Hydraulic And Brake Systems, Depressurizing - Kalmar DRF420-60S5 Maintenance Manual

page –
The above illustration shows closed valve.
B Safety – Safety instructions

Hydraulic and brake systems, depressurizing

1 Machine in service position.
2 Depressurize the hydraulic system.
3 Turn the start key to position 0 and turn off the main electric
4 Depressurize the attachment.
Maintenance manual DRF 400–450
https://www.forkliftpdfmanuals.com/
Turn the start key to position I and activate extension out, a dis-
tinct hissing sound is heard if there is pressure in the hydraulic
system. Activate lift, extension and sideshift several times.
power.
Open the relief valve top lift.
5
UDRF01.04GB