Inspection
2
1.
Inspect the tapered ends of the crankshaft and pri-
mary fixed sheave for scratches. If either is severely
scratched, replace component. If scratches are minor,
burnish the component with emery cloth.
2.
worn, replace all cam weights as a set (Fig. 11).
Check the contact surface of the cam weights. If
1
3.
replace all rollers as a set (Fig. 12).
Check the rollers. If binding or uneven wear is found,
Figure 11
1.
Cam weight
2.
Worn contact surface
4.
Clean pilot bolts and roller pins with 800 – 1000 grit
abrasive paper. If the chrome–plated surface of the bolts
or pins is scaled off, replace the damaged components.
2
3
5.
Check the contact surface of the movable sheave for
wear and/or fraying. If surface is worn/frayed, replace
component.
6.
Inspect the clutch spring and replace if damaged or
fatigued.
Assembly (Fig. 9)
1
1.
spider. Roller pins should be lubricated with Comet
Clutch Lube GP–730 A or equivalent.
If removed, install rollers, washers, and roller pins to
Figure 12
1.
2.
Roller
3.
Roller uneven wear
Weight contact surface
2.
Lubricate cam weights with Comet Clutch Lube
GP–730–A or equivalent. Make sure lubricant pene-
trates to pilot bolts by rotating and sliding the weights
side to side, or remove weights if needed to lubricate
properly. Assemble cam weights to moveable sheave as
follows:
2
1
1
A. Make sure the threads of the pilot bolts are clean
and dry. Apply Loctite #271 (or equivalent) to the
threads of each bolt.
2
3
IMPORTANT: To maintain the balance of the
clutch, all pilot bolts must be installed with their
threads pointing in a clockwise direction (Fig.
13).
1
2
B. Immediately install new lock nuts on the pilot
bolts. Tighten nuts until they just touch the sheave
casting. Never reuse lock nuts.
Figure 13
1.
2.
Pilot bolt
Pilot bolt threads
3.
Moveable sheave
3.
Apply Loctite #271 (or equivalent) to the threads of
the fixed sheave post.
4.
Install spider to the fixed sheave post using clutch
service tool kit (see Special Tools). Make sure to align
matchmark.
5.
Torque spider to 100 ft–lb (136 N–m).
6.
Position cover to clutch. Secure cover to the mov-
able sheave with cap screws. Torque cap screws from
to 100 in–lb (8.5 to 11.3 N–m).
Multi Pro 1200/1250
75
Page 7 – 13
Drive Train
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Multi Pro 1200, Toro Multi Pro 1250 |
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| Document Type | Service Manual |
| Language | English |
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