252 Powermax125 Service Manual 808070
9 – Power Supply Component Replacement
Replacing the front panel
Remove the front panel
1. Complete the following procedures:
a. See Disconnect the power and gas supply on page 166.
b. See Remove the power supply cover on page 172.
c. See Remove the component barrier on page 173.
d. See Remove the end panel bracket on page 174.
e. See Remove the fan shroud on page 216.
2. Remove the current adjustment knob and operating mode switch knob from the front panel by pulling them straight
off their respective posts. (See Figure 107 on page 253.)
3. Carefully tilt the top of the front panel away from the power supply. The front panel is still attached to the bottom of
the power supply and can only move a short distance.
4. Remove the 3 screws that secure the control board to the front panel. Two screws are installed at the top of the
control board, one at each end. The third screw (not shown) is installed in the middle of the control board along the
bottom edge.
Access the third screw from the fan side of the power supply.
5. Carefully slide the control board from behind the front panel toward the power board side of the power supply.
6. Disconnect the ribbon cable from the control board and set aside the control board.
Kit number Description
228866 Kit: Powermax105/125 front panel
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