22
IOM-022
MODEL: GSS-4PM
REV: F
13839 West Bellfort Street, Sugar Land, TX 77498
welker.com
Service Department 281.491.2331
Inline Relief Maintenance
Figure 10: Inline Relief Maintenance Diagram
14.
Unscrew the machine screws and washers from the base, and then remove the base from the body.
15.
Remove the buttonhead screw and washer seal from the end of the base.
16.
Insert a hex key through the base to the spring adjuster. Turn the hex key counterclockwise to unscrew and remove the
spring adjuster from the base.
17.
Remove the spring and poppet from the base.
18.
Inspect the seating face of the poppet for scratches or other damage. Replace as necessary.
Debris or scratches on the poppet will prevent positive shutoff of the relief.
19.
Return the poppet and spring to the base.
20.
Using a hex key, screw the spring adjuster into the base.
21.
Return the buttonhead screw and washer seal to the end of the base.
22.
Replace the O-rings on the sealing face of the base.
23.
Set the base aside.
