MacDon M155 2022 - Hydraulic Oil Cooler; Changing Hydraulic Oil

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Figure 5.183: Hydraulic Oil Levels
8. If necessary, add hydraulic oil to the reservoir. Refer to the
inside back cover of this manual for the hydraulic oil
specifications and the capacity of the hydraulic fluid
reservoir.
NOTE:
When the dipstick is showing low (L), approximately 4 liters
(1 US gallon) of oil is required to reach the full (H) mark.
IMPORTANT:
• Use new, good quality, prefiltered, clean hydraulic oil
• Exercise care to prevent debris from falling into the tank
9. Reinstall the dipstick and the filler cap. Turn the cap
clockwise until it is secure.
10. Close the hood. For instructions, refer to 5.3.2 Closing Hood
– Lower Position, page 317.
5.11.2 Hydraulic Oil Cooler
The hydraulic oil cooler is located inside the cooling box behind the radiator.
It should be cleaned daily with compressed air. For instructions, refer to Cleaning Cooler Box Components, page 376.
5.11.3 Changing Hydraulic Oil
The hydraulic oil should be changed according to the interval specified in the maintenance schedule.
DANGER
To prevent bodily injury or death from the 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 the windrower on a level surface.
2. Lower the header fully.
3. Shut down the engine, and remove the key from the ignition.
4. Open the hood to the highest position. For instructions, refer to 5.3.3 Opening Hood – Highest Position, page 317.
5. Place a clean container (at least 75 liters [20 US gallons]) under the drain at the bottom of the hydraulic oil reservoir.
MAINTENANCE AND SERVICING