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2.
Replace gear oil in all gearboxes after the first 50 hours of operation then yearly.
3.
Check gearbox oil levels frequently.
4.
Procedure for refilling a gearbox:
•
Park unit on level surface.
•
Remove the drain plug from underside of gearbox and drain oil.
•
Reinstall drain plug
•
Remove the vent plug and Level Plug. (Level Plug located in the middle of the Gear Case)
•
Refill the Gearbox until oil runs out of the Level Plug hole.
Capacity is approximately 0.75 liters (.075 qt) for Gearbox #330-425
•
Reinstall vent plug and Level Plug. Dispose of old oil in accordance with the local regulations.
5.
If the fan must be removed from the gearbox, antiseize must be added to the shaft prior to installation.
6.
Gear case oil should meet the following specifications:
API Service Classifications GL 5
Military Specification MIL L 2105C
Consult the following chart for the oil viscosity recommendations:
SBX-75/87 04/19
© 2019 Alamo Group Inc.
MAINTENANCE
Maintenance Section 5-5
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