TM 9-2330-203-14&P
4-46.
FIFTH WHEEL MAINTENANCE (Con't).
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
(38 OC-59C). If you become dizzy while using
cleaning solvent, immediately get fresh air and
medical help. If solvent contacts eyes, Immedi-
ately wash your eyes and get medical aid.
1.
Clean all parts with dry cleaning solvent and dry thoroughly.
2.
Inspect all parts for cracks, distortion, damaged
threads, excessive corrosion, or other damage.
Replace all damaged parts.
3.
Check studs (36 and 37) in fifth wheel (3). If
damaged, remove and replace.
4.
Inspect sleeve bearings (38) in anchor brackets
(8) for damage. If damaged, press out and
replace.
d.
ASSEMBLY
1.
Install lever (19) using washer (27), nut (25), and new cotter pin (26). Nut must be loose enough to allow
operation of lever.
2.
Lightly lubricate spring (20) and plunger (24) with grease. Install plunger and spring using washer (23), nut
(22),and new cotter pin (21). Nut must be loose enough to allow operation of plunger.
3.
Install latch (34) using washer (28), nut (35), and new cotter pin (29). Nut must be loose enough to allow operation
of latch.
4.
Hook spring (30) to latch (34) and fifth wheel (3).
5.
Install lock (32) using shouldered bolt (33).
6.
Install new lubrication fitting (31) in fifth wheel.
TA510739
4-105