Lincoln Electric CV ADAPTER IM309-D - Manual (Page 20)

B-11 INSTALLATION
CV ADAPTER
B-11
K384 CV ADAPTER TO CLASSIC II
ENGINE WELDER
• TURN THE ENGINE OFF WHILE INSTALLING
THIS ACCESSORY.
• KEEP HANDS, HAIR, CLOTHING AND TOOLS
AWAY FROM MOVING PARTS WHEN STARTING
OR OPERATING ENGINE.
1. Remove roof assembly, back panel, top exciter
cover and bracket cover. See Figure 11A.
2. Mount CV Adapter (unit with “SA” above code
number) to the support holes. Use the one stud on
the Adapter case, a spacer, lockwasher, and nut on
one end and 3/8-16 x 1 hex head bolt and hard-
ware on the other end as shown in Figure 6. In
mounting the unit, be sure the fuel line and choke
cable are not pinched.
NOTE: FOR STEPS 3 THROUGH 11, REFER TO
L8594 OR L9071 CONNECTION DIAGRAMS.
3. Remove existing brown field lead from the black
lead on the positive rectifier terminal and connect
the brown field lead to CV Adapter lead 509 using
the existing push-on terminal. Tape up connection
and unused ring terminal. Rectifier located on back
of control panel. See Figure 11A.
4. Tape up ring terminal on CV Adapter lead 610 and
connect push-on terminal of CV Adapter lead 610
to black lead on positive terminal of rectifier.
5. Remove existing field lead from the center terminal
of the Fine Current Adjustment rheostat and con-
nect it to the CV Adapter lead 503 using #10-24 x
1/4 screw and nut provided. Insulate the connec-
tion with tape. For units with remote control, leave
blue lead from remote switch in place on center
terminal of rheostat.
6. Connect CV Adapter lead 602 to #602 on the ter-
minal strip. Also connect the CV Adapter lead 600
to #600 on terminal strip. If there are leads already
present at 600 and 602 on the terminal strip, the
leads remain there. See Figure 11A for terminal
strip location.
7. Connect CV Adapter leads “Neg” and “Pos” to the
back of the negative and positive output terminals
respectively. Tape these leads to generator lead
bundle for support.
NOTE: FOR STEPS 8 THROUGH 11, REFER TO FIG-
URES 7 AND 11A.
8. The negative generator brushholder, exposed
when bracket cover (see Figure 11A) is removed,
is at the 11 o’clock position when the commutator
is viewed from the control panel end of welder.
Remove the 5/16 bolt which connects the two
existing cables to the negative brushholder. Obtain
the thermostat assembly marked “250” and recon-
nect the two cables to the negative brushholder
with one end of the thermostat assembly bolts
between the cable lugs and the brushholder.
WARNING
FIGURE 11A