Graco 3A1696C important safety instructions Gun arm wobbles

			Troubleshooting
PROBLEM	CAUSE		SOLUTION
Paint guns not turning off immediately	Valve needed	1.	Spray needle with light coat of lubricant.
or at all			Use air hose or water hose to break up
			and remove solidified beads.
		2.	Replace needle, seat, and packings (see
			Repair Kit 238339).
Gun arm wobbling or hopping exces-	Swivel nut	Gun arm wobbles
sively		1.	Remove dust cap (547).
		2.	Tighten boom arm swivel nut (504) until
			swivel has slight restriction.
		Gun arm hops
		1.	Lower air pressure in gun arm wheel.
		2.	Replace damaged gas shock (507).
Excessive overspray on gun arm	Paint guns out of position	1.	Angle paint guns back 15° to 20°.
wheel		2.	Coat wheel and gun arm parts with
			non-stick cooking oil, light oil, silicon, or
			Auto Mask ZEP to prevent paint from
			sticking to them.
Pulsation in spray pattern	Low or erratic pressure in paint pump	1.	Check paint supply and suction inlet
			screens.
		2.	Replace spray tips.
		3.	Check outlet filter.
		4.	Replace packings. Clean and service
			intake valve and piston valve.

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