Lincoln Electric SVM107-B Welder User Manual


 
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TROUBLESHOOTING & REPAIR
F-56 F-56
RANGER 8
OUTPUT RECTIFIER BRIDGE REMOVAL
AND REPLACEMENT (continued)
FIGURE F.13 - OUTPUT RECTIFIER CONNECTIONS
Mounting Screws
with
Insulators
+
S2
Machine Front
-
To S1 Range Sw.
To S2 Polarty Sw.
W1
Choke
#10
To Polarity Switch
#8
PROCEDURE
1. Remove the engine spark plug wires.
2. With the 5/16” nut driver, remove the 6 sheet
metal screws from the case top.
3. Remove the rubber gasket (cover seal) from
the lift bail.
4. Remove the fuel cap. The rubber gasket for
the fill tube will come off with the case top.
5. Remove the case top, then reinstall the fuel
cap.
6. With the 5/16” nut driver, remove the 5
screws holding the right case side.
7. Remove the right case side by lifting up and
out.
For the remaining steps, refer to Figure F.13.
8. With the 1/2” wrench, remove the choke
lead and the #10 lead (Blue) from the recti-
fier positive heat sink.
9. With the 1/2” wrench, remove the heavy
cable and the #8 lead (Blue) from the rectifi-
er negative heat sink.
10. WIth the 7/16” wrench, remove the W1 lead
and the heavy lead going to the S2 Polarity
switch.
11. With the 7/16” wrench, remove the S2 lead
and the heavy lead going to the S1 Range
switch.