MacDon R80 Rotary Disc Pull-Type Windrower - Manual (Page 108)

MAINTENANCE/SERVICE
Form # 169053
106
Model Year - 2009
7.10.5 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.
7.10.5.1 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.
7.10.5.2 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.
7.10.6 Hoses and Lines
Check hydraulic hoses and lines daily for signs
of leaks.
WARNING
Avoid high-pressure
fluids. Escaping fluid
can penetrate the skin
causing serious injury.
Relieve pressure before disconnecting
hydraulic lines. Tighten all connections
before applying pressure. Keep hands and
body away from pin- holes and nozzles
which eject fluids under high pressure.
If ANY fluid is injected into the skin, it must
be surgically
removed within a
few hours by a
doctor familiar with
this type of injury or
gangrene may
result. Use a piece
of cardboard or
paper to search for
leaks.
IMPORTANT
Keep hydraulic coupler tips and
connectors clean. Dust, dirt, water and
foreign material are the major causes of
hydraulic system damage. DO NOT
attempt to service hydraulic system in the
field. Precision fits require WHITE ROOM
CARE during overhaul.
E
B
A
C
D
16 FT SHOWN – 13 FT SIMILAR