Toro Groundsmaster 455-D Service Manual page 215

1. Disconnect clutch electrical connector.
2. Loosen PTO shaft bearing collar (Fig. 8, Item 2) to allow
shaft movement.
3. Remove three (3) bolts (Item 11) securing clutch adapter
(Item 13) to clutch.
4. Remove three (3) flange head screws (Item 6) and flat
washers (Item 7) securing rubber flange (Item 40) to clutch
P.T.O. Clutch
adapter (Item 13).
5. Remove clutch adapter (Item 13).
Figure 9
6. Remove flange head screw (Item 39) and washer (Item
38) securing clutch assembly (Item 37) to shaft of lower
pulley (Item 17).
7. Remove the clutch assembly. Make sure you acount for
the key (Item 18) and clutch spacer (Item 33).
8. Before installing clutch assembly, apply Never-Seez or
equivalent to bore of clutch (Item 13). Install clutch spacer
(Item 33) and install key (Item 18) in keyway on shaft of
lower pulley (Item 17).
9. Align key on lower pulley with keyway in clutch bore and
install clutch assembly on lower pulley shaft. Make sure key
engages both clutch sections.
NOTE: Mark keyway location on end of shaft. Mark keyway
slot on outer clutch bearing. Install clutch asssembly on shaft
by lining up the marks.
10. Make sure hole in clutch field rotor plate is aligned with
pin on clutch plate. Apply Loctite 242 or equivalent to flange
head screw (Item 39) then secure clutch in place with flange
head screw and special washer (Item 38). Tighten flange
head screw to a torque lof 30 - 35 ft-lb.
11. Connect clutch electrical connector. Adjust clutch air gap
(see Clutch Adjustment in the Adjustments section of this
chapter).
12. Install PTO shaft to clutch and retighten bearing collar
(Item 2).
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Groundsmaster 455-D Page 7 - 9 Rev. E Repairs