Toro Multi Pro 1200 - Page 179

Multi Pro 1200/1250 Page 7 -- 17 Drive Train
IMPORTANT: When removing driven clutch, note
quantity of washers (item 5) that exist on gearbox
shaft. Washers are used to align drive and driven
clutch pulleys.
5. Pull driven clutch fromthepumpdrive gearbox input
shaft.Locateandretrievewasher(s)(item5)andspacer
(item 6) from input shaft.
Driven Clutch Service (Fig. 17)
1. Use a s uitable press to compress the clutch spring
enough to allow removal of the retaining ring.
2. Remove retaining r ing.
3. Carefully, allow the spring to extend fully.
4. Remove outer spring retainer, spring and inner
spring retainer from clutch.
5. Make note ofthe“X” mark cast into the fixed sheave
and moveable sheave before removing the moveable
sheave.These marks mustbealigned duringassembly
for proper clutch operation.
6. Separate the clutch sheaves. Locate and retrieve
thrust washer.
7. Clean and inspect driven clutch components:
A. Clean all dust and debris from clutch compo-
nents. If necessary, use contact or brake cleaner to
remove any oil or other lubricants from clutch com-
ponents.
B. Inspect the spring and replace if damaged or fa-
tigued.
C. Checktherollersinthefixedsheaveforbindingor
wear. If binding or uneven wear is found, replace
driven clutch assembly.
D. Check the contact surface of the s heaves for
wear and/or fraying. If wear or damage is found, re-
placedrivenclutchassembly.
8. Assemble the driven clutch in the reverse order of
disassembly. Make sure that the “X” mark cast into the
fixed and moveable sheaves are aligned. Also, make
surethattheretainingringisfullyseatedingrooveafter
installation.
Driven Clutch Installation (Fig. 16)
IMPORTANT: For proper driven clutch operation,
DO NOT lubricate driven clutch components.
1. Apply antiseize lubricant to gearbox input shaft.
2. Place spacer (item 6) and then washer(s) (item 5)
onto input shaft. Make sure that number of washers
usedduringclutch installation isthesame as numberof
washers that were removed.
3. Position driven clutch to the gearbox input shaft.
Make sure pulley side of the clutch faces away from the
gearbox case.
IMPORTANT: The gearbox input shaft and lock nut
that secures the driven clutch have left hand
threads.
4. Secure driven clutch to the gearbox input shaft with
lock nut and flat washer.
5. Install CVT drive belt to the driven clutch (see CVT
Drive Belt Service in this section).
6. Installthespraytanktothemachine(seeSprayTank
Installation in the Service and Repairs section of Chap-
ter 6 -- Spray System).
1. Fixed sheave
2. Thrust washer
3. Moveable sheave
4. Inner spring retainer
5. Spring
6. Outer spring retainer
7. Retaining ring
Figure 17
2
3
6
1
5
7
4
Drive Train