DeVillbiss Air Power Company D21684 warranty Troubleshooting Guide, Problem, Cause, Correction

TROUBLESHOOTING GUIDE

PROBLEM	CAUSE			CORRECTION
Engine will not start	1.	No fuel.	1.		Add Fuel.
(see Engine Manual for	2.	Low oil (if oil-alert equipped).	2. Add required amount of oil.
further engine trouble-	3.	Pressure builds up after two	3.		Squeeze gun trigger to relieve pressure.
shooting)		pulls on the recoil starter or after
		initial use.
	4.	Not primed or choked.	4. Push primer bulb 3 times or choke engine.
	5.	Spark plug wire not attached.	5. Attach spark plug wire.
	6.	Engine ON/OFF switch in OFF	6.	Place engine ON/OFF switch in ON
		position (If equipped.)			position.
	7.	Choke lever in the "Choke"	7.		Move choke to the "No Choke" position.
		position on a "hot" engine or an
		engine that has been exposed to
		thermal heat for a long period of
		time.
	8.	Fuel valve closed (if equipped)	8.	Move the fuel valve lever to the "Open"
					position.
No or low pressure	1.	Wand not in high pressure.	1.	See page 11 and 12 for high pressure opera-
(initial use)	2.	Low water supply.			tion.
			2.		Water supply must be at least 5 GPM @ 20
					PSI (See page 3).
	3.	Leak at high pressure hose.	3. Repair leak. Apply Teflon tape if necessary.
	4.	Nozzle obstructed.	4.		Clean nozzle with paper clip or nozzle clean-
					ing tool, pour water into nozzle end to flush
	5.	Water filter screen clogged.			out obstruction.
			5. Remove and clean filter.
	6.	Defective E-Z start valve.	6.	Check with Authorized Warranty Service
		(If applicable)			Center (AWSC.)
	7.	Air in hose.	7.	Turn off the engine, then the water source.
					Disconnect the water source from the pump
					inlet and turn the water source on to remove
					all air from the hose. When there is a steady
					stream of water present, turn water source off.
					Reconnect water source to pump inlet and
					turn on water source. Squeeze trigger to
	8.	Choke lever in the "Choke"			remove remaining air.
			8.		Move choke to the "No Choke" position.
		position.
	9.	Throttle control lever is not in the	9.	Move throttle control lever to the "Fast"
		"Fast" position.			position.
	10.	High pressure hose is too long.	10.		Use high pressure hose under 100 feet.
Will not draw chemicals	1.	Wand not in low pressure.	1. See page 13 for low pressure operation.
	2.	Chemical filter clogged.	2.		Clean filter.
	3.	Chemical screen not in chemical.	3.	Insure end of chemical hose is fully
					submerged into chemical.
	4.	Chemical adjustment knob	4.		Turn knob fully counterclockwise to open.
		closed.
	5.	Chemical too thick	5.		Dilute chemical. Chemical should be the
					same consistency as water.
	6.	Pressure hose is too long	6.	Lengthen water supply hose instead of
					pressure hose.
	7.	Chemical build up in chemical	7.		Have parts cleaned or replaced by AWSC.
		injector.

TROUBLESHOOTING

21 — ENG