Toro Sand Pro 5020 - Manual (Page 107)

8. Remove both socket head screws and lock nuts se-
curing the hydraulic motor the fork.
WARNING
Before jacking up the machine, review and follow
Jacking Instructions in Chapter 1 – Safety.
IMPORTANT: Support wheel and motor when jack-
ing up the front fork to prevent dropping and dam-
aging the motor.
9. Jack up fork slowly until the hydraulic motor and
flangettes can be removed from the fork. Remove flan-
gettes, spindle, wheel, and motor from the fork.
10. Slide flangettes and bearing assembly from the
spindle. Do not further disassemble flangettes and bear-
ing.
11. Remove four lug nuts from the drive studs. Remove
wheel from the drive studs and spindle. Separate
spindle from drive studs and wheel hub.
12. Lock wheel hub in a vice. Remove lock nut from the
shaft of the hydraulic motor. Pull motor shaft from hub.
Remove woodruff key from the motor shaft.
Installation (Fig. 29)
1. Lock wheel hub in a vice. Install woodruff key into
the hydraulic motor shaft. Slide motor shaft into hub and
secure with lock nut. Torque lock nut from 200 to 400 ft–
lb (27.7 to 55.3 kg–m).
2. Install spindle to drive studs and wheel hub. Insert
spindle and drive studs through wheel. Make sure valve
stem and hydraulic motor are on the opposite sides of
the wheel.
3. Secure lug nuts to drive studs. Torque nuts from 45
to 55 ft–lb (6.2 to 7.6 kg–m).
4. Slide flangette and bearing assembly onto the
spindle shaft so the locking collar faces the wheel.
5. Position hydraulic motor, wheel, and flangettes to
the front fork.
6. Lower front fork slowly making sure flangettes and
front wheel motor fit snugly into the fork.
A. Secure flangettes to the fork with cap screws,
bearing tab, and locknuts.
B. Secure hydraulic motor to the front fork with
socket head screws and lock nuts.
7. Lower fork completely. Make sure flangette and hy-
draulic motor are positioned correctly into the fork. Tight-
en fasteners properly.
8. Apply Loctite 242 or equivalent to both set screws.
Install set screws to locking collar. Torque set screws
from 65 to 80 in–lb (74.9 to 92.2 kg–cm).
9. Remove caps or plugs from disconnected hoses
and fittings
10. Install O–rings and 45 o hydraulic fittings to the hy-
draulic motor. Torque fittings from 72 to 80 ft–lb (9.9 to
11 kg–m).
11. Connect hydraulic hoses from 45 o hydraulic fittings.
torque hose connections from 25 to 30 ft–lb (3.5 to 4.1
kg–m).
12. Charge hydraulic system (see Charge Hydraulic
System).
Hydraulic Systems
Sand Pro 2020/3020/5020 Page 4 – 57 Hydraulic System (Rev. A)