Tuff TNT-503021E, Operator'S Manual

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TNT SERIES PRESSURE WASHER
OPERATOR’S MANUAL
23
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 chemical lines for
holes.
Restrictor in float tank is missing Replace restrictor. Check for proper orifice in
restrictor.
Filter screen on detergent suction
hose plugged Clean or replace.
Dried up detergent plugging metering
valve
Disassemble and clean thoroughly.
High viscosity of detergent Dilute detergent to specifications.
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 necessay (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.