Lincoln Electric RANGER SVM148-B Service Manual page 122

F-63
OUTPUT CAPACITOR BANK REMOVAL AND REPLACEMENT
PROCEDURE
1. Conduct this procedure with the engine
OFF.
2. With the 5/16" and 3/8" nut drivers, remove
the right case side.
3. With the voltmeter, check the voltage across
each of the four output capacitors. If a volt-
age is present, use a 25-watt resistor to dis-
charge each capacitor. See Figure F.18.
4. With the 1/2" wrench, remove the two nuts,
bolts, and washers holding the two heavy
leads (W14 and W3) and the two small leads
(#236A negative and #245 red, positive) to
the capacitor bank buss bars.
placement.
TROUBLESHOOTING & REPAIR
(RANGER 300 DLX ONLY) (continued)
FIGURE F.18 - OUTPUT CAPACITOR BANK
Note lead
RANGER 300 D AND 300 DLX
5. With the 5/16" nut driver, remove the four
mounting screws holding the capacitor bank
assembly to the base of the machine.
6. Carefully remove the capacitor bank assem-
bly.
7. To replace the capacitor bank assembly,
mount the assembly to the base of the
machine with the four screws previously
removed.
8. With the 1/2" wrench, attach the two heavy
leads and small lead previously removed to
the positive and negative capacitor buss
bars. Observe capacitor polarity.
9. Install the right case side.
F-63
CAPACITOR (4)
BUSS BAR (2)