FasTest HPB Series Maintenance - Manual (Page 2)

REPAIR KIT INSTRUCTIONS
Roseville, MN
Ph: 1-800-444-2373
Fax: 651-645-7390
www.fastestinc.com
WP102 RevB 11/16/2012
Squeeze
Squeeze
** Back-Up Ring
(F)
Piston
Shaft
** Shaft O-Ring
(D)
** Piston Outer O-Ring
(G)
** Back-Up Ring
(F)
** Shaft O-Ring (D)
** Piston Outer O-Ring
(G)
Body
** Collet O-Ring (C)
** Piston Spring
(E)
Squeeze
Squeeze
Shaft,Collet,Body,
Piston Assy. (ZZ)
Collet Face
Collets Flush
with Sleeve
** Ret. Ring (A)
Spring (B)
** Ret. Ring (A)
Spiral
Groove
Wrench
Flats
** Piston Spring
(E)
Jaw/Body Assy
Jaw Threads
Piston Face
8. Collet O-Ring or Garter Spring(C) removal and replacement. Squeeze tightly around col-
lets with either hand. Using a repair pick, or similar tool remove o-ring (C). Replace with new
o-ring (C) to keep collets together on body.
Note: Collets are a matched set. If collet(s) fall off body they must be assembled
correctly. There is a spiral groove on the outside of collets that must be aligned as they
are assembled.
9. Spring force will push piston off of shaft. This will expose (D) & (F) on shaft.
10. Remove and discard the following items: (D), (E), (F) & (G). Use a sharp tool to remove
o-rings.
Reassemble:
Use all the new seals provided and lubricate lightly with silicone.
1. Install new piston outer o-ring (G).
2. Install the following two new items onto shaft (D) & (F).
3. Install new piston spring (E) into shaft. Then place piston onto spring as shown.
4. Using an arbor press or best set-up push shaft assembly into jaw/body assembly until piston
face is in past jaw threads. Squeeze collets with hand.
5. Maintain squeeze on collets and make sure balls are in holes on body.
Assembly (ZZ) is now ready to be inserted into sleeve.
6. Maintain squeeze on collets and
insert assembly (ZZ) into sleeve.
7. Insert assembly (ZZ) until collet faces are flush with end of sleeve.
8. Place connector on a flat surface and install spring (B) and new ret. ring (A).