Sherman + Reilly PLW-250-4-T, Operation, Service, & Parts

Page: 33 / 62

5.1
Section 5 • TROUBLESHOOTING
ENGINE WILL NOT START OR RUN
a. Dead battery, could be caused by pulled breakaway switch.
b. No fuel, check tank gauge.
c. Refer to engine manufacturer’s manual.
REEL WILL NOT RUN
a. Gearbox spline not engaged correctly.
b. Low system pressure brake not releasing.
c. Pump linkage loose or out of adjustment.
REEL DOES NOT STOP WHEN CONTROL LEVER IS SHIFTED TO NEUTRAL
a. Pump linkage loose or out of adjustment.
b. Air or contamination in brake line.
c. Broken brake spring.
JACK CREEPS DOWN
a. Motor running, control valve seals bad.
b. Motor off, or Holding valve on jack is malfunctioning.
UNIT WILL NOT BUILD MAXIMUM HYDRAULIC SYSTEM PRESSURE
a. Pump linkage loose or out of adjustment.
b. System pressure control valve blocked or malfunctioning.
c. Pump relief valve malfunctioning.
d. System pressure relief valve inside control panel out of adjustment or malfunctioning.
e. Contamination in hydraulic system.
HYDRAULIC FLUID TEMPERATURE IS ABOVE NORMAL
a. Clogged cooler fins restricting air flow.
b. Payout brake and gearbox spline connected to the drive bar at the same time.
c. Gearbox brake not fully releasing.
d. Contamination in hydraulic system blocking cooler.