Instruction manual

SERVICING INLET NUT & OUTLET VALVE

FIG. 20

FIG. 21

INLET VALVE

1. Using the rod collar tool (189-211), unscrew the suction

nut, containing suction seat support, off of the uid body.

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

suction ball guide with O-ring.

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

replacing parts as needed. Old O-rings should be

replaced with new ones.

* NOTE: SUCTION SEAT (187-065) IS REVERSIBLE.

PISTON OUTLET VALVE

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

holder & lock in place with the 1/4” dowel.

2. Use a 3/8” allen wrench to unscrew the outlet seat

support from the piston.

3. Remove the outlet seat, O-ring, outlet ball and ball guide.

4. Inspect the outlet ball and seat for wear. Replace as

required.

*NOTE: OUTLET SEAT (187-061) IS REVERSIBLE.

5. While piston is still locked in the holder, install parts back

into the piston in the following order: ball guide, ball,

O-ring, outlet seat. Before reinstalling the outlet seat

support apply two drops of Loctite No. 242 (blue) on the

threads and torque to 20 ft-lbs.

PARTS LIST FIGURE 20 & 21

Item No. Part No. Description

1 187-020 Ball

2 187-014 O-Ring

3 187-065 Seat

4 187-016 Retainer

5 187-002 Nut

6 187-330-99 Piston Rod

7 187-062 Ball Guide

8 115-022 Outlet Ball

9 106-021* O-Ring

10 187-061 Outlet Seat

11 187-051* Outlet Seat Support