User Guide

A-4
INSTALLATION
STT-10
A-4
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 minimum,
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 STT-10 Control is factory set for the 10 Series
low speed ratio wire drives. If using the Synergic 7F
wire drive, the speed range must be set up to match
this wire feed head by properly setting the switch (S1)
code on the control board inside the control box. See
OPERATION “Setting the DIP Switch” for setting
instructions.
10 Series Wire Drive Ratio Selection
The STT-10 Bench and Boom model packages come
with a 1" dia. gear only.
The K1563-1,-3 10 Series type Boom model wire drive
includes two external gear sizes; a 1"(25.4mm) dia.
gear and a 1-1/2"(38.1mm) dia. gear. The smaller
gear provides the desired low speed range ratio,
appropriate for the STT process per the SPECIFICA-
TIONS in the front of this section.
The following procedure is for changing ratio of the 10
Series Boom wire drive (K1563-1,-3):
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
feedplate.
5) Install the smaller, 1.00”(25.4mm) dia., 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) Install gear onto output shaft and secure with flat washer,
lock washer, and Phillips head screw which were previ-
ously removed.
8) Re-attach feedplate to wire feeder if removed in Step 2.
9 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.
10) Make sure to properly set the switch (S1) code on the
control board inside the control box for the new gear
size installed. See OPERATION “Setting the
DIP
Switch” for setting instructions.