Maintenance work on the superstructure
8.4 Slewing gear
8 - 20 3 302 574 en Maintenance manual
GMK3060
03.11.2017
Draining oil
• Remove the plate (2).
• Place a receptacle under the screw (1).
• Unscrew the filter (4) and screws (3) and (1).
• Drain the oil.
• Replace the gasket and screw the screw (1)
back in.
Topping up the oil
• Top up the oil through the filler neck (4) until
oil is visible in the sight glass (5).
• Replace the gasket and screw the screw (3)
back in.
• Screw the filter (4) in.
• Fasten the plate (2).
Checking the oil Check the old oil drained from the slewing gear transmission for abrasion
particles or have it tested in a labora
tory.
• Pour the waste oil through a clean filter mat.
• Examine the oil or 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 remove
d for an inspection and inspected by the
manufacturer.
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