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10.6 IDLER PULLEY
To remove the idler pulley:
1. Loosen the two jam nuts on the idler rod enough to
remove the belt.
2. Loosen and remove the hex bolt that holds the idler
arm.
3. Inspect the bushings for wear and replace if
needed.
4. Inspect the pulley for wear.
5. Reassemble in reverse order.
10.7 WHEEL AND HUB REMOVAL
1. With the unit against a wall, jack the rear of the unit
to raise the wheels off the ground. Use caution not
to jack against the hydraulic filter.
2. Remove the lug nuts holding the rim to the hub.
3. Remove the cotter key on Models 991007 and
991008 and loosen the nut a couple of turns.
4. On Models 992013, 992014, 992015 and 992016
use a gear puller to pull the hub loose from the
tapered shaft. Remove the castle nut and washer.
Slide hub off.
5. Inspect hub bore, woodruff key and shaft for any
wear or damage. Replace as needed.
10.8 WHEEL INSTALLATION
NOTE: Use steel wool or fine sandpaper to remove
any rust or paint from the motor shaft or wheel bore
taper.
1. Mark end of shaft to indicate where cotter key hole
(if used) is located.
2. Install key and slide hub on shaft.
3. Install the washer and nut.
4. Using a torque wrench tighten the nut to 130 ft-lbs
(176 Nm). If applicable, stop and check for line up
of castle nut and cotter key hole. If needed,
increase the torque to line up the hole.
5. Install cotter key, wheel and lug nuts.
6. Check the tire pressure.
CAUTION: It is not recommended to torque
castle nut over 150 ft-lbs (203 Nm). NEVER
LOOSEN CASTLE NUT TO ALIGN HOLE.
Figure 22
1. Hub Assembly
2. Woodruff Key
3. Disc Brake Hub
4. Square Key
Models 992013,014,015,016
Models 991007, 008
1
2
3
4
PF0820
PR2030
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