TM 9-2330-235-14&P
4-57.
DOUBLE-SWIVELING LEVELING JACK SUPPORT ASSEMBLY MAINTENANCE (M390C) (Con't).
NOTE
Tag and tie shims together for use during assembly.
7.
Remove six screws (38) and lockwashers (39) from plate (40) inside housing (17). Remove plate, bearing (41),
pilot (44), dowel (45), shims (46), bearing (47), guard (48), and bracket (49). Discard lockwashers.
8.
Remove bolt (29) and flatwasher (30) from plate (22) inside housing (17). Discard lockwasher.
NOTE
Tag and tie shims together for use during assembly.
9.
Remove six screws (28) and lockwashers (27) from plate (22) inside housing (17). Remove plate, bearing (21),
pilot (4), dowel (5), shims (6), bearing (7), guard (8), and plate (9). Discard lockwashers.
c.
CLEANING AND INSPECTION
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective goggles and
gloves, and use only in a well-ventilated area. Avoid contact with skin, eyes, and clothes, and DO
NOT breathe vapors. DO NOT use near open flame or excessive heat. The solvent's flash point is
100F-138F (38C-590C). If you become dizzy while using cleaning solvent, immediately get fresh
air and medical help. If solvent contacts eyes, immediately wash your eyes and get medical aid.
1.
Clean all parts with dry cleaning solvent and dry thoroughly.
2.
Inspect shouldered shafts for nicks or distortion.
3.
Inspect locking levers for cracks or wear.
4.
Inspect mating surfaces of plates, bearings, pilots, and bracket or plate for roughness or wear.
5.
Inspect all parts for cracks, breaks, corrosion, or other damage. Re place all damaged parts.
d.
ASSEMBLY
NOTE
Assistance is required for steps 1 through 8.
1.
Position pilot (44) in opening inside housing (17). Position dowel (45) in center of pilot.
NOTE
Ensure that same number of shims (46) as were removed are installed.
2.
Position shims (46), bearing (47), guard (48), and bracket (49) against pilot (44) on outside of housing (17).
3.
Position bearing (41) and plate (40) on inside of housing (17). Install six new lockwashers (39) and screws (38).
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