ASSEMBLy AND USE
1. Position the electrofusion fitting
on the pipe. Remove the completion
plug O-rings and thread completion
plug into fitting (
A.
).
2. Position the Centering Clamp over
the fitting with the lower plate open
(
B.
) centering the pin on the central
hole of the completion plug (
B1.
) and
close the lower plate (
B2.
).
MUELLER
®
Shur Stop
TM
Unit 812 PE Line Stopping System
Operating Instructions
6
7
3. Align the pipe holder to the axis of
the pipe (
C.
).
4. At this point rotate the screw of the
centering clamp until the pipe holder
is in contact with the pipe (
D. & D1
).
CAUTIoN: The best
compression is the one where it
is impossible to insert a sheet of
paper between the fitting and the
pipe.
5. Perform the electrofusion
referring to the technical data
shown on page 3 and fitting
barcode.
6. Allow sufficient time for cooling.
7. Turn the screw of the centering
clamp counter-clockwise (
e.
).
8. Turn the lower plate and remove
the centering clamp (
F. & F1.
).
MAChiNe Use
A.
B2.
D1.
e.
F.
F1.
Electrofusion
Fitting
B1.
Pin
Central
Hole
Internal Plug
B.
Positioner
Lower
Plate
C.
Pipe Holder
D.
Screw
!
9. Unscrew the completion plug,
thoroughly clean the seat and insert
the sealing O-ring lubricating it with
PURITY-FG Spray or equivalent.
