Groundsmaster 4300--DHydraulic System Page 4 -- 78
6. Install new lock nut (item 17) onto the wheel motor
shaft to secure wheel hub to motor shaft.
7. Remove caps or plugs from disconnected hydraulic
lines and fittings.
8. Lubricate and position new O--rings to fittings on
wheelmotor. Uselabels placed duringthe removalpro-
cesstoproperlyinstallhydrauliclinestowheel motorfit-
tings (see Hydraulic Hose and Tube Installation in the
General Information section of this chapter).
9. Secure brake cable clevis to brake actuator lever
with clevis pin and brake return spring. Make sure that
returnspringisattachedtocapscrewonspringbracket.
10.Install front wheel to machine (see Front Wheel
Installation in the Service and Repairssection of Chap-
ter 6 -- Chassis).
11.Lower machine to ground.
12.Torque lug nuts evenly in a crossingpatternfrom 70
to 90 ft--lb (95 to 122 N--m). Torque wheel hublock nut
(item 17) from 315 to 385 ft--lb (427 to 521 N--m).
13.Check and adjust oil level in hydraulic tank.
14.Operate machine functions slowly until air is out of
system(see HydraulicSystemStart--upin thissection).
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