TM 9-2330-235-14&P
4-57.
DOUBLE-SWIVELING LEVELING JACK SUPPORT ASSEMBLY MAINTENANCE (M390C) (Con't).
4.
Install bolt (43) and flatwasher (42) in center of plate (40).
5.
Position pilot (4) in opening in top of housing (17). Position dowel (5) in center of pilot.
NOTE
Ensure that same number of shims as were removed are installed.
6.
Position shims (6), bearing (7), guard (8), and plate (9) against pilot (4) on outside of housing (17).
7.
Position bearing (21) and plate (22) on inside of housing (17). Install six new lockwashers (27) and screws (28).
8.
Install flatwasher (30) and bolt (29) in center of plate (22).
9.
Position two shouldered shafts (3) through openings in housing (17). Install two locking levers (31) on shafts
inside housing. Ensure that locking lugs on each locking lever engage slots in plates (22 and 40).
10.
Continue pushing shouldered shafts (3) through housing (17) until centered in housing. Install four adjusting nuts
(2) on ends of shafts. Secure each adjusting nut to shaft with two setscrews (1).
11.
Install screw (37) through locking lever (31) and bracket inside housing (17). Install spring (32), flatwasher (34),
and nut (33) on screw. Repeat for remaining locking lever.
12.
Install lever (26) on end of shouldered shaft (3) with screw (25), new lockwasher (24), and nut (23). Repeat for
remaining lever.
13.
Install cover (18) on housing with six new lockwashers (19) and bolts (20).
e.
INSTALLATION
NOTE
Step 1 is for rear leveling jack support assemblies only.
1.
Position rear leveling jack support assembly for installation. Install six new lockwashers (15) and screws (14).
NOTE
Step 2 is for front leveling jack support assembly only.
2.
Position front leveling jack support assembly for installation. Install three new lockwashers (10) and screws (11) to
rear of front leveling jack support assembly. Install new lockwasher (12) and screw (13) in front center hole.
Install two flatwashers (16), new lockwashers (15), and screws (14) in outside front holes.
FOLLOW-ON TASKS:
Install leveling jack (para 4-55).
Check operation of double-swiveling leveling jack support assembly (para 2-10).
4-145
