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Kärcher TRS-SSG • Operators • 9.801-330.0-K
27
PRESSURE WASHER Troubleshooting Guide
PRESSURE WASHER TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
OIL
DRIPPING
Oil seal worn Check and replace if necessary.
EXCESSIVE
VIBRATION
IN DELIVERY
LINE
Irregular functioning of the valves Check and replace if necessary.
DETERGENT
NOT
DRAWING
Air leak Tighten all clamps. Check detergent lines for
holes.
Incorrect nozzle Use chemical nozzle.
Filter screen on detergent suction
hose plugged
Clean or replace.
Dried up detergent plugging me-
tering valve
Disassemble and clean thoroughly.
High viscosity of detergent Dilute detergent to specifi cations.
Hole in detergent line(s) Repair hole.
Low detergent level Add detergent, if needed.
PUMP RUNNING
NORMALLY
BUT PRESSURE
LOW ON
INSTALLATION
Pump sucking air Check water supply and
possibility of air seepage.
Valves sticking Check and clean or replace if necessary.
Nozzle incorrectly sized Check and replace if necessary
(See serial plate for proper size).
Unloader valve seat faulty Check and replace if necessary.
Worn piston packing Check and replace if necessary.
BURNER
MOTOR WILL
NOT RUN
Fuel pump seized Replace fuel pump.
Burner fan loose or misaligned Position correctly, tighten set screw.
Defective control switch Replace switch.
Loose wire Check and replace or tighten wiring.
Defective burner motor Replace motor.
RELIEF VALVE
LEAKS WATER
Relief valve defective Replace or repair
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