TM 9-2330-381-14
4-65.
REAR SUPPORT LEGS (CONT)
ASSEMBLY
1.
Apply generous amount of grease to inside top of inner support (3). Using hammer and drift, install sleeve
bearing (22) and washer (23).
2.
Start APU (para. 2-16).
3.
With platform raised to highest position (para. 2-19) and front of platform opposite affected rear support leg
lowered, two people must raise inner support leg (3)) into upper support weldment (16).
4.
Lower platform to lowest position (para. 2-19).
5.
Shut down APU (para. 2-19).
CAUTION
Do not use excessive force when installing socket head screw. Socket head screw
may break, requiring replacement of actuating nut.
6.
Install packing (20), washer (19), and actuating nut (18). Torque nut (18) to 40 -50 lb-ft (55 -68 Nm) with setscrew
slot in nut alined with slot in threaded shaft (21). Install lockwasher (17.1) and socket head screw (17).
7.
Install packing (15), washer (14), and lubrication fitting (13).
8.
Position latch (12) on studs of upper support weldment (16) and secure with two washers (11), lockwashers (10),
and nuts (9).
9.
Install setscrew (8) in cover (6) and install cover with two capscrews (7). Adjust setscrew (8) so that cover (7)
cannot be opened past 90 degrees vertically. Check that cover, when released at full open vertical position,
returns to closed position.
10.
Retract inner support leg (para. 2-23). Position adjusting nut so that socket head screw is outboard; then, close
cover.
FOLLOW-ON MAINTENANCE
1.
Lubricate lubrication fitting and actuating nut (para. 3-3).
2.
Operate rear support leg and check for proper operation (para. 2-23).
4-320 Change 1
