Lincoln Electric COMMANDER SVM145-B Service Manual page 76

F-20
POWER MODULE CAPACITOR DISCHARGE PROCEDURE (continued)
FIGURE F.4 – POWER MODULE CAPACITOR TERMINAL DISCHARGE
TEST PROCEDURE
1. This procedure must be performed with the
engine off.
2. Using the 3/8" wrench, remove the front left
and right side panels.
3. Locate the two power modules (one on
each side). See Figure F.4.
TROUBLESHOOTING & REPAIR
POWER
MODULE
COMMANDER 300
4. Using the resistor and jumper leads, CARE-
FULLY discharge the capacitor terminals.
NEVER USE A SHORTING STRAP FOR
THIS PURPOSE. DO NOT TOUCH THE
TERMINALS WITH YOUR BARE HANDS.
Repeat procedure on the other side.
5. Check the voltage across the capacitor ter-
minals. It should be zero volts.
F-20
CAPACITOR
TERMINALS