
25
TROUBLESHOOTING
PROBLEM
Output pressure varies
high and low. (contin-
ued)
Unit does not reach
high pressure.
Pump is noisy
Water leaks from pump
(up to 10 drops per min-
ute is permissible).
Oil is dripping
Spray wand, extension,
or nozzle leaks.
Garden hose connection
leaks.
POSSIBLE CAUSE
Discharge nozzle is ob-
structed.
Calcied gun, hose or power
nozzle.
Diameter of garden hose is
too small.
Detergent bottle or suction
tube not properly connected.
Detergent is too thick.
Filter on detergent suction
tube is clogged.
Damaged or clogged deter-
gent suction tube.
Nozzle is in high-pressure
position.
Discharge nozzle is ob-
structed.
Pump is sucking air
Water lter is clogged.
Loose ttings.
Water seals are damaged or
worn.
Oil seals are damaged or
worn.
Broken o-ring or plastic insert.
Loose ttings.
Missing/worn rubber washer.
SOLUTION
Blow out or remove debris with a
ne needle.
Run distilled vinegar through
detergent tank.
Add more detergent.
Check connections.
Dilute detergent.
Run warm water through lter to
remove build-up.
Remove obstruction or replace
detergent suction tube.
Turn nozzle tip to low-pressure
position.
Blow out or remove debris with a
ne needle.
Check that hoses and ttings are
airtight. Turn off machine and
purge pump by squeezing trigger
gun until a steady ow of water
emerges through the nozzle.
Remove water lter and rinse in
warm water.
Check that all ttings are tight.
Call the Toll-Free Hotline
Call the Toll-Free Hotline
Tighten ttings.
Insert new washer.
Call the Toll-Free Hotline.