Groundsmaster 4500--D/4700--D Page 6 -- 9 Axles, Planetaries and Brakes
3. Chockr earwheelsandjackupfrontofmachine(see
JackingInstructionsinChapter1-- Safety).Supportma-
chine with appropriate jack stands.
4. Remove front wheel assembly.
5. Remove hydraulic wheel motor (see Front Wheel
Motor Removal in the Service and Repairs section of
Chapter 4 -- Hydraulic System).
6. Remove brake assembly (see Brake Assembly Re-
moval in this section).
7. Supportplanetaryassemblytopreventitfromfalling.
Loosen and remove six (6) flange head screws that se-
cure planetary assembly to frame. Remove planetary
assembly from machine.
8. Remove and discard gasket (item 19). Make sure
that all gasket material is removed from both brake and
planetary assemblies.
Planetary Wheel Drive Installation (Fig. 5)
1. Position planetary assembly to machine. Install
flange head screws that secure planetary assembly.
Torque screws from 75 to 85 ft--lb (102 to 115 N--m).
2. Apply Loctite Gasket Sealant #2 (or equivalent) to
sealing surfaces of new gasket (item 19). Apply gasket
to brake assembly.
3. Install brake assembly to planetary (see Brake As-
sembly Installation in this section).
4. Installhydraulicwheelmotor(seeFrontWheelMotor
Installation in the Service and Repairs section of Chap-
ter 4 -- Hydraulic System).
Failure to maintain proper w heel lug nut torque
could result in failure or loss of wheel and may
result in personal injury.
WARNING
5. Install wheel assembly. Torque lug nuts from 85 to
100 ft--lb (116 to 135 N--m).
6. Lower machine from jack stands.
7. Make sure drain plug is installed in bottom of brake
assembly (Fig. 6). Fill planetary wheel drive/brake as-
sembly with SAE 85W--140 gear lube. Capacity is
approximately 16 oz. (0.47 l) per wheel.
8. Check for proper brake operation and adjust brake
cables if necessary.
1. Brake housing
2. Check plug
3. Drain plug
Figure 6
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Axles, Planetaries
and Brakes
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