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Servicing the outlet valve, Servicing the inlet assembly, Fig. 14 fig. 13 – AIRLESSCO SS3650 User Manual

Page 17

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14

15

SERVICING THE OUTLET VALVE

9

10

11

12

8

13

1. Disconnect the Fluid Pump following instructions on

page 14.

2. Place piston holder in a vise. Slide piston into the holder

& lock in place with a 3/8” dowel.

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

retainer from the piston.

4. Remove the outlet seat, O-ring and outlet ball.

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

necessary. Ensure seat is right side up.

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 required

for this task. Kit includes: Tightening Bar (189-211),

Packing Removal Tool (331-465), Piston Holder (331-

195), 3/8” dowel (331-196).

SERVICING THE INLET ASSEMBLY

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

body.

2. Remove suction seat, O-ring, suction ball and suction

retainer.

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, O-ring, suction ball & suction ball guide in

the suction nut & screw onto fluid pump body.

DISASSEMBLY OF THE OUTLET VALVE

FIG. 14

FIG. 13

PARTS LIST FIGURE 13 & 14

Item No.

Part No.

Description

1

331-708

Piston

2

331-195

Piston Holder

3

331-196

Dowel Pin

4

331-027

Outlet Ball

5

331-100

O-Ring

6

331-026

Outlet Seat

7

331-314

Outlet Seat Retainer

8

331-011

Fluid Pump Body

9

331-029

Suction Ball Guide

10

331-030

Suction Ball

11

106-011

O-Ring

12

331-409

Suction Seat

13

331-034

Suction Nut

1

2

3

1

4

5

6

7

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