McElroy 28 - Install Clamping Inserts; Attach Carriage Assembly to Main; Set Hydraulic Pressure; Clean Surfaces

Attach Carriage Assembly to Main
Place the machine on the main.
Place a line bolster on main opposite the carriage assembly if
required.
Position the tailstock chains around the main and lock into the
chain hooks.
Tighten the machine onto the main using the tailstock clamp
knobs.
NOTICE: For main pipe sizes larger than 18”, it may be necessary
to remove the carriage from the chassis.
TX02137-07-11-03
Set Hydraulic Pressure
Check hydraulic pressure. Shift the selector valve to the center
position to set the pressure for heating (if heating pressure
differs from fusion pressure). With the selector valve in the down
position, the fusion pressure can be set.
Consult the pipe manufacturer for proper pressures.
TX00459-9-16-94
Install Clamping Inserts
Select and install appropriate clamping inserts in the movable
jaw(s).
TX00457-9-16-94
Special Operations
-
Saddle Fusion Procedure
PH00304-9-23-93
5 - 2
PH00387-9-21-94
CD00138B-9-12-94
Clean Surfaces
Use 50 or 60 grit utility cloth to clean and rough the main to
expose fresh material.
Rough the base of the fitting unless the manufacturer specifies
otherwise.
TX00460-9-16-94
PH00400-9-21-94