Main Burner And Orifice Removal; Pilot Removal; Combustion Fan Removal - Raypak 133 Installation & Operating Instructions Manual

Main burner And Orifice
Removal
1. Remove burner tray. (See Burner Tray Removal
procedure on page 34.)
2. Remove (8) screws from the hold-down brackets.
3. Remove (8) screws from the left and right sides of
the manifold assembly. Detach the manifold
assembly from the burner tray assembly.
4. Use a long ½" socket wrench to remove orifices
from the gas manifold.
5. Remove burners by raising the bracket on the
back end of the burners up and out of their slots.
6. Reverse above procedure to re-install.

Pilot Removal

1. Disconnect pilot tubing from gas valve.
2. Remove (4) screws from control box. Open the
control box.
3. Remove the pilot wire from the ignition wire.
4. Remove (2) screws that mount the pilot bracket to
the air manifold assembly.
5. Pull the pilot bracket downwards and outwards.
6. Reverse above procedure to re-install.
Fig. 36: IID Pilot

Combustion Fan Removal

1. Remove burner tray. (See Burner Tray Removal
procedure on page 34.)
2. Remove (4) screws that mount the combustion
blower to the manifold assembly.
3. Reverse above procedure to re-install.
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