American Dryer Corp AD-170 service manual To Replace Gas Valve see burner illustration on

To Replace Gas Valve (see burner illustration on page 16)

1.Discontinue power to dryer.

2.Close shut-off valve(s) in gas supply line.

3.Disconnect gas valve wiring.

NOTE: Identify location of each wire for correct reinstallation.

4.Break union connection before gas valve.

5.Loosen and remove screws (4) securing pipe brackets to burner.

6.Remove gas valve/manifold assembly from dryer.

7.Remove valve mounting bracket, manifold, and piping from gas valve.

8.Reverse procedure for installing new gas valve.

WARNING: Test ALL connections for leaks by brushing on a soapy water solution.

NEVER TEST FOR LEAKS WITH A FLAME.

To Replace Main Burner Orifices

1.Refer to "To Replace Gas Valve" and follow steps 1 through 6.

2.Unscrew main burner orifices and replace.

NOTE: Use extreme care when removing and replacing orifices. These orifices are made of brass and are easily damaged.

3. Reversing the removal procedure for reinstalling.

NOTE: Test ALL connections for leaks by brushing on a soapy water solution.

NEVER TEST FOR LEAKS WITH A FLAME.

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