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Electrode Routing
The electrode supply may be either from reels, Readi-
Reels, spools, or bulk packaged drums or reels.
Observe the following precautions:
a) The electrode must be routed to the wire drive
unit so that the bends in the wire are at a mini-
mum, and also that the force required to pull the
wire from the reel into the wire drive unit is kept
at a minimum.
b) The electrode is "hot" when the gun trigger is
pressed and must be insulated from the boom
and structure.
c) If more than one wire feed unit shares the same
boom and are not sharing the some power
source output stud, their wire and reels must be
insulated from each other as well as insulated
from their mounting structure.
WIRE DRIVE SPEED RANGE
SELECTION
The rated speed and wire size range for each wire
drive head is shown in the SPECIFICATIONS in the
front of this section.
Control Speed Range Setting
The speed range is set up to match the wire feed
head connected to the LN-10 control by properly set-
ting the switch (S1) code on the control board inside
the control box. See OPERATION “Setting the DIP
Switches” for setting instructions.
10 Series Wire Drive Ratio Selection
The 10 Series type drives include two external gear
sizes; a 1" dia. gear and a 1-1/2" dia. gear. The small-
er gear provides the low speed range ratio, and the
larger gear provides the high speed range ratio per
the SPECIFICATIONS in the front of this section.
The following procedure is for changing ratio of the 10
Series wire drive:
1) Pull open the Pressure Door.
2) Remove the Phillips head screw retaining the pin-
ion gear to be changed and remove the gear. If the
gear is not easily accessible or difficult to remove,
remove the feedplate from the gearbox. To remove
feedplate:
a) Loosen the clamping collar screw using a 3/16"
Allen wrench. The clamping collar screw is
accessed from the bottom of the feedplate. It is
the screw which is perpendicular to the feeding
direction.
b) Loosen the retaining screw, which is also
accessed from bottom of feeder, using a 3/16"
Allen wrench. Continue to loosen the screw
until the feedplate can be easily pulled off of the
wire feeder.
3) Loosen, but do not remove, the screw on the lower
right face of the feedplate with a 3/16" Allen
wrench.
4) Remove the screw on the left face of the feedplate.
If changing from high speed (larger gear) to low
speed (smaller gear), line the lower hole on the left
face of the feedplate with the threads on the
clamping collar. Line the upper hole with the
threads to install larger gear for high speed feeder.
If feedplate does not rotate to allow holes to line
up, further loosen the screw on right face of feed-
plate.
5) Install gear onto output shaft and secure with flat
washer, lock washer, and Phillips head screw
which were previously removed.
6) Tighten the screw on lower right face of feedplate.
7) Re-attach feedplate to wire feeder if removed in
Step 2.
8) Feedplate will be rotated out-of-position due to the
gear change. To re-adjust angle of feedplate:
a) Loosen the clamping collar using a 3/16" Allen
wrench. The clamping collar screw is accessed
from the bottom of the feedplate. It is the screw
which is perpendicular to the feeding direction.
b) Rotate feedplate to the desired angle and tight-
en clamping collar screw.
9) Make sure to properly set the switch (S2) code on
the control board inside the control box for the
new gear size installed. See OPERATION “Setting
the DIP Switch” for setting instructions.
A-2
INSTALLATION
LN-10
A-2
SAFETY PRECAUTION
ELECTRIC SHOCK can
kill.
• Turn the input power off at the power source
disconnect switch before attempting to connect
the input power to the LN-10 Control.
• Only qualified personnel should perform this
installation.
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