Troubleshooting Guide
System Diagnosis
6
6-12
HD-R10doc072619
Troubleshooting Guide
Improper Hydraulic Pressure
Reading
Faulty pressure transducer(U2)
Engine Idle and no active hydraulic
functions pressure should be around
300psi
Replace if necessary
Faulty connections
Check to make sure all connectors
are securely fastened
Head will not raise
Low hydraulic pressure
See Faulty pressure relief
valve(V1.TS1)
Faulty cylinder
Shaft seal may be damaged
Replace if necessary
Faulty pressure relief
valve(V1.TS1)
Reference Hydraulic Sche-
matic for valve location
Contamination in cartridge
Head Up/Down functions should be
1400psi or a little higher
Feed Forward/Reverse functions at
slow speeds should be around
1100psi
Bed functions when dead headed
should be around 2200psi
Replace if necessary
PROBLEM
CAUSE
SOLUTION