6.10
Pinto BT-POM 1212 - Revision 5
Trouble Shooting
Motor Valve Problems
PROBABLE CAUSE
1 Wiring incorrect.
1 Worn seat.
1 No power to valve.
2 Motor failure.
3 Valve clogged.
1 Valve jamming.
2 No power.
3 Valve clogged.
1 No power to valve.
2 Valve motor failed.
3 Dump-line blocked.
PROBLEM
A Boom line valve opens when it should be closed
and closes when it should be open.
B Water leaks past valve when valve is shut.
C Valve won't operate.
D Servo valve not regulating fl ow.
E Dump valve not releasing pressure in system
on shut-off.
REMEDY
1 Reverse polarity of valve by changing wires at the
valve cap.
1 Replace seat/hosetail and/or valve system if
necessary.
1 Check all connections, supply - loom.
2 Replace motor.
3 Clean internals of valve and/or put a new valve kit in
the valve..
1 Clean our valve or replace.
2 Check all power leads and supply, or replace motor.
3 Clean out valve and/or put a new valve kit in the
valve.
1 Check power supply and all connections.
2 Check motor and replace if required.
3 Clean valve and return line.
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