Ramp Button Replacement (Fig. 15)
Remove drive belt from the driven clutch (see Drive
4. Measure spring torsion.
1.
A. Pull spring tension scale tangentially to the outer
diameter of the moveable sheave.
Belt Service).
2.
tions so buttons are separated sufficiently enough from
the ramp to allow removal.
Turn fixed and moveable sheaves in opposite direc-
B. When the button on the ramp of the moveable
sheave is 0.125” (3.18 mm) from the ramp of the
fixed sheave, read the scale.
3.
Place small block of wood between the outer ramps
C. The reading should be 16 to 20 lbf (71 to 89 N).
to keep the ramps apart.
5.
If the above specification is not met, replace the driv-
en clutch.
CAUTION
6.
Install drive belt to the driven clutch (see Drive Belt
Service).
To prevent burns when heating, hold allen
wrench with locking pliers.
4.
Clamp long end of a 2 mm allen wrench with locking
pliers. Heat short end of the allen wrench until it is red
hot.
5
1
5.
the button melts around the end of the wrench. Hold
wrench in place until the button hardens.
Insert hot end of the allen wrench into the button so
2
6.
ton from the ramp.
Pull and twist on the allen wrench to remove the but-
3
4
NOTE: If the new button is difficult to install, sand its
mounting tab as necessary. If the button is loose, apply
Loctite #242 (or equivalent) on its mounting tab.
Figure 15
7.
with a screw driver by prying against the ramp.
Install new button to ramp. Push button in straight
1.
2.
3.
Moveable sheave
Drive belt
Button
4.
5.
Ramp (fixed sheave)
Fixed sheave
8.
9.
Remove and install remaining buttons.
Install drive belt to the driven clutch (see Drive Belt
Service).
Check Driven Clutch Spring Torsion (Fig. 15)
1.
Place transaxle in gear to prevent the fixed sheave
from moving.
2.
Remove drive belt from the driven clutch (see Drive
Belt Service).
IMPORTANT: Use protective strips of soft metal
when clamping the moveable sheave with locking
pliers to prevent damage to the sheave.
3.
Clamp moveable sheave with locking pliers.
Multi Pro 1200/1250
Page 7 – 15
Drive Train
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Multi Pro 1200, Toro Multi Pro 1250 |
| Download File |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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