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7.1 WHEELS AND AXLE
The wheels are bolted directly to the axle shaft. To
remove the wheels, loosen the bolt and nut. Push the
bolt out and slide the wheel hub off of the axle.
To remove the axle,
1. Place the unit in the Upright Service Position.
2. Remove both wheels.
3. 724 Models- Remove bolt and nut from the gear
and slide axle out.
824 Models - Drive out roll pins from both sides of
the gear. Slide the axle to the right and remove
gear. Remove the key and slide the axle out.
4. Reassemble in reverse order.
7.2 SPROCKET AND CHAIN - 824 MODELS
ONLY
The 824 models have a reduction sprocket driven by
the friction wheel hex shaft (Figure 15). This shaft is
removed to change the chain and to provide clearance
for inspection.
To remove the pinion and pinion shaft:
1. Place unit in the Upright Service Position.
2. Remove wheels.
3. Drive the two roll pins out of the shaft. Note the
location of the washers at the pinion gear.
4. Slide pinion shaft out the right hand side.
5. Remove chain and pinion gear.
6. When reassembling the pinion shaft be certain the
roll pins are properly installed. The roll pin away
from the gear must be seated in the notches in the
frame.
SECTION 7 - REDUCTION DRIVE
1. Hex Bolt (724 Models only)
2. Woodruff Key (824 Models only)
3. Locking Top Nut (724 Models only)
4. Roll Pin (824 Models only)
5. Axle Shaft
6. Bushing
7. Gear
Figure 14
1
2
3
4
5
6
7
6
1
2
3
4
5
6
7
1. Roller Chain
2. Hydraulic Drive Fitting
3. Bushing
4. Sprocket Assembly
5. Washer
6. Pinion Shaft
7. Roll Pin
Figure 15