Installation

Installing Circulating Kit 222312

WARNING

Before installing the heaters, dual heater mounting kit and circulating kit, follow the Pressure Relief Procedure on page 14. Disconnect all hoses from the pump.

NOTE: Reference numbers marked with a symbol (for example, 37{) are included in kit 222312.

Apply pipe sealant (36{) to all male threads except at swivel connections.

1.Remove the suction tube (25), fittings (52 and 53), hose (24), and adapter (12). See Fig. 5. Keep these parts for use later.

2.Screw nipple (54) and then the tee (48{) into the elbow (11) at the pump fluid inlet. Screw the 1 x 3/4 npt bushing (55) and then the 3/4 npt x 1/4 npt bushing (49{) into the branch of the tee. See Fig. 6.

3.Reconnect the bushing (12), hose (24), fittings (52 and 53), and suction tube (25).

4.Install the CIRC end of the three-way ball valve (40{) in the bushing (49{). Screw a bushing (39{) onto the IN branch of the three-way valve. Con- nect the rigid end of the 45_ union (38{) to this bushing. Screw the swivel end of the union (38{) onto the braided hose (37{). Connect this hose to the main fluid return line. See Fig. 6.

5.Screw another bushing (39{) onto the DRAIN end of the three-way valve (40{). Connect the nylon fluid hose (41{) to this bushing, and connect the return tube (42{) to the other end of the hose. Place the return tube in the fluid supply container.

WARNING

COMPONENT RUPTURE HAZARD To reduce the risk of overpressurizing your system, which could cause compo- nent rupture and serious injury, never

exceed 90 psi (6 bar, 600 kPa) incoming air pres- sure to the pump.

6.Install the warning label (51) as shown in Fig. 6.

7.Connect the air and fluid hoses and the spray gun as explained on page 6.

12 307932

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Graco 245186, 253697, 307932R, 245187, 245185 important safety instructions Installing Circulating Kit
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253697, 307932R, 245185, 245186, 245187 specifications

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