P.t.o. Electric Clutch - Toro Groundsmaster 3280-D Service Manual

P.T.O. Electric Clutch

Removal (Figs. 39 and 40)
1. Park machine on a level surface, lower cutting deck
(or implement), stop engine, engage parking brake and
remove key from the ignition switch.
2. Unplug clutch connector from machine wire harness.
3. Remove P.T.O. belt from clutch and P.T.O. shaft
pulley (see Traction Unit Operator's Manual).
4. Remove clutch stop components using Figure 39
(Groundsmaster 3280−D) or Figure 40 (Groundsmaster
3320) as a guide.
NOTE: Hold coupler on front of engine to prevent
crankshaft from turning when removing cap screw that
secures clutch to stub shaft.
5. Remove cap screw and spacer that secure clutch to
stub shaft.
NOTE: It may be necessary to lower the rear frame and
axle assembly to allow clutch removal (see Rear Frame
and Axle Assembly Removal in the Service and Repairs
section of Chapter 7 − Chassis).
6. Slide clutch from shaft. Locate and retrieve square
key.
Installation (Figs. 39 and 40)
1. Apply antiseize lubricant to stub shaft.
2. Position square key in stub shaft. Slide clutch onto
shaft making sure to engage clutch stop.
NOTE: Hold coupler on front of engine to prevent
crankshaft from turning when installing cap screw that
secures clutch to stub shaft.
3. Apply Loctite #242 (or equivalent) to threads of cap
screw. Secure clutch to shaft with spacer and cap screw.
4. Install clutch stop components using Figure 39
(Groundsmaster 3280−D) or Figure 40 (Groundsmaster
3320) as a guide. Make sure that clutch stop is tight
against clutch flange.
5. Check alignment between clutch pulley and P.T.O.
shaft pulley (see Align P.T.O. Pulley to Electric Clutch
Pulley in Service and Repairs section of Chapter 9 −
P.T.O. System).
6. Install P.T.O. belt to clutch and P.T.O. shaft pulley and
adjust P.T.O. belt tension (see Traction Unit Operator's
Manual).
7. Connect clutch to machine wire harness.
Electrical System
Antiseize
Lubricant
10
11
1
1. Cap screw
2. Spacer
3. Electric clutch
4. Square key
5. Stub shaft
6. Flange head screw
Loctite #242
2
1
3
Antiseize
Lubricant
1. Cap screw
2. Spacer
3. Electric clutch
4. Stub shaft
5. Gasoline engine
Page 6 − 32
9
3
6
5
4
2 7
Loctite #242
Figure 39
7. Clutch stop
8. Flange nut
9. Diesel engine
10. PTO pulley
11. PTO belt
9
8
6
7
4
Figure 40
6. Mounting bracket
7. Square key
8. Clutch stop
9. Flange head screw
Groundsmaster 3280−D/3320
8
5