ESAB Slow Run-In Assembly Assembly Instruction

Brand: ESAB

Model: Slow Run-In Assembly

Type: Assembly Instruction

SLOW RUN-IN ASSEMBLY

P/N 37837

for 4HD Wire Feeders

INSTALLATION

TO PREVENT ACCIDENTAL ELECTRIC SHOCK, BE SURE CONTROL CABLE IS DISCONNECTED

FROM POWER SOURCE OR INTERFACE BOX BEFORE WORKING INSIDE THE WIRE FEEDER.

1. Make sure Primary Power Source is OFF.

2. Remove the outer cover from the wire feeder.

3. Remove the blank panel from the rear of the wire feeder and install the option module using the screws which

were removed from the blank panel. Refer to Figure 1 for installed position.

4. Locate and remove the jumper plug from the P5 connector on the speed control board (PCB1). DO NOT

DISCARD the jumper cable. If for any reason the option module is removed, the jumper must be reinstalled for

proper operation. Connect the cable supplied with the option module between the P1 connector of the module

board and the P5 connector of the speed control board.

5. A GRAY and a VIOLET wire in the main harness of the wire feeder have been left disconnected and are located

at the rear of the feeder. Locate these wires and connect them to the GRAY and VIOLET from the option module.

6. Two current detector assemblies have been supplied with the option module. One current detector (with 4-1/

2" leads) is required for the operation of the trigger lock function, and the second current detector (with 8" leads)

is required for the operation of the Slow Run-In function. The current detector consists of a "U" shaped steel

clip and a proximity sensor (see illustration on back page). Between the torch connection and the wire drive stand

there is a brass connection tube. Located behind the tube, on the sheet metal baffle, is a terminal bushing (TP-

2) and a snap bushing (see illustration).

7. To install the trigger lock current detector (4-1/2" leads), connect the leads from the proximity switch to the male

quick connect tabs on the terminal bushing (TP-2). To install the Slow Run-In Current Detector (8" leads), feed

the male barrel terminals through the snap bushing and connect to the female terminals on the (2) BLACK wires

from the option module. To complete the installation of the current detectors, remove one nut from the proximity

switch and place the "U" shaped clip over the brass connection tube with the open end down. Reinstall the

proximity switch, with the leads facing toward the inside of the feeder, and replace the nut. Do not overtighten.

8. F

or the Standard Mig 4HD Feeder:

Locate the RED wire in P4 connector on Wire Feeder Main Control P/C board. Cut the RED (if required) wire

approximately 2" from the connector, place the female faston (supplied) on one end and the male faston

(supplied) on the other end. Attach these leads to the RED leads from the option module.

9. For the Mig 4HD Feeder with Dual Schedule Option Installed:

Locate the jumper connector between P1 of the Dual Schedule P/C Board and P4 of the Wire Feeder Main

Control P/C board. Locate the wire connected to pin #3 of the jumper plugs (P1-1 and P4-3). Cut the wire

approximately half way between the plugs, place the female faston (supplied) on one end and the male faston

(supplied) on the other end. Attach these leads to the RED leads from the option module.

10.Reinstall the outer cover of the wire feeder and reconnect control cable.

SETUP

1. If slow run-in is desired, place the CONTINUOUS/RUN-IN/TRIGGER LATCH switch in the CONTINUOUS

position and set the Run-In potentiometer to the desired speed.

2. To set the actual welding wire feed speed, place the CONTINUOUS/RUN-IN/TRIGGER LATCH switch in the

RUN-IN OFF position and set the potentiometer on the front of the feeder to the desired speed.

3. If TRIGGER LATCH is desired, place the CONTINUOUS/SPOT/TRIGGER LATCH switch in the TRIGGER

LATCH position. Slow run-in is always "on" in the TRIGGER LATCH mode.

NOTE

• The trigger will not latch unless current is detected prior to release of the trigger.

If the arc is broken while the trigger is latched, the trigger will unlatch approxi-

mately three seconds after loss of current detect.

F-15-607A

May, 2000

Instructions for

Be sure this information reaches the operator.

You can get extra copies through your supplier.

F-15-607A 5/2000 Printed in U.S.A.

KNOB SKIRT - 951502 (4)

250K 2W POTENTIOMETER - 599670 (4)

INTERCONNECTING CABLE

(Supplied W/Module) (1)

TOGGLE SWITCH DPDT

950458 (1)

HOUSING CONTACT

CRIMP 16 PIN - 950098 (1)

Connect to P5 of Speed Control

Board (PCB1)

(2)

Brass

Connection

Tube

Terminal Bushing

(TP-2)

Snap Bushing

Current Detector

Module (External)

Module (Internal)

Snap Bushing

Terminal

Bushing

(TP-2)

Proximity Sensor - 951553 (1)

Annealed Clip - 34149 (1)

4 1/2" Leads

8" Leads

Current Detector (2)

Brass

Connection

Tube

ESAB Slow Run-In Assembly Assembly Instruction

ESAB Slow Run-In Assembly Assembly Instruction

ESAB Slow Run-In Assembly Assembly Instruction

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