Pump Drive Electric Clutch Service - Toro Multi Pro 1200 Service Manual

6. Remove cap screw, lock washer and clutch retainer
that secure clutch to pump drive gearbox shaft.
7. Remove shoulder bolt that secures clutch leg to
pump drive gearbox (Fig. 37).
8. Slide electric clutch from pump drive gearbox. Lo-
cate and remove spacer (item 18) from gearbox shaft.
Note that spacer groove fits around retaining ring on
gearbox shaft.
Installation (Fig. 36)
1. Apply antiseize lubricant to pump drive gearbox
shaft. Make sure that retaining ring on gearbox shaft is
fully seated in shaft groove.
2. Place spacer (item 18) onto gearbox shaft. Make
sure that spacer groove fits around retaining ring on
shaft.
3. Align key in clutch with key slot in gearbox shaft and
align mounting leg of clutch to threaded hole in gearbox.
Slide clutch onto gearbox shaft.
4. Install shoulder bolt through leg of clutch and into
gearbox (Fig. 37). Tighten shoulder bolt. After shoulder
bolt is tightened, make sure that leg of clutch does not
bind on bolt.
5. Install cap screw, lock washer and clutch retainer to
secure clutch to gearbox shaft. Torque screw from 27 to
30 ft- -lb (37 to 40 N- -m).
6. Connect clutch wire connector to machine wire har-
ness.
IMPORTANT: If pump drive coupler components
were disassembled, make sure that pump hub
flanges and drive coupler are assembled at right
angles (90 degrees) to each other (Fig. 38).
7. Position drive coupler assembly (with all rubber cou-
plings and clutch adapter) between pump hub and elec-
tric clutch.
8. Make sure that two (2) spacers (item 16) are posi-
tioned between clutch adapter (item 17) and electric
clutch. Secure clutch adapter to clutch with two (2) lock
nuts.

Pump Drive Electric Clutch Service

NOTE: For clutch electrical testing information, see
Pump Drive Electric Clutch in the Components section
of this chapter.
Multi Pro 1200/1250
9. Secure rubber coupling to pump hub (item 23) with
spacers, flat washers, cap screws,and lock nuts. Make
sure that cap screw threads extend fully through lock
nuts.
6
1. Shoulder bolt
2. Electric clutch
3. Spacer
1. Drive coupler
The pump drive electric clutch used on the Multi Pro has
sealed, non--serviceable bearings. If clutch bearing fail-
ure occurs, clutch replacement is necessary.
Page 5 - - 23
1
5
4
3
Figure 37
4. Retaining ring
5. Pump drive gearbox
6. Driven clutch
2
Figure 38
2. Pump hub
Electrical System
2
1