Graco ti25442a manual Troubleshooting, Problem, Cause, Solution, 334666B

		Troubleshooting
Problem	Cause	Solution
A strong hose recoil occurs	The unit is not on a level surface.	Place the unit on a level surface. If this
frequently when the blast		is impossible, the Auto-Vent must be on
control switch is engaged.		the higher side of the unit.
	The initial pot pressure is not set	Confirm that the auto-vent valve is
	correctly.	working and set initial pot pressure 30
		psi (2.0 bar, 0.20 MPa) above the blast
		pressure.
	The Auto-Vent is malfunctioning.	Perform auto-vent clean-
		ing procedure (see
		Cleaning the Auto-Vent Valve, page 31).
	The diaphragm needs to be	Perform the diaphragm
	flushed.	flush procedure (see
		Flushing the Diaphragm Valve, page 29).
		If flushing does not solve the problem, see
		Repairing the Diaphragm Valve, page 30.

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