Manitowoc Grove GMK 4100L-1 Maintenance Manual page 196

Maintenance work on the carrier
7.15 Hydraulic system
Handling the
valves
O
G
Draining oil
O
7 - 108
The valves can only be opened and closed using the connecting piece
and hose. The connecting piece is available in the toolbox.
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.
Danger due to escaping hydraulic oil
When the connecting piece is screwed on to the valve, the valve opens and
the hydraulic oil immediately flows out of the connecting piece. Holding it
by the connecting piece, place the hose into a suitable receptacle before
screwing on the connecting piece.
•
Fit the hose on to the connecting piece and put the other end of the hose
into a receptacle.
•
A – Remove the cap and screw the connecting piece and hose on to
the valve – the valve will open.
•
Drain the oil.
•
B – Remove the connecting piece and hose – the valve will close.
•
Screw the cap on to the valve.
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.
•
Place a receptacle underneath the valves.
•
One after the other, screw the connecting
piece and hose onto the valves (1) and (2);
à
Handling the valves , p. 7 - 108.
•
Change the filters;
3 302 364 en
à
p. 7 - 111.
Maintenance manual
GMK 4100L-1