCTIONS
LOOSEN GAS CHARGING VALVE UPPER 3/4 INCH
HEX NUT UP TO A MAXIMUM OF 3/4 OF A TURN.
INFLATE WITH DRY NITROGEN UNTIL PRESSURE
AND DISTANCE MATCH ONE PAIR OF FIGURES:
1.50
2300
1.40
1.90
1.30
PRESSURE ±10 PSIG
2420
1.60
2890
1.10
3540
1.70
2710
2550
3300
1.80
2190
1.20
3080
DISTANCE X ±.030
