Welker INLOOP ACE - Page 22

22
IOM-224 MODEL: INLOOP™ ACE REV: A 13839 West Bellfort Street, Sugar Land, TX 77498 welker.com Service Department 281.491.2331
Collection Head Assembly Maintenance
Figure 13: inLoop™ ACE Disassembly Diagram
17. Unscrew the cylinder base from the cylinder top and set the cylinder base aside. Note the internal outlet check valve
will be removed at this time.
18. Unscrew the cylinder top from the body.
19. Unscrew the body from the motor housing. Note the actuation shaft assembly will be exposed.
20. While holding the actuation shaft with a wrench at the wrench flats, use a second wrench to unscrew the shaft adapter
and piston. Note the internal inlet check valve will be exposed.
Internal Inlet Check Valve
Figure 14: Internal Inlet Check Valve Diagram
21. Unscrew the piston from the shaft adapter.
22. Unscrew the shaft adapter from the shaft.
23. Replace the O-ring on the shaft adapter, and then screw the shaft adapter back onto the shaft.
24. Remove the seat, poppet, and spring from the piston.
25. Examine the seat for damage or wear. Replace as necessary.
26. As necessary, replace the O-rings on the seat.
27. Examine the spring for damage or wear. Replace as necessary.
28. Examine the poppet for damage or wear. Replace as necessary.