LiuGong CLG835H, Service Manual

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Structure Function Principle
January 24, 2017
Monitoring system CLG835H
Parking brake power cut-off Switch
Test on pressure switch failures
1. Unplug the connector connected to pressure
switch in the rear frame harness;
2. Remove the pressure switch from the com-
plete machine;
3. Assess the action value of pressure switch
with pressure test bed, and its contact type is
normally closed with action value up to 6Mpa.
Parking brake button
This switch includes a button and two contact
modules (one is normally open, the other is nor-
mally closed). Press up the button, the normally-
closed contact (1,2) is active, the normally-open
contact (3,4) is inactive. When pressing down the
button, the normally-closed contact is in active
and normally-open contact active.
P18E00045
P18E00046
P18E00047