8
256 Pneudraulic Installation Tool (HK1015)
Alcoa Fastening Systems & Rings
For component identification and parts list, refer to
Figures 1-4, 10, & 11. 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.
1. Disconnect air hose from tool.
2. Remove nose assembly.
3. (Fig. 1) Insert Fill Tool through reservoir housing and
screw into Reservoir Plunger, locking it in the out
position.
4. Unscrew 4 Cap Screws with 5/32 hex key. Carefully
lift Tool Head straight up from Handle, and remove
Pull and Return Gland Assemblies. Remove seals
from glands.
5. Unscrew Relief Valve Plug from front of head.
Remove Relief Valve Spring, Guide, Sleeve and Ball.
A small magnet is helpful.
6. Unscrew Reservoir Fill Plug. Hold over waste oil
container and release fill tool slowly.
7. Unscrew Reservoir Housing from head. Remove 2
Springs. Slide Reservoir Plunger from head. Remove
spacer and Quad Ring. A pick may be used to
remove the quad ring.
8. Unscrew Check Valve Plug from side of head.
Remove Check Valve Spring, Guide, and Ball. A small
magnet is helpful. (Fig. 1)
9. If Check Valve Seat (Fig. 10) is damaged, contact
your HUCK representative. If Relief Valve Seat (Fig.
10) is damaged, it can be removed by using the
procedure described in step 10.
NOTE: If seats are
removed, they may not be reused; they must be
replaced.
10.
R
elief
V
alVe
S
eat
a
SSembly
R
emoVal
(Figs. 1 & 10)
Note: All parts in check valve hole must be
removed before Plug “A” can be removed.
Unscrew Screw “B”. Insert a #10 screw in the thread
of Plug “A”, and pull to remove. Using a small drift
and hammer, from rear side of head, drive Relief
Valve Seat Assy (Fig. 10) out toward the front of the
head.
11. Pintail Deflector can be pulled off barbed end at rear
of Hydraulic Pull Piston.
12. Unscrew Cylinder Cap from Cylinder/
Head using a 1-9/16 open-end wrench.
13. (Fig. 2) Place Spacer on Hydraulic Pull
Piston, and screw Assembly/Disassembly
Bullet onto piston. Tap or press piston
assembly out of head.
NOTE: This will
push out front and rear gland assemblies
and wiper and wiper housing.
14. (Fig. 11) Remove Throttle Arm Screw
from Throttle Arm, then remove Throttle
Arm. Pull Throttle Valve out of cylinder.
Remove Throttle Spring.
15. (Fig. 10) With a small punch and
hammer, drive Trigger Pin that retains the
Trigger from Handle. Remove Cable Pin.
Remove ball end of Cable from Throttle Arm
(Fig. 11), and pull cable out of handle.
16. Remove Reservoir Fill Plug from
handle. (Fig. 10)
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.
Figure 1
D i s a s s e m b ly
