256BT Pneudraulic Installation Tool
(HK1109)
Alcoa Fastening Systems
11
15. Install O-rings (12d & 12b) and Back-up Rings (12e
& 12c) on Rear Gland (12a). Push complete
assembly into head. Screw in End Cap (13) and
tighten. (Fig. 9 & 10)
16. Install O-ring (48) & Back-up Ring (47) on Plug (57).
Install Ball (53), Valve Guide (54), Sleeve (55),
Spring (56) and Plug (45) into head. (Fig. 1 & 9)
17. Install O-ring (49) on Plug (50). Install Check Valve
Ball (43), Check Valve Guide (44), Spring (45) and
Plug (50) into head.
18. Push Pintail Deflector (14) onto barbed end of Pull
Piston (11a). (Fig. 9)
19. Place O-rings (33b) on Bleed Plugs (33a) and screw
assemblies into Handle
(Qty. 1)
and Cylinder Head
(Qty. 2)
. (Fig. 9)
20. Install O-rings (31c & 31e) & Back-up Rings (31b &
31d) on Pull Gland (31a). Install O-rings (15c & 15d)
and Back-up Rings (15b & 15e) on Return Gland
(15a). Push Gland Assemblies (15 & 31) into handle.
Push Head (9) down on glands. Place tool in a vise,
head down, and install 4 Screws (32) and torque to
170 inch pounds. (Fig. 5)
21. Tool is now completely assembled and ready for Fill
& Bleed.
A
A
SSEMBLY
SSEMBLY
(continued)
9
1
32
(4)
15
31
FIG. 5