Manitowoc Grove GMK 5250L Maintenance Manual page 273

Draining oil
O
Topping up the oil
S
Maintenance manual
GMK5250L
Risk of environmental damage due to leaking consumables.
Use the supplied connecting piece and hose and a receptacle with sufficient
capacity to drain the hydraulic oil.
Risk of damage to the hydraulic system.
Cleanliness is of the utmost importance when handling hydraulic oil.
Even fresh hydraulic oil must be filtered before it is added to the tank.
3 302 744 en
Maintenance work on the superstructure
•
Place a receptacle underneath the valve.
•
Screw the connecting piece and hose onto
the valve (1) and drain the oil;
the valves , p. 7 - 112.
•
Change the filters;
•
Remove the cap (1) and the filter (2).
•
Add new oil via the filler neck (3) through a
filter until the level reaches the centre of the
inspection glass (4).
•
Tighten the cap and filter.
8.6 Hydraulic system
à
Handling
à
p. 8 - 39.
s
8 - 45