Hobart Handler 140 Technical Manual page 19

12
13
Main
Transformer
T1
8
Thermostat
TP1
9
Gun Trigger
Receptacle RC3
10
Wire Speed
Control R2
11
Wire Drive
Motor
Handler 140
Rectifier SR1
14
Capacitor C1
15
Stablizer L1
16
Changeover
Polarity
Block
Welding Wire
(Electrode)
Work
14 Output Capacitor C1
Smooths DC weld voltage from
rectifier SR1.
15 Stabilizer L1
Smooths DC weld current.
16 Polarity Changeover Block
Terminals allow changing between
DCEP and DCEN processes.
17 Over Temperature Light PL1
Indicates that the transformer is
overheated.
AC Or DC Control Circuits
Weld Current Circuit
TM-258 267 Page 17