Caster Pivot Bearings Pre-Load Adjustment; Clutch Shim - Exmark Frontrunner 4500-497 Operator's Manual

Exmark mfg. co. inc. zero-turn riding mower operator's manual
Table of Contents

Advertisement

Figure 16
Right-Hand Side of Unit Shown
1. Re-install spring in outer
holes to reduce spring
tension.
2. Weight transfer spring.
7. Re-install the left fender.
8. For additional weight transfer adjustment, repeat
steps 4 through 7 on the right side of the unit.
Caster Pivot Bearings
Pre-Load Adjustment
Remove dust cap from caster and tighten nyloc nut
until washers are flat and back off 1/4 of a turn
to properly set the pre-load on the bearings. If
disassembled, make sure the spring disc washers are
reinstalled as shown in Figure 17.
Figure 17
1. Spring disc washers
3. Remove e-ring and
washer.

Clutch Shim

Some later model year units have been built with
clutches that contain a brake shim. When the clutch
brake has worn to the point where the clutch no
longer engages consistently, the shim can be removed
to extend the clutch life.
1. Armature
2. Field shell
3. Rotor
4. Brake mounting bolt
Removing the Shim:
1. Stop engine, wait for all moving parts to stop,
and remove key. Engage parking brake. Allow
the machine to cool completely before starting
these instructions.
2. Using a pneumatic line, blow out any debris
from under the brake pole and around the brake
spacers.
35
Maintenance
Figure 18
5. Brake spacer
6. Re-gap shim
7. Brake pole
Figure 19

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Frontrunner

Table of Contents