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14 Dealer Service
32695 (Rev. 11/17/2006)
DEALER SERVICE
■ Lower mower to ground, turn tractor engine off
and remove ignition key before performing any
maintenance.
■ When completing a maintenance or service
function, make sure all safety shields are in good
condition and installed before placing mower in
service.
■ Always use personal protection devices such
as eye and ear protection when performing mainte-
nance functions.
The information in this section is written for dealer ser-
vice personnel. The repair described herein requires
special skills and tools. If your shop is not properly
equipped or your mechanics are not properly trained in
this type of repair, you may be time and money ahead
to replace complete assemblies.
SPINDLE INSPECTION
Spindles are equipped with two tapered roller bearings.
Adjustment is set by pressing a sleeve on the shaft
until all end play is removed. Adjustment is maintained
with a roll pin driven through the sleeve and shaft.
Periodically inspect blade spindles by grasping pulley,
moving from side to side and up and down. Also rotate
spindle. If end play or wobble is detected or if it feels
rough when rotated (indicating bad bearings), repair or
replace.
REMOVING SPINDLE FROM MOWER
Remove blade from spindle. Refer to Blade Removal
on page 12.
Remove belt shield and remove belt.
Disassemble split taper bushing (located on top of pul-
ley) by removing the two bolts and inserting them into
threaded holes. Tighten alternately to remove split
taper bushing.
Remove key and pulley.
Remove four spindle attaching bolts and remove spin-
dle.
SPINDLE REPAIR
Permatex 3D Aviation Form-A-Gasket
®
, or equivalent,
is recommended as a sealant.
For reference, the short cup chamber is on top.
Cups and cones are a press fit to minimize wear.
Figure 7. Spindle Repair
Disassembly
Drive roll pin out of sleeve and shaft.
Place spindle assembly in a press and press shaft
down through housing.
Remove seals from housing.
A WARNING
A CAUTION
1. Blade Spindle Assembly
2. Spindle Housing and Cups
3. Seal
4. Sleeve
5. Bearing Cone
6. Bearing Cup
7. Grease Fitting
8. Spindle Shaft
9. Roll Pin