4.
wheel motor. Allow hoses to drain into a suitable con-
tainer.
Disconnect hydraulic lines from fittings on front
Installation (Fig. 35)
If fittings were removed from wheel motor, install fit-
tings with new o–rings to motor using marks made dur-
ing the removal process to properly orientate fittings.
1.
5.
Put caps or plugs on disconnected lines and fittings
to prevent contamination.
2. Thoroughly clean wheel motor shaft and wheel hub
taper.
6.
Remove front wheel from machine (see Front Wheel
Removal in the Service and Repairs section of Chapter
– Chassis). Separate wheel motor and wheel hub from
front wheel and spindle.
3.
Lock wheel hub in a vise. Install woodruff key into the
6
wheel motor shaft. Slide motor shaft into hub and secure
with lock nut. Torque lock nut from 200 to 400 ft–lb (271
to 542 N–m). Remove wheel motor and hub from vise.
7.
Secure wheel hub in a vise. Loosen but do not re-
move lock nut that secures wheel hub to wheel motor.
4.
Install wheel motor, spindle and front wheel to ma-
IMPORTANT: DO NOT hit wheel hub, wheel hub
puller or wheel motor with a hammer during wheel
hub removal or installation. Hammering may cause
damage to the wheel motor.
chine (see Front Wheel Installation in the Service and
Repairs section of Chapter 6 – Chassis).
5.
Remove caps or plugs from disconnected hydraulic
lines and fittings.
8.
hub from wheel motor.
Using hub puller (see Special Tools), loosen wheel
6.
Position new o–rings and connect hydraulic lines to
fittings on front wheel motor. Use labels placed during
the removal process to properly install hoses to wheel
motor.
9.
lock nut and hub from motor shaft. Locate and retrieve
woodruff key.
Remove wheel hub and motor from vise. Remove
7.
Check and adjust oil level in hydraulic tank (see Op-
10.If
hydraulic fittings are to be removed from motor,
erator’s Manual).
mark fitting orientation to allow correct assembly. Re-
move fittings from motor.
8.
system (see Charge Hydraulic System in this section).
Operate machine functions slowly until air is out of
Sand Pro & Infield Pro 3040/5040
Page 4 – 43
Hydraulic System
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