309404
6
Tire and Wheel Motors
Hydraulic System Purging
Follow this procedure after replacing any hydraulic com-
ponents:
1.
Set Line Driver on blocks so wheels are off
ground.
2.
Fill oil reservoir to top of baffle.
3.
Open drive wheel release two turns.
4.
Start engine and run at low rpm.
5.
Slowly move motion control pedals in forward and
reverse directions 10 times.
6.
Check oil level and top off to top of baffle.
7.
Close drive wheel release and repeat step 5.
8.
Increase speed. Move pedals to see if wheels turn
freely.
9.
Check oil level. Top off to top of baffle.
Tire
Removal
1.
Fig. 3. Set Line Driver on blocks so wheels are off
ground.
2.
Remove four lug nuts (22) and tire (16).
Installation
1.
Repair tire and install lug nuts. Alternately tighten
lug nuts opposite of each other.
2.
Tilt Line Driver back and remove blocks.
22
Fig. 3
16
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Wheel Motors
Removal
1.
Fig. 3. Set Line Driver on blocks so wheels are off
ground.
2.
Remove four lug nuts (22a) and tire (16).
3.
Remove pin (56), caster nut (21b) and wheel hub
(22b). Wheel hub (22b) may require a wheel puller;
not supplied by Graco.
4.
Disconnect two hydraulic hoses (112) from wheel
motor (21a). Elevate hose ends and plug.
5.
Remove four bolts (78), lock nuts (79) and wheel
motor (21a).
Installation
1.
Install wheel motor (21) with four bolts (78) and
lock nuts (79) .
2.
Connect two hydraulic hoses (112) to wheel motor
(21).
3.
Install wheel hub (22), caster nut (21), and pin
(56).
4.
Install tire (16) with four lug nuts (22).
112
16
56
22b
Fig. 4
21a
22a
21b
78, 79
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