MacDon M155 2022 - Gearbox; Checking Lubricant Level and Adding Lubricant

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5.9.7 Gearbox
The gearbox’s lubricant will need to be inspected and changed from time to time, according to the intervals specified in the
maintenance schedule.
Checking Lubricant Level and Adding Lubricant
The gearbox’s lubricant level can be inspected through the check plug port. Lubricant can also be added through this port.
CAUTION
Park on a flat, level surface with the header on the ground, the ground speed lever (GSL) in the N-DETENT position, and
the steering wheel in the locked position (centered). To confirm that the parking brake is engaged, wait for the cab
display module (CDM) to beep and display the message IN PARK.
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.
Check the lubricant level every 50 hours as follows:
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Figure 5.110: Gearbox Lubricant Check Plug
1. Park the windrower on level ground.
2. Shut down the engine, and remove the key from the
ignition.
3. Remove check plug (A). The lubricant should be visible
through the hole.
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Figure 5.111: Gearbox Breather Cap
4. To add lubricant:
a. Remove breather cap (A). Pour lubricant through the
filler neck until it runs out of the check port. To refill
the gearbox completely, add approximately 2.1 liters
(2.2 US quarts) of lubricant.
b. Replace the check plug and the breather cap and
tighten them.
c. Start the engine.
d. Allow the engine to operate at low idle while you
inspect the gearbox for potential lubricant leaks.
e. Shut down the engine, and remove the key from the
ignition.
MAINTENANCE AND SERVICING