WHEEL PINION CLUTCH
2.
Remove the special retaining clip at the end of the
output shaft and pull off the following six wheel
pinion clutch components:
6. Press the needle bearing and the oil impregnated
bushing from the pivot arm using an arbor press.
•
•
•
•
•
•
Spring
7. Removal of the grease fitting is not recommended
because it is pressed in. However, if damaged or
lost, we suggest tapping and installing a threaded
grease fitting.
Internally tabbed thrust washer
Wheel pinion
Wheel pinion key
Clutch washer
Friction ring
8. If the spring arm knob requires replacement, push in
on the detent tab, then pull the knob straight off.
3.
Remove the inner special retaining clip from the
output shaft and remove the following components:
Note: The detent rivet is not replaceable.
•
•
•
•
Internally tabbed thrust washer
Externally tabbed thrust washer
Pivot arm and spring arm assembly
End cap (if desired)
Rear Height-of-Cut and Wheel Pinion Clutch
-
Assembly
4.
5.
Check all components at this time for damage and
wear. Pay particular attention to the grooves at
the end of the output shaft, the bearing surfaces
on the output shaft, and the wheel pinion clutch
components. Replace parts as necessary.
1.
Pack the caged needle bearing with grease, then
press into the outside of the pivot arm until it is flush
with the groove that houses the externally tabbed
thrust washer.
Check the innermost groove on the output shaft
which is located 2-1/4” (5.7cm) in from the end of the
shaft; make sure that the O-ring seal is present and
intact. This seal is important to keep grease in and
contaminants out. Replace it (Item 6) if necessary
(Fig. 137). Some models do not have this O-ring.
2.
3.
Press the oil impregnated bushing into the boss on
the pivot arm until it is flush with the face of the boss.
If spring arm disassembly was required, install the
knob making sure that the detent is pressed out
about .060” (1.5mm). Install the spring arm knob so
that the concave side of the knob and the convex
side of the rivet align.
Fig 137
gearcase wheel assy 2
WPM Drive Systems Manual
5-5
| Categories | Lawn Mower Manual, Lawn-Boy Lawn Mower Manuals, Toro Lawn Mower Manual |
|---|---|
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| 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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