Manitowoc MLC165-1 - Swing Gearbox; Gear Oil Specifications; Oil Analysis; Periodic Maintenance

Reference Only
SWING SYSTEM MLC165-1 SERVICE/MAINTENANCE MANUAL
6-6
Published 05-26-17, Control # 238-02
SWING GEARBOX
The swing gearbox (Figure 6-4) is filled with gear oil.
Maintenance consists of periodically checking the level and
changing the oil.
Gear Oil Specifications
For gear oil specifications, see the Lubrication Guide
supplied with the crane.
Oil Analysis
An oil analysis program is the best way to determine the
optimal oil change interval and the condition of the swing
gearbox.
Periodic Maintenance
Daily
Check the swing gearbox oil level every 8 hours of operation
or daily, whichever comes first. The oil should be at the
middle of the sight glass (1). If necessary add oil through the
fill port (3).
Initial Operation
Drain and refill the swing gearbox after the first 200 hours of
operation.
Every 40 Hours or Weekly
Clean the swing gearbox breather (2) every 40 hours of
operation or weekly, whichever comes first.
• Remove the breather.
• Soak the breather in non-flammable solvent and blow it
clean and dry with compressed air.
• Reinstall the breather.
Every 6 Months or 1,000 Hours
Drain and refill the swing gearbox every 1,000 hours of
operation or 6 months, whichever occurs first.
Figure 6-4. Swing Drive
Item Description
1Sight Glass
2 Breather
3 Fill Port
4Dust Cap
5 Quick-Drain Valve
(access under rotating bed)