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8. Grease the fitting on the carrier frame castor hub using
No. 2 general purpose lithium base or molybdenum
base grease.
2
1
2
Figure 72
1. Carrier Frame Castor Hub
Replacing Idler Arm Bushings
There are idler arms for the blower belt, PTO belt and
traction belt. All three idler arms have pressed in bushings.
To check the bushings, move the idler arms side-to-side and
examine for wear. If the idler arms are loose, the bushings
are worn and must be replaced.
1. Disengage the power take off (PTO) and turn the
ignition key to off. Remove the key.
2. Remove tension on idler arms and remove belt from the
idler. See one of the following figures 73, 74 or 75 that
shows the idler you are checking.
3. Inspect the idler pivot pin assembly for wear and
replace if necessary. To check the bushings, move the
idler arms side-to-side and examine for wear.
4. If the idler arms are loose, the bushings are worn and
must be replaced. Remove the hardware securing the
idler pivot arm to the mower.
5. Insert a pin punch into the idler arm and carefully drive
out the bushings (Figures 73, 74 or 75). Clean the inside
of the idler arm.
6. Use a hammer and flat plate to carefully drive new
bushings into the idler arm (Figures 73, 74 or 75).
7. Install the idler arm back onto the machine.
Note: Grease the PTO idler arm using No. 2 general
purpose lithium base or molybdenum base grease.
8. Install the belt back onto idler pulley.
m–3282
2. Bushing
40
4
6
1
7
3
2
Figure 73
1. Pump Idler Pulley
2. Idler arm
3. Bushing
4. Nut
5. Bolt
4
2
1
m–5298
Figure 74
1. PTO Idler and pulley
2. Bushing
3. Bolt
10
9
5
8
m–5299
6. Washer
7. Spacer
8. Shoulder bolt
9. Spring
10. Traction Belt
6
3
5
4. Nut
5. Spacer
6. Spring
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