128 Powermax30 XP Service Manual 808150 Revision 0
6 – Power Supply Component Replacement
Remove and install the ground wire from the heatsink to the air filter/regulator ground clip
1. Complete the following procedures:
a. Set the power switch to OFF (O), disconnect the power cord from the power source, and disconnect the gas
supply.
b. See Remove the power supply cover on page 88.
2. Remove the ground wire’s ring terminal from the screw that attaches it to the heatsink.
3. The ring terminal on the other end of the wire is attached to the ground clip on the air filter/regulator’s brass
“T” fitting. (See Figure 62.) Unscrew the old ground wire from the ground clip.
4. Attach the new ground wire’s ring terminal to the heatsink with a torque setting of 23.0 kg-cm (20 inch-pounds).
Be sure to reattach the ring terminals for the other two ground wires that connect to the
heatsink using the same screw.
5. Route the new ground wire through the notch in the center panel that is nearest the rear panel.
6. Use the screw to attach the wire to the air filter/regulator ground clip with a torque setting of 11.5 kg-cm
(10 inch-pounds). (See Figure 62.)
7. Complete the following procedures:
a. See Install the power supply cover on page 89.
b. Reconnect the gas supply and power cord, and set the power switch to ON (I).
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