Operator’s Manual
7
troublesHooting
SYMPTOM
PROBABLE CAUSE
REMEDY
Engine will not start.
Various engine problems.
Refer to the Engine Manual
accompanying your unit.
Unit components are frozen.
Allow to thaw. If any part of the unit
becomes frozen; excessive
pressure may build up in the unit
which could cause the unit to burst
resulting in possible serious injury to
the operator or bystanders.
No discharge at nozzle when
Inadequate water supply.
Ensure hose is 3/4” diameter and
trigger mechanism is squeezed.
incoming water supply is turned on.
Kink in water inlet hose.
Remove kink.
Low or fluctuating pressure.
Kink in high pressure discharge hose. Replace hose.
Water inlet strainer obstructed.
Remove screen, clean or replace.
Pump sucking air. (Prime eliminated)
Tighten all water intake connections
Eliminate leaks in intake line.
Not in high pressure mode.
Insert high pressure nozzle.
Obstructed or worn spray nozzle.
Remove, clean or replace.
Damaged or obstructed valve assy.
Remove, inspect, clean or replace.
on pump.
Pump packings worn.
Replace packings.
Unloader valve not operating correctly. Repair or replace.
Water is leaking from the “heat
Water temperature is too high.
Do not allow the unit to operate in
Dump Valve”
the bypass mode (with trigger gun
closed) for more than 3 minutes.
Defective valve.
Replace.
Oil appears milky or foamy.
Water in oil.
Change pump oil. Fill to proper
level.
Oil leaking from unit.
DO NOT USE!!!!!
Contact Customer Service.
Water flows from the nozzle when the Gun is malfunctioning.
Repair or replace.
trigger gun is locked in the “OFF”
position.
