ENGINE DIVISION SERVICE MANUAL
Fig. 13. Installing Snap Ring
2. Snap ring
Heavy Duty Sprag Clutch and DR-250 Drive
Remove the cupped pinion stop and split
washer. When removing the cupped pinion stop
it will probably be damaged. A new one will be
required at time of reassembly.
Remove remaining parts such as pinion washer
or retainer cups and baffle if equipped. The
splined drive will have a spring cup (spring inside
DO NOT lubricate the sprags on heavy duty
clutches as they are lubricated for life with a
Reassembly is the reverse of the disassembly.
Spline Drive and Positork Drive
These types of drives are serviced by complete
The reassembly procedure for the most part is
the reverse of the disassembly.
Motors using the snap ring and retainer on the armature
shaft as the pinion stop are re-assembled as follows:
Place the clutch assembly on the armature shaft.
To aid in reinstalling the snap ring and retainer
on the armature shaft observe the following:
Place the retainer on the armature shaft
with the cupped surface facing the snap
Place the snap ring on the end of the shaft.
With a piece of wood on top of ring, force
the ring over the shaft with a light hammer
blow, Fig. 13. Then slide the ring down into
To force the retainer over the snap ring,
place a suitable washer over the shaft and
squeeze the retainer and washer together
with pliers, Fig. 14.
Remove the washer.
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