Troubleshooting Guide
Hydraulic Problems
4
4-6
HDSdoc041118
Troubleshooting Guide
4.4
Hydraulic Problems
PROBLEM
CAUSE
SOLUTION
You Can Actuate Any
Hydraulic Handle, But Get No
Response From The Pump.
Carriage not positioned
properly to provide power to
the pump
Make sure carriage contact
bracket is adjusted far enough
forward for battery positive contact
to touch 6ft. strip on main tube.
Check contact and strip for tarnish
or loose wires. Clean as
necessary
Hydraulic feeder does not
work
Turn on the power switch on the
front side of the electric box
mounted on the front side of the
hydraulic box. Check whether the
power is on (in position “1”)
Check whether the key switch is in
ACC position
Disconnect the plug on the left
side of the electric box and
change the phases using a
screwdriver
Check whether the emergency
switch is off
One phase lacks power
Check fuses in the electric
connenctor
Pump motor relay damaged
Have a qualified electrician
change it
Hydraulic pump motor is
overheated
Let the motor cool. When the
motor is off, reset the thermal
motor breaker located in the
electric box monted in the
hydraulic box
The hydraulic feeder works
despite the release of the
hydraulic control lever
Standard situation.
Hydraulic
feeder assembly should keep
working for 5-8 seconds after the
hydraulic lever is released (in the
neutral position)
Poor ground connection
Check ground connection
between pump and saw frame.
Check contact and rail for tarnish
or loose wires. Clean as
neccesary
Blown fuse
Replace
Defective pump motor
Remove motor from pump and
inspect. Repair or replace as
necessary
