Instruction manual

Huck-Spin® Series Tooling (HK1076) Alcoa Fastening Systems
29
Cylinder & Piston Assemblies (cont.)
8. Install Piston Insertion Plug, Huck part
number 123494, in back (unthreaded)
end of Piston. (Figure 31)
9. Install GLYD Ring Insertion Tool,
Huck part number 121694-HS52, in
Cylinder.
10. Push Piston into Cylinder so that Piston
Insertion Plug protrudes from rear of
Cylinder.
11. Remove GLYD Ring Insertion Tool and
Piston Insertion Plug.
12. Inspect and clean internal and external
grooves of Cylinder End Cap. (Figure
32)
13. Liberally apply lubricant to O-rings,
Back-up Ring, Wiper and Step Seals,
and install as shown in Figure 32.
NOTE: Before installing Step Seals,
be sure that notch of seal is oriented
toward inside of End Cap as shown.
14. Screw Piston Assembly Tool onto
Piston, and slide Cylinder End Cap over
Piston Assembly Tool. (See Figure 28)
121694-HS52
GLYD Ring
Insertion Tool
123494 Piston
Insertion Plug
Piston Insertion
Plug must
protrude from
back end of
Cylinder
Figure 31
O-rings
Inspect and clean
out all Seal grooves.
Step Seals
Install Step Seals
so that notches of
Seals are toward
inside of Cylinder.
Cylinder End Cap
Back-up
Ring
O-ring
Wiper
Fold internal seals as shown
above for easiest insertion.
Figure 32
A
A
SSEMBLY
SSEMBLY
(
(
CONTINUED
CONTINUED
)
)