Toro Multi Pro 1200 - Pump Drive Electric Clutch Service

Multi Pro 1200/1250
Page 5 -- 23
Electrical System
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 s pacer (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 shaftand
alignmountinglegofclutchtothreadedholeingearbox.
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
secureclutchtogearboxshaft.Torquescrewfrom27 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. Positiondrivecouplerassembly(withallrubbercou-
plingsandclutchadapter)betweenpumphub andelec-
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.
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.
1. Shoulder bolt
2. Electric clutch
3. Spacer
4. Retaining ring
5. Pump drive gearbox
6. Driven clutch
Figure 37
2
3
1
5
4
6
1. Drive coupler 2. Pump hub
Figure 38
2
1
Pump Drive Electric Clutch Service
NOTE: For clutch electrical testing information, see
Pump Drive Electric Clutch in the Components section
of this chapter.
ThepumpdriveelectricclutchusedontheMultiProhas
sealed,non--serviceablebearings.Ifclutchbearingfail-
ure occurs, clutch replacement is necessary.
Electrical
System