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INSTALLATION AND SERVICE MANUAL 917N-CMT, 927CMT, 957CMT
184617-02
1. Clean gear reducer output shaft
(Ref.#11) with fine emery cloth, and
slide the new drive coupling on the
reducer shaft. The coupling should
slide on the shaft all the way without
the key. If the coupling doesn’t slide
completely on, check both the cou-
pling and reducer shaft for burrs.
2. When a smooth sliding fit is
achieved, remove coupling and
proceed with final assembly.
Place key (Ref. #10) in key slot on
the reducer output shaft. Keep the
key flush with the front end of the
output shaft (Ref. #11).
NOTE:
Coat output shaft with Loctite
Anti-Seize to make future removal
easier.
3. Slide the coupling (Ref. #4 until it
bottoms out on the shaft. Leave the
four (4) set screws loose as the
coupling will have to be adjusted.
4. Remove the two (2) bolts added in
preceding Step #6 of Beater Drive
Coupling Removal (previous page).
5. Place one (1) gear reducer bolt
(Ref.#8) in the top hole of the cylin-
der mounting plate.
6. Insert gear reducer onto cylinder
mounting plate and start top bolt
(Ref. #8). Do not tighten completely.
Now insert the other bolts one at a
time. When all bolts are in, tighten
each bolt.
IMPORTANT:
Make sure the drain pan lip is on
the front of the reducer mounting
plate, not in between it and the
reducer.
NOTE:
Due to very close tolerance
between the gear reducer and cylinder
mounting plate, no alignment is required
when installing the reducer. When the
reducer bolts are tightened, the reducer
will self-align with the cylinder.
11.4.2 Installing the New Coupling