TM 55-1930-209-14&P-21
k.
Light scoring marks on shaft or bearing faces of pillow blocks can be polished out with a fine grade emery cloth.
Use care when polishing these surfaces to avoid flat spots.
I.
Inspect winch shaft drive gear for signs of excessive wear and chipped teeth. Inspect female spline area for
excessive wear or other damage.
m.
Apply a lube gun to pillow block lube fittings and insure that lubricant flows freely through fitting.
n.
Repair by replacement of defective or non-repairable parts.
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Winch head shaft assembly Installation
a.
Lubricate shaft bearing surfaces with 30-weight or similar engine oil and press the roller bearings on the shaft.
CAUTION
Insure that bearings are reinstalled In original location. Bearings are not identical and reversed
installation could cause premature bearing failure and additional equipment damage.
b.
Push pillow blocks on roller bearings.
c.
Lubricate roller bearings and rotate pillow blocks around shaft several times. This will spread lubricant and
provide a way to check that bearings are properly installed.
d.
Install bearing retainers.
e.
Lubricate inner and outer splines of winch head drive gear and after Installing Inner locking collar, press gear on
shaft.
f.
Complete assembly and installation In reverse of disassembly sequence.
NOTE
Use a light weight oil to lubricate the winch heads and Gib keys. Tap the Gib keys with a hammer
to insure that they are firmly seated in the key way.
5-99
Winch head guide
a.
General. The winch head guides are unpowered rollers mounted on winch frame so that roller is vertical. This
roller is used to redirect polypropylene line from winch head to reeling machine.
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