Maintenance work on the superstructure
8.7 Slewing gear
13.02.2018
Maintenance manual 3 302 719 en 8 - 51
GMK6300L-1
Draining oil
• Remove the plate (1).
• Place a receptacle under the screw (2).
• Unscrew the filter (4) and screws (3) and (2).
• Drain the oil.
• Replace the gasket and screw the screw (2)
back in.
Topping up oil
• Top up the oil through the filler neck (4)
until oil is visible in the sight glass (5).
• Replace the seal and screw in the plug (3)
and the filter (4).
• Replace the plate (1).
Checking the oil Check the waste oil that was drained from the slewing gears for abrasion
particles, or have it tested at a laborator
y.
• Pour the waste oil through a clean filter mat.
• Examine the oil, i.e. the residues on the filter mat using a magnifying
glass.
If you find abrasion particles or solid materials on the mat, the slewing
gear transmission must be rem
oved and inspected by the manufacturer.