Ace AT Series - Lubrication AT24, AT36; Lubrication AT48, AT60, AT72

Section 8 – Maintenance
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Lubrication AT24, AT36
The gearbox utilized on the model AT24 and AT36 is lubricated-
for-life and does not require servicing of the lubricant.
Lubrication AT48, AT60, AT72
For optimum performance on the Model AT48,
AT60, AT72, the gearbox oil level should be
checked every month or 500 hours of operation.
To check the oil level, remove one of the upper oil
level plugs to verify the gearbox has a sufficient
level of oil. The oil should be drained and refilled
every six (6) months or 2500 hours with Mobil
600W Super Cylinder oil.
NOTE: Make sure to check the oil level on both
the primary and secondary gearboxes.