2025 series Tooling
(HK1006)
Alcoa Fastening Systems
10
For component identification and Parts list refer to
Figures 2, 14, & 15.
NOTE: The following procedure is for complete
disassembly of tool. Disassemble only components
necessary to replace damaged O-rings, Quad rings,
Back-up rings, and worn or damaged components.
Always use soft jaw vice to avoid damage to tool. For
models 2025S & 2025SL, follow procedures for 2025
& 2025L.
1. Disconnect tool from air source.
2. Unscrew Retaining Nut (7) and remove nose
assembly.
3. Unscrew Bleed Plug (55), from top of Handle/head.
Turn tool over and allow fluid to drain into container
(Fig. 10 & 14).
4.
2025 & 2025L:
Pull Pintail Deflector (24) off End Cap
(21).
2025B & 2025LB:
By reaching through the window of
Pintail Bottle (24) remove Retaining Ring (62) and
Washer (63), then remove Pintail Bottle (24) and
Adapter (64). (Figures 14 & 15).
2025V & 2025LV:
(See
D
ISASSEMBLY
OF
P
INTAIL
B
OTTLE
AND
V
ACUUM
S
YSTEM
Procedure.)
5. Remove Throttle Arm Pivot Screw (48) and Lever
Guard (73), lift out Throttle Arm (53), and disconnect
ball end of Cable Assembly (2) from throttle arm.
6. Hold tool in vise with bottom up. (Fig. 2) Remove
Button Head Screws (40) with 1/8 hex key. Remove
End Cap (41) and Gasket (39). Remove Muffler (42)
from end cap. Remove Spring (49) from Throttle Valve
(Fig.14).
7. Tap Cylinder Head (45) down with soft mallet (to take
pressure off ring), and remove Retaining Ring (38)
(Fig.2).
8. Screw Button Head Screws (40) back into Cylinder
Head. Carefully pry on screws to remove head.
Remove O-ring (46).
9. Remove air piston from cylinder by pulling on Lock Nut
(43) with vise-grips. Remove Piston Quad Ring (47).
10. Remove Bumper (34) from Gland Assembly. Unscrew
Gland Assembly (25) with 1 3/8 socket wrench and
extension bar.
11. Remove SPIRO-LOX Retaining Ring (30) from gland
(26), pull out Spacer (29) and Polyseal (28). Then
remove O-rings (31 & 27), Quad Ring (33) & Back-up
Ring (32) (Fig. 14).
12. Lift cylinder (35) from handle/head (1).
13. Turn handle/head (1) over and drain fluid into
container. Discard fluid.
14. Pull Throttle Valve (52) out of air cylinder (35), and
remove O-Rings (50) (Fig. 14).
H
EAD
/
HANDLE
2025 & 2025L:
(Figures 3, 4 & 14)
15. Unscrew End Cap (21) and remove Spring (19),
Spacer (22) and Wiper Seal (23).
2025V:
See
D
ISASSEMBLY
OF
P
INTAIL
B
OTTLE
AND
V
ACUUM
S
YSTEM
procedure.
D
D
ISASSEMBLY
ISASSEMBLY
I
I
NSTRUCTIONS
NSTRUCTIONS
2025
2025
ALL
ALL
MODELS
MODELS
35
Timing Pin
40
41
42
38
45
46
43, 44
37
47
34
36
25
39
1
Figure 2
CAUTION: Care must be given not to
scratch piston rod or cylinder during
removal.
WARNING: Be sure air hose is disconnected
from tool before cleaning, or performing
maintenance. Severe personal injury may
occur if air hose is not disconnected.
