MacDon M1170, Operator'S Manual, Page: 356 / 528

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Revision A
5.13.3 Filling Hydraulic Oil
WARNING
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.
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 5.3.1 Opening Hood, page 256 .
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A
Figure 5.128: Plug Handle
4. Turn plug handle (A) counterclockwise until loose and then
remove plug by pulling straight out.
NOTE:
When filling oil at a fast rate, the screen element in the fill
tube restricts the oil and makes it difficult for air to escape.
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A
B
Figure 5.129: Hydraulic Oil Tank
5. To improve oil fill rate through the screen, open the
breather cap (A) at the top of the tank to allow air to
escape.
IMPORTANT:
Whenever the breather cap is opened, clean the area and
take care to prevent debris from entering the tank through
the opening.
6. Add oil to maintain the level between the low and full
indicator marks. Refer to
5.1.3 Lubricants, Fluids, and
System Capacities, page 249 for hydraulic oil specifications
and quantity.
NOTE:
When the sight glass is showing LOW, approximately 4 liters
(1 US gallon) is required to reach FULL.
7. Reinstall plug, and turn plug handle (B) clockwise until plug
is secure.
8. Close breather cap (A).
9. Close the hood. Refer to 5.3.2 Closing Hood, page 257 .
MAINTENANCE AND SERVICING