Manual

SYMPTOM
TROUBLESHOOTING
PROBABLE CAUSE REMEDY
Engine will not start.
No discharge at nozzle when
trigger mechanism is squeezed.
Various engine problems.
Unit components are frozen.
Refer to the Engine Manual
accompanying your unit.
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.
Inadequate water supply.
Kink in water inlet hose.
Ensure hose is 3/4" diameter and
incoming water supply is turned on.
Remove kink.
Low or fluctuating pressure. Kink in high pressure discharge hose.
Water inlet strainer obstructed.
Pump sucking air. (Prime eliminated)
Water is leaking from the "Heat
Dump Valve"
Oil appears milky or foamy.
Not in high pressure mode.
Obstructed or worn spray nozzle.
Damaged or obstructed valve assy.
on pump.
Pump packings worn.
Unloader valve not operating correctly.
Water temperature is too high.
Defective valve.
Water in oil.
Replace hose.
Remove screen, clean or replace.
Tighten all water intake connections
Eliminate leaks in intake line.
Insert high pressure nozzle.
Remove, clean or replace.
Remove, inspect, clean or replace.
Replace packings.
Repair or replace.
Do not allow the unit to operate in
the bypass mode (with trigger gun
closed) for more than 3 minutes.
Replace.
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.
trigger gun is locked in the "OFF"
position.
Repair or replace.
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