CWC-GASOLINE Operator's Manual
19
TROUBLESHOOTING
Symptom
Probable Cause
Symptom
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 be-
comes 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 trigger mechanism
is squeezed.
Inadequate water supply.
Ensure hose is 3/4" diameter and incoming
water supply is turned on.
Kink in water inlet hose.
Remove kink.
Low or fluctuating pres
-
sure..
Kink in high pressure discharge
hose.
Replace kinked high pressure hose.
Water inlet screen obstructed.
Remove screen, clean or replace
Pump sucking air (prime eliminated). Tighten all water intake connections. Elimi-
nate leaks in intake line. Re-prime.
Not in high pressure mode.
Insert high pressure nozzle.
Obstructed or worn spray nozzle.
Remove, clean or replace.
Damaged or obstructed valve assy.
on pump.
Remove, inspect, clean or replace.
Pump packings worn.
Replace packings.
Bypass valve not operating correctly. Repair or replace.
Water is leaking from
the "Thermal Relief
Valve".
Water temperature is too high.
Do not allow unit to operate the bypass
mode with trigger gun closed) for more
than three 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 your Customer Service.
Detergent will not siphon
into Low Pressure De-
tergent mode. (Optional
Feature.)
Detergent strainer is not completely
submerged in detergent solution.
Check, submerge if necessary.
Detergent strainer obstructed.
Inspect, clean or replace.
Detergent hose cut, obstructed or
kinked.
Inspect, clean or replace.
Detergent adjusting knob turned to
closed position.
Open adjusting knob. Refer to "Cleaning
with Detergents".
Detergent nozzle not being used.
Insert 6540° (BLACK) nozzle.
Nozzle assembly is plugged.
Clean or replace.
Too many high pressure hose exten-
sions attached to the water outlet.
Use one extension maximum.
Ball & Spring in Venturi stuck.
Remove, clean or replace.
Water flows back into
detergent container.
Ball & Spring in Venturi reversed,
missing or corroded.
Remove, clean or replace.
Water flows from the
nozzle when the trigger
gun is locked in the OFF
position.
Gun is malfunctioning.
Repair or replace.
Water is leaking at safety
relief.
Safety Relief/ Burst disk is ruptured
caused by an unloader malfunction.
Replace safety Relief/ Burst disk. NEVER
run unit without safety Relief/ Burst disk.
Doing so can cause an explosion!
Detect and correct unloader problem.
Содержание CWC GASOLINE Series
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