Graco Inc. 258738 User Manual

1.

Place suction tube and drain tube in grounded metal 
pail partially filled with flushing fluid. Attach ground 
wire to pail and to earth ground.

2.

Turn prime valve down to DRAIN position. Turn 
pressure control counterclockwise to lowest pres-
sure.

3.

Set pump switch OFF.

4.

Start Engine

a.

Move fuel valve to open.

b.

Move choke to closed.

c.

Set throttle to fast.

d.

Set engine switch to ON.

5.

Pull rope to start engine.

6.

Increase pressure enough to start pump stroking 
and allow fluid to circulate for 15 seconds; turn pres-
sure down and turn prime valve forward to SPRAY 
position.

7.

Take spray gun trigger safety OFF.

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