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5.7.3 Checking Hydraulic Oil
Hydraulic oil is used to transmit force under high pressure. The oil also lubricates, cools, and cleans the system, thus the
cleanliness and quality of the oil is highly important to ensure long system life. It is extremely important to avoid
contamination when service and regular maintenance is performed.
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.
WARNING
Avoid high-pressure fluids. Escaping fluid can penetrate the skin causing serious injury.
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.
Figure 5.54: Hydraulic Oil Sight Glass
3. Locate the sight glass (A) on the right side of tank. It
indicates the oil level and any signs of contamination.
NOTE:
No oil in the sight glass indicates that oil level is below the
add mark on the dipstick. The sight glass is viewable with
hood open or closed.
4. Ensure hydraulic oil level is between the low and full
indicator marks.
5. If more oil is required to maintain the level between low
and full indicator marks, refer to 5.13.3 Filling Hydraulic Oil,
page 340.
MAINTENANCE AND SERVICING
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