Hypertherm Powermax125 Service Manua - Manual (Page 217)

Powermax125 Service Manual 808070 217
9 – Power Supply Component Replacement
Replacing the fan
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 end panel bracket on page 174.
d. See Remove the fan shroud on page 216.
2. Unplug the J1 connector from the back side of the power board.
Figure 78
3. Pull the fan wire and connector through the left grommet from the fan side of the power supply. (See Figure 79 on
page 218.)
4. Remove the 3 mounting screws located behind the fan flange.
5. Remove the fan from the power supply.
6. Orient the new fan so the wires extend from the top right of the fan (see Figure 79). Tighten the 3 supplied mounting
screws to 23 kg-cm (20 inch-pounds).
7. Route the fan wire through the left grommet.
8. Plug the fan wire connector into the J1 connector on the power board.
Kit number Description
228881 Kit: Powermax105/125 fan assembly
J1 J2 J3 J5 J6
J1 J2 J3 J5 J6