Harper DewEze 600 Series, Manual, Page: 12 / 85

Pivot Squeeze
Harper Industries 10
600 & 700 Series
Troubleshooting
SAFETY WARNING!
Use extreme caution when inspecting an engine.
Serious injury or death could result from getting too
close! Remove key from ignition when servicing.
Problem Symptom Possible Solutions
Hydraulic
Pump
No Oil Flow
 CHECK OIL LEVEL IN RESERVOIR. If oil level is low, check for
leaks in system then re-fill to FULL.
 CHECK BELT TENSION. Replace tensioner or tighten idlers if
needed. Replace belt if worn.
 CHECK FOR SHEARED KEY ON PUMP SHAFT. Replace key.
 CHECK IF SUCTION HOSE COLLAPSES IN SUCTION. Locate
and remove obstruction.
 CLUTCH NOT FUNCTIONING. See possible clutch solutions.
 INTERNAL PUMP DAMAGE. Seek assistance from dealer.
Hydraulic
Pump
No Oil
Pressure
 HYDRAULIC OIL LEAKS IN SYSTEM. Take safety precautions
and check for leaks. Tighten fittings and replace damaged hoses.
 CHECK FOR MALFUNCTIONING SWITCH. Replace switches.
 BELT OR CLUTCH MAY BE SLIPPING. Replace tensioner or
tighten idlers if needed. Replace belt if worn.
 VALVE NOT FUNCTIONING. Check for disconnected wires at
solenoid or rusted ground wires. Seek assistance from dealer if
valve continues to be unresponsive.
 PRESSURE RELIEF MAY BE SET TOO LOW OR BROKEN. Seek
assistance from dealer. CAUTION: PRESSURE EXCEEDING
2,600 PSI CAN DAMAGE THE PUMP.
 PUMP IS WORN OR DAMAGED.
Seek assistance from dealer.
Clutch Does Not
Engage
 CHECK FOR BLOWN FUSE. Replace fuse.
CAUTION: FUSE SHOULD NOT EXCEED 30 AMPS
 CHECK WIRE TO CLUTCH. Insure there are no breaks or shorts.
 CHECK FOR BAD SWITCHES IN SYSTEM. Replace switches.
 CLUTCH IS WORN OUT.
Seek assistance from dealer.
Belt(s) Jumps Off
Pulley
 BELT(S) TOO LOOSE. Replace tensioner or tighten idler pulleys.
 CHECK FOR EXCESSIVE BELT WEAR. Replace worn belt(s).
 CHECK FOR LOOSE PUMP BRACKET. Tighten loose bolts.
Replace broken bolts.
 CHECK CRANKSHAFT PULLEY FOR LOOSE OR BROKEN
BOLTS. Tighten loose bolts. Replace broken bolts.
 CHECK ALIGNMENT OF IDLER PULLEYS AND CONDITION OF
BEARINGS. Re-align idler pulleys or replace worn idler pulleys.
 CHECK ALIGNMENT OF CLUTCH AND CRANKSHAFT PULLEY.
If misalignment is visible, seek assistance from dealer.
SAFETY WARNING!
10