Draining Hydraulic Oil - MacDon M1170 Operator's Manual

5.13.2 Draining Hydraulic Oil

Hydraulic oil should be changed every 2000 hours of operation or three years, whichever comes first.
DANGER
To avoid bodily injury or death from unexpected startup of the machine, always stop the engine and remove the key
from the ignition before leaving the operator's seat for any reason.
CAUTION
If machine is running, oil may be hot. Burns can result from contact with hot oil. This procedure can be performed when
the oil is cold, but first run the machine to stir the oil up before draining.
1. Park windrower on level ground and lower header and reel so that lift cylinders are fully retracted.
2. Stop the engine and remove the key.
3. Open the hood. Refer to
4. Place a container (at least 65 liters [17 US gallons] capacity) under drain at the bottom of the hydraulic reservoir to
collect the oil.
5. On the hydraulic oil tank, turn plug handle (A)
counterclockwise until loose, and then remove plug (this
will allow air to enter tank).
6. From beneath the windrower, locate hose (A) that connects
to the inlet manifold (B).
7. Remove hose (A) from the elbow fitting and allow hose to
drain into a clean container.
8. Once the tank is empty, reattach hose to elbow.
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MAINTENANCE AND SERVICING
5.3.1 Opening Hood, page 256.
Figure 5.124: Reservoir Plug
A
B
Figure 5.125: Inlet Manifold
338
A
Revision A