TM 55-1930-209-14&P-21
(7)
Inspect friction pads for uneven wear and other damage. Repair by replacing all friction pads as a set.
(8)
Inspect clutch drum face for signs of overheating and scoring. Normally deep scoring and out of round
condition require wire drum replacement.
e.
Clutch assembly reassembly
(1)
Reassemble clutch assembly in reverse of disassembly sequence.
(2)
Leave five band jet screws retracted until clutch is installed on drum shaft.
5-94 Drum reassembly and installation
a.
Reassemble drum in reverse sequence of disassembly procedure. Hand pack bearings with grease prior to
installation.
b.
Lubricate both inner and outer clutch splines with a high pressure grease to ease assembly.
CAUTION
When installing the clutch on the shaft insure that the air hole in the clutch frame aligns with the
hole in the shaft.
c.
When installing pillow block roller bearings press them on shaft first. Then push pillow blocks on to bearings.
NOTE
The pillow block roller bearings are a light press fit on the shaft and a push fit in the pillow blocks.
The bearings may be heated to a maximum of 225°F in an oil bath or temperature controlled over
to ease installation on the shaft. Do not allow bearings to come in contact with the container
surface during heating. Hot spots can damage the bearing surface hardness.
d.
Reinstall tube fittings and lubricate all bearings to insure clear tube lines. Rotate drum shaft and pillow blocks to
spread lube in bearings.
e.
Install drum assembly on winch frame.
f.
Lubricate Drum Drive gear splines in same manner as clutch splines and install drive gear and air fitting.
g.
Test clutch for proper operation and adjust clutch band set screws.
h.
Install brake bands, guards and dust covers.
5-115
