Shark SSG-503027E, SSG-503027G, SSG-503537E, SSG-503537G, SSG-603537E, SSG-603537G manual Light

PRESSURE WASHER Troubleshooting Guide

16

TROUBLESHOOTING

PROBLEM	POSSIBLE CAUSE	SOLUTION
BURNER WILL NOT	Flex coupling slipping on fuel pump	Replace if needed.
LIGHT	shaft or burner motor shaft
(continued from
	On-Off switch defective	Check for electrical current reaching burner
previous page)
		assembly with burner switch on.
	Heavy sooting on coil and burner can	Clean as required.
	cause interruption of air flow and
	shorting of electrodes
	Improper electrode setting	Check and reset according to diagram in
		Operator's Manual.
	Fuel not reaching combustion	Check fuel pump for proper flow. Check
	chamber	solenoid flow switch on machines with spray
		gun control, for proper on-off fuel flow
		control.
	Clogged burner nozzle	Clean as required.
	Thermostat faulty or slow engine	Increase engine RPM to increase voltage.
	speed
	Flow switch malfunction	Remove, test for continuity and replace as
		needed.
	Flow solenoid malfunction	Replace if needed.
FLUCTUATING	Valves worn	Check and replace if necessary.
PRESSURE
	Blockage in valve	Check and replace if necessary.
	Pump sucking air	Check water supply and air seepage at
		joints in suction line.
	Worn piston packing	Check and replace if necessary.
MACHINE SMOKES	Improper fuel or water in fuel	Drain tank and replace contaminated fuel.
	Improper air adjustment	Readjust air bands on burner assembly.
	Low fuel pressure	Adjust fuel pump pressure to specifications.
	Plugged or dirty burner nozzle	Replace nozzle.
	Faulty burner nozzle spray pattern	Replace nozzle.
	Heavy accumulation of soot on coils	Remove coils and burner assembly, clean
	and burner assembly	thoroughly.
	Misaligned electrode setting	Realign electrodes to specifications.
	Obstruction in smoke stack	Check for insulation blockage or other
		foreign objects.
	Low engine RPM	Increase RPM.

SHARK SSG • 97-6134 • REV. 7/05a