Graco 1030 dimensions Troubleshooting

Troubleshooting (Continued)

PROBLEM	CAUSE	SOLUTION
Engine operates, but	Connecting rod worn or damaged	Replace connecting rod. See page 14.
displacement pump does not
	Drive housing worn or damaged	Replace drive housing. See page 15.
(Continued)
	Pinion assembly worn or damaged	Service pinion assembly. See page 16.
Engine operates, displace-	Flow control is set to PRIME	Set flow control to LOW/MED/HIGH while
ment pump operates, but no		triggering gun.
material pressure at gun.
	Fluid system over--pressurized	Spraying material is too thick or the mate-
		rial hose is too long. Use a less course
		material or a shorter hose.
	Gun nozzle/disk is clogged	Check and clean nozzle/disk as needed.
		Switch to a larger nozzle/disk.
	Material flowing out drain line	Check for air leaks to dump valve.
		Check dump valve for wear, replace as
		needed.
		Air flow sensor dirty or damaged.
	Pump is packed out	Disassemble and clean pump (see page
		8), hose(s) and gun.
Low fluid delivery	Siphon hose strainer is clogged.	Clean or remove strainer
	Engine RPM too low	Increase engine speed. See Startup,
		procedure in operator manual.
	Flow control set too low	Increase flow control to MED or HIGH
	Hose too long or material too	Change to a shorter hose or less coarse
	coarse	material.
	Material flowing out drain line	Check drain line for a constant flow of
		material when sprayer is operating in
		LOW/MED/HIGH mode.
		Check for air leaks to prime valve.
		Check dump valve for wear, replace as
		needed.
	Gun nozzle/disk is clogged	Check and clean nozzle/disk as needed.
		Switch to a larger nozzle/disk.
	Pump is packed out	Disassemble and clean pump (see page
		8), hose(s) and gun.
Loss of air control or volume	Gun air passages clogged with	After releasing gun trigger, make sure
at gun	material	system is fully depressurized before trig-
		gering gun again. This helps prevent
		material backing into gun passages.
	Air filter dirty	Clean or replace element
	Air flow sensor dirty or damaged	Check air filter.
		Clean air flow sensor (see page 4) or re-
		place as needed.
Displacement pump output	Piston ball (220) not seating	Clean piston area. See page 12.
low on upstroke
	Piston packings worn or damaged	Replace packings. See page 12.
	Siphon hose coupling gasket (1e)	Replace or install gasket
	worn or missing.
	Pump cylinder o-ring (205) worn or	Replace o-ring
	missing

8 309662