Craftsman 138.75275 Operator's Manual page 16

PROBLEM
(continued)
Output pressure varies
high and low.
Unit does not reach
high pressure.
Garden hose connection
leaks.
Spray wand, extension,
or nozzle leaks.
Pump is noisy Pump is sucking air
Water leaks from pump
(up to 10 drops per min-
ute is permissible).
POSSIBLE CAUSE
Discharge nozzle is ob-
structed.
Calcified 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.
Loose fittings.
Missing/worn rubber washer.
Broken o-ring or plastic insert.
Water filter is clogged.
Loose fittings.
Water seals are damaged or
worn.
Oil is dripping Oil seals are damaged or
worn.
SOLUTION
Blow out or remove debris with a
fine needle.
Run distilled vinegar through
detergent tank.
Add more detergent.
Check connections.
Dilute detergent.
Run warm water through filter 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
fine needle.
Tighten fittings.
Insert new washer.
Call the Toll-Free Customer Help
Line.
Check that hoses and fittings are
airtight. Turn off machine and
purge pump by squeezing trigger
gun until a steady flow of water
emerges through the nozzle.
Remove water filter and rinse in
warm water.
Check that all fittings are tight.
Call the Toll-Free Customer Help
Line.
Call the Toll-Free Customer Help
Line.
16-English