Lincoln Electric POWER FEED 25M Service Manual page 70

E-2
TO POWER
SOURCE
INPUT
NETWORK
RECEPTACLE
CONNECTOR
FOOT AMPTROL
GENERAL DESCRIPTION
The POWER FEED® 25 Single Wire Feeder is a wire
feeder, consisting of two components - a wire drive
and a control box - are available assembled as a
bench unit or as a boom system. High speed, highly
reliable digital cables connect the components togeth-
er and to the Power Wave power source.
The POWER FEED® 25M Wire Feeder system has the
ability to connect to one power source, use the same
power source.
The powerful two roll wire drive system sets the indus-
try standard for ease of use. Its patented design allows
for tool-less change out of wire guides and drive rolls
greatly reducing set up time.
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THEORY OF OPERATION
FIGURE E.2 - GENERAL PHYSICAL DESCRIPTION
LEAD #67A
PUSH PULL
DAUGHTER
CONTROL BOARD
FEEDHEAD
DIP SWITCHES
HEATER LIGHT
COLD GAS
INCH/ SOLENOID
GAS
PURGE
NOTE: Unshaded areas of Block Logic
Diagram are the subject of discussion
POWER FEED® 25M
VOLTAGE
SENSE
LEAD #67
DRIVE
MOTOR
FEEDBACK
STATUS LED
GUN TIGGER AND
DUAL PROCEDURE
RECEPTACLE
2-STEP/
4-STEP
GENERAL FUNCTIONAL
DESCRIPTION
• The POWER FEED® 25M Wire Feeder is a highly
versatile wire feeder with easy to use features that
make it easy for the operator to adjust the arc for
specific preferences.
• The new MSP4 panel clearly displays key welding
information. Use the MSP4 panel to quickly adjust
weld settings, arc starting parameters, arc end para-
meters and set-up variables.
• The POWER FEED® 25M Wire Feeder is provided
with an infrared red (IR) port. Transferring welding
settings is accomplished with a common palm com-
puter.
• When the POWER FEED® 25M Wire Feeder is cou-
pled to a Power Wave welding power source, the
result is a welding system with absolutely superior
arc performance.
GEAR BOX
AND
CONDUCTOR
BLOCK
TACH
E-2