Graco 311320H important safety instructions Turns Out From Point Recommended

Spray Pattern Adjustment

e.If buildup recurs shortly after cleaning tip, remove air cap and ensure inside is clean.

Reinstall air cap and ensure airflow is properly set.

If no buildup occurred on air cap, check the fol- lowing items in this order and readjust if neces- sary:

•Check Valving Rod Adjustment Screw/Sleeve setting.

•Check hose temperature setting.

•Check primary heater temperature setting.

•Ensure spray pressures between chemi- cals are balanced. If they are not, refer to Troubleshooting section of Proportioning Unit Operation Manual for the proportioner in use.

•Ensure flow of air to air cap is adequate but not excessive.

	Turns Out From Point of		Recommended
	Valving
			Distance of Gun
Chamber	Minimum	Maximum	from Surface	Pattern Size
46-800	1/2 turn	2 turns	12 in. (304-8 mm)	6 in. (152.4 mm)
46-810	1/2 turn	2 turns	12 in. (304-8 mm)	6 in. (152.4 mm)
55-776	1 3/4 turns	2 5/8 turns	18 to 20 in. (457.2	8 in. (203.2 to
			to 508 mm)	228.6 mm)
62	2 turns	3 turns	18 to 20 in. (457.2	8 to 9 in. (203.2
			to 508 mm)	to 228.6 mm)
70	2 turns	3 turns	18 to 20 in. (457.2	10 to 12 in. (254
			to 508 mm)	to 304.8 mm)
78-851	2 turns	3 turns	24 in. (609.6 mm)	14 in. (355.6 mm)

Table 1: Valving Rod Adjustment for Standard Mixing Chambers

16 311320H