SERVICE MANUAL & ICA
WIPLINE 2100 & 2350 FLOATS
Page 68
Revision N
P/N 1002549
1. PROBLEM
– Power pack does not run after gear selection.
PROBABLE CAUSE
a. Circuit breaker has failed.
b. Pressure switch not pulling in at low cut in.
c. Solenoid switch not pulling in.
d. Faulty pump motor.
e. Motor not properly grounded.
VERIFICATION AND REMEDY
a. Reset circuit breaker.
b. Short across pressure switch leads and see if motor runs. If motor operates, replace pressure switch.
c. Short across solenoid pressure switch leads and see if motor runs. If motor operates, replace solenoid
pressure switch.
d. If c. above does not produce results and it is verified that voltage was actually applied to motor, it can be
assumed motor is bad or not properly grounded.
e. Check motor ground.
2. PROBLEM
– Power pack does not shut off after gear reaches position.
PROBABLE CAUSE
a. Faulty pressure switch.
b. Faulty or dirty pressure relief valve allowing insufficient pressure buildup.
REMEDY
a. Replace pressure switch.
b. Clean and check relief valve.
3. PROBLEM
– Power pack shuts off before gear reaches position.
PROBABLE CAUSE
a. Binding or jammed gear retractor, which causes pressure to build up (and stay up), and pressure switch
shuts off power pack.
REMEDY
a. Repair retractor.
4. PROBLEM
– Power pack cycles on and off after gear is in position.
PROBABLE CAUSE
a. Internal hydraulic leak.
b. External hydraulic leak.
12.2 TROUBLESHOOTING
