REBUILD/REPAIR INSTRUCTIONS
Page 6 of 9
Roseville, MN
Ph: 1-800-444-2373
Fax: 651-645-7390
www.fastestinc.com
WP172 Rev A 08/2/2021
15. Using arbor press and non-marring pin against main
seal, press piston into body until collets/jaws can
collapse around the piston. Lock arbor in place.
16. Next step is to install the collet/jaw spacer segments in
between each collet/jaw segment.
17. Raise the spacer collar up towards the bottom end of
collet/jaw segments.
18. Insert spacer segments one at a time.
19. Slip the spacer under the collet o-ring.
SPACER SHOWN IN RED FOR CLARITY
OF POSITION.
20. Place collar notch of the spacer segment
into the groove of the collar.
21. The other end of the spacer goes into the groove on the piston.
22. Install all six segments.
23. Collet/jaw o-ring helps to retain the spacer segments until sleeve is slid up and
into place.
PISTON GROOVE
COLLAR NOTCH
PISTON GROOVE
COLLAR GROOVE