Instruction manual

Pull Pressure:
This is the maximum hydraulic pressure of
the Pump which is set and adjusted with
the Main Pressure Relief Valve (5). In
particular, it controls the maximum
hydraulic pressure applied to the front of
the Tool Piston during the “Pull” stroke
(Pulling on the Fastener Pintail), enabling
the complete Fastener installation.
Swage Pressure:
Sometimes called Cut-Off Pressure, this is
the hydraulic pressure which is applied to
the front of the Tool Piston, enabling
swaging of the Collar during the
installation of Bobtail Fasteners when
using IT type Bobtail Tools. This pressure
Pressures - definitions
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Servicing Powerig
Only an appropriately qualified and competent person should service any Diesel Engine
hydraulic or electrical components.
A SEPARATE Manual is provided for the Diesel Engine.
Alcoa Fastening Systems Account Managers and Systems Engineers are located in your
area to offer assistance you require in solving your installation problems.
If you need assistance by telephone, please call Alcoa Fastening Systems Customer
Services at Telford UK. tel [phone]
is set using the Digital Pressure Switch (6)
and is adjusted to ensure complete
swaging of the Collar when the value of
the set Swage Pressure is reached. This
pressure will always be set lower than the
Pull Pressure.
Return Pressure:
This is the hydraulic pressure applied to
the rear of the Tool Piston and is set and
adjusted with the Pressure Switch (7). In
particular, it controls the maximum
hydraulic pressure applied to the rear of
the Tool Piston during the return stroke,
enabling the Tool/Nose Assembly to eject
from the installed Fastener.