Lincoln Electric FLEX FEED 74 HT Operator's Manual page 23

FLEX FEED™ 74 HT
12a. For feeders with digital displays only:
a. Unbolt the wire drive lead from the bus bar with a
3/4" wrench.
b. Unbolt the bus bar from the case (1/4" Hex key) and
the input stud.
c. Using a 1/4" nut driver, remove the current
transducer and reassemble to the left side.
d. Reassemble the bus bar to the case and input stud.
e. Bolt the wire drive lead to the left side of the bus bar.
CURRENT
TRANSDUCER
WIRE DRIVE
LEAD
12b. For wire feeders with a gouging kit installed:
a. Swap the gouging lead and wire drive lead
positions by using a 11/16" wrench.
b. Swap the leads to the contactor coils. Lead 549A
attaches to the wire drive contactor. Lead 549B
attaches to the gouging stud contactor. Lead 552 is
common to both contactors.
13. Change the polarity of the motor leads by swapping
the large black and white leads in the motor harness
plug.
LEFT HAND
WIRE DRIVE
WHITE
MOTOR
LEAD
BLACK
BLACK
TACH
MOTOR
LEAD
LEAD
5 6 7 8
1 2 3 4
RED
TACH
LEAD
BLUE
YELLOW
TACH
TACH
LEAD
LEAD
FIGURE A.28
INSULATOR BUSHING
FIGURE A.29
RIGHT HAND
WIRE DRIVE
BLACK
TACH
LEAD
5
1
A-16
SPACERS
PLAIN WASHER
LOCKWASHER
BLACK
MOTOR
LEAD
WHITE
MOTOR
LEAD
6 7 8
2 3 4
RED
TACH
LEAD
BLUE
YELLOW
TACH
TACH
LEAD
LEAD
INSTALLATION