Graco Inc 309225W specifications Read Pump does not prime section

		Troubleshooting
Problem	Cause	Solution
Pump does not prime.	Spray-Prime/Drain Valve (J) is in	Turn Spray-Prime/Drain Valve to
	SPRAY position.	PRIME/DRAIN position (pointing
		down).
	Inlet screen (L) is clogged or suction	Clean debris off inlet screen and
	tube (G) is not immersed.	make sure suction tube is at bottom
		of paint pail.
	Inlet valve check ball is stuck.	Remove suction tube and place a
		pencil into the inlet section to dis-
		lodge the ball, allowing pump to
		prime properly. OR Power Flush
		sprayer, page 17.
Pump does not prime.	Outlet valve check ball is stuck.	dx Sprayer: Remove hose from
		sprayer. Unscrew outlet valve to
		remove assembly with a screwdriver.
		Screw the valve back on the pump.
		XR Sprayers: Use a screw driver to
		open the Easy-Access™door.
		Unscrew outlet valve with a 3/4 in.
		wrench. Remove and clean assem-
		bly.
	Suction tube is leaking.	Tighten suction tube connection (K).
		Inspect for cracks or vacuum leaks.
	Spray-Prime/Drain Valve is plugged.	Clean/replace drain tube as neces-
		sary. Take sprayer to Graco/mag-
		num authorized service center if
		valve is plugged.
Spray gun stopped spraying.	Spray tip is clogged.	Unclog spray tip, page 12.
Pump cycles but does not build up	Pump is not primed.	Prime pump.
pressure.
Pump cycles but does not build up	Inlet screen (L) is clogged or suction	Clean debris off inlet screen and
pressure.	tube (G) is not immersed.	make sure suction tube is at bottom
		of paint pail.
	Paint pail is empty.	Refill paint pail. Reprime sprayer.
Pump cycles but does not build up	Suction tube is leaking.	Tighten suction tube connection (K).
pressure.		Inspect for cracks or vacuum leaks. If
		cracked or damaged, replace suction
		tube.
	Pump check valves are dirty or dam-	Clean or replace check valves. Read
	aged. (Usually only one valve).	Pump Check Valves, page 11.
	Spray-Prime/Drain Valve (J) is worn	Take sprayer to Graco/magnum
	or obstructed with debris.	authorized service center.
	Pump check ball is stuck.	Read Pump does not prime section
		in Troubleshooting, page 23

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