MAINTENANCE
powermax30 Service Manual 3-31
6. Unscrew the element from the filter body while being careful not to allow the element to rotate.
7. Screw the new element onto the filter body.
8. Reattach the filter bowl.
9. Reposition the air filter assembly in the bracket and replace its retainer nut.
10. Route the drain hose through the hole in the base of the power supply.
11. Reconnect the gas supply and check for leaks.
12. Being careful not to pinch any of the wires, slide the cover back onto the power supply. Make sure that the
bottom edges are in the tracks. Position the handle over the holes in the top of the cover, then use the
2 screws to secure the cover.
13. Reconnect the electrical power.
Replace the air filter element
1. Turn OFF the power, disconnect the power cord, and disconnect the gas supply.
2. Remove the 2 screws from the handle on the top of the power supply. Remove the handle and then lift the
cover off the power supply.
3. Remove the drain hose from the hole in the bottom of the power supply’s base.
4. Unscrew the nut that holds the air filter in the bracket. Tip the bottom of the air filter away from the power
supply.
5. Unscrew the filter bowl from the body and remove it.
Nut
Bracket
Filter bowl
Drain hose
10. Attach the connector for the red and black wires on the left side of the fan to J5 on the power board.
11. Being careful not to pinch any of the wires, replace the Nomex barrier and slide the cover back onto the power
supply. Make sure that the bottom edges are in the tracks. Position the handle over the holes in the top of the
cover, then use the 2 screws to secure the cover.
12. Reconnect the electrical power and the gas supply.
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