MacDon R85 Rotary Disc 13 Foot - Manual (Page 100)

MAINTENANCE AND SERVICING
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98
Revision C
7.6.4 Hydraulic Motor
The main drive hydraulic motor does not require
normal maintenance or servicing. If repairs are
required, it should be removed and serviced at
your Dealer.
7.6.4.1 Removal
DANGER
Stop engine, and remove key from ignition
before leaving Operator's seat for any reason.
A child or even a pet could engage an idling
machine.
a. If machine is connected to the tractor, lower
header to ground, turn off engine, and remove
key.
b. Disconnect case drain hose (A) from motor (B),
and install caps on hose end and motor port.
c. Disconnect pressure and return hoses at threaded
fittings (C). Do NOT remove bolted fittings. Install
caps and plugs on open fittings.
d. Remove four bolts (D), and remove motor.
e. Cover gearbox opening (E) with a rag or plastic.
7.6.4.2 Installation
a. Remove covering from gearbox (E) opening.
b. Place motor (B) on gearbox (E) flange. See
illustration opposite.
c. Install four bolts (D). Torque to 103 ft·lbf
(140 N·m).
d. Remove caps from motor ports and hoses, and
re-connect hoses to motor.
E
A
B
D
C