WORM DRIVE TRANSMISSION
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 flush with the inside of
the case (Fig. 016).
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).
A
Fig 017
3428-0151
Fig 016
3428-0158
A. Tool P/N 27-0460
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
flush with the outside of the case. If a seal protector
is not available, wrap a piece of cellophane around
the axle (Fig. 018).
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.
A
B
Fig 018
3428-0170
A. Seal protector or
Cellophane
B. Seal
1-8
WPM Drive Systems Manual
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