1-8
WPM Drive Systems Manual
WORM DRIVE TRANSMISSION
3. Note: Some replacement axles have more than one
hole that can be used to pin the sleeve to the axle.
Refer to the original axle to identify the correct hole
to use. Then drive a roll pin through the sleeve and
axle (Fig. 017).
Fig 017
3428-0151
2. Clean the rust and dirt from the both ends of the
axle. Wipe the inner diameter of the bushings with
a clean cloth. Lightly oil the axle and insert it into
the gearcase. When facing the front of the gearbox,
insert the short end of the axle from left to right.
Install the thrust washer, helical gear, and the sleeve
and clutch jaw. Then push the axle through the other
side of the case.
Fig 016
3428-0158
Note: The bushings are two different lengths. The
side of the case with the thicker boss uses
a longer busing to support the axle. The
bushings should be fl ush with the inside of
the case (Fig. 016).
A. Tool
P/N
27-0460
A
4. Using a seal protector, slide new seals down each
side of the axle, Install the seal with the lip facing the
transmission. The outer edge of the seal should be
fl ush with the outside of the case. If a seal protector
is not available, wrap a piece of cellophane around
the axle (Fig. 018).
Fig 018
3428-0170
A. Seal
protector
or
B. Seal
Cellophane
A
B
Summary of Contents for Recycler 20012
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