Fig. 4 Model AHC-B Control (Inside View)
2.4 RUN-IN OR SCRATCH-START MODES
2.5 SETTING POST-WELD GAS AND WATER FLOW
Selection of the starting mode, RUN-IN or SCRATCH-
a. A d j u s t t h e t i m e r o n t h e t i m e - d e l a y r e l a y
START, depends upon the type of wire and welding
(TDR101).
The timer is factory-set
NOTE:
for 5 seconds of post-weld gas and
TABLE II. Selection of Wire- Feed Starting Method
water flow. The adjusting screw has
a calibrated range of 0 to 99.
b. Turn
C . Open
Control door. Check reading of adjusting
screw.
d . Turn
adjusting screw counterclockwise to IN-
CREASE
t i m e flow interval, and clockwise to de-
crease.
60