Wagner SprayTech 3000, 3500 Servicing the Piston Rod Outlet Valve, Servicing the Suction Assembly

Servicing the Piston Rod - Outlet Valve

DISASSEMBLY OF THE OUTLET VALVE

REFER TO FIGURE 3

1.Disconnect the Fluid Pump following instructions on page 17 .

2.Place piston holder (331-195) in a vise. Slide piston into

the holder & lock in place with a 3/8” dowel (331-196).

3.Use a 1/4” allen wrench to unscrew the outlet seat retainer

(331-026) from the piston. 331-196

4.Remove the outlet seat (331-026), O-ring (331-100) and outlet ball (331-027).

5.Inspect outlet ball & seat for wear. Replace as necessary.

6.While piston is still locked in the holder, install parts back into the piston in the following order:

ball, outlet seat and O-ring

Before reinstalling the outlet seat support, apply two drops of

Loctite No. 242 (blue) on the threads & torque to 20 ft-lbs.

NOTE: Airlessco LP pump tool kit 188-197 is suggested for this task.

Kit includes: Packing Tightening Bar (189-211), Packing Removal Tool (331-153), Piston Holder (331-195), 3/8” dowel (331-196).

FIGURE 3

Piston

331-195

Servicing the Suction Assembly

FIGURE 4

REFER TO FIGURE 4

1.Un-thread and remove suction nut from the fluid pump body.

2.Remove suction seat (331-409), O-ring (106-011), suction ball (331-030) and suction retainer (331-029).

3.Clean all parts and inspect them for wear or damage, replacing parts as needed.

4.Clean inside of the fluid pump body.

5.Reassemble lower suction valve assembly by placing the suction seat (331-409), O-ring (106-011), suction ball (331-030) & suction ball guide (331-029) in the suction nut (331-034) &

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