Manitowoc Grove GMK 5200-1, Maintenance Manual

Page: 244 / 346

Maintenance work on the superstructure
8.4 Slewing gear
8 - 20 3 302 746 en Maintenance manual
GMK5200-1
0
9
.0
3.
201
8
Draining oil
•
Remove the plate ( 1 ).
•
Place a container under the screws ( 2 ).
•
Unscrew the filter ( 4 ) and screws ( 3 ) and ( 2 ).
•
Drain the oil.
•
Replace the gasket and tighten the
screws (
2 ).
Topping up oil
•
Top up the oil through the filler neck ( 4 )
until oil is visible in the inspection
glass (
5 ).
•
Replace the gaskets and tighten the
screw (
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 laboratory.
•
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 removed and inspected by the manufacturer.