Mendota E-FV44I ECHO SERIES Operations Instructions download pdf (Page 45)

Use an Alan Wrench

To loosen and remove

NG Pilot Orifice. Install

LP Pilot Orifice, Tighten

Down.

Pull Pilot Hood UP

and lift UP off the base.

WIRE

CLIP.

5. Using a ½” deep well socket wrench, remove Front and Rear Orifices.

6. Thread a new 3/64” drilled orifice to both Front and Rear Orifice mounting brass fittings. Tighten down orifices.

7. Remove the left-side access panel mounted to the left outer skin and lay down gently without disconnecting any wires of internal

components.

8. Install pilot orifice thimble ##977.168 see Figure below

for location. To remove Pilot Hood, use a screw driver to pry open the Wire Clip that is located at the base of the Pilot

Hood. Pull Upward and remove pilot hood. Use an Alan wrench to remove NG Pilot Orifice. (Pilot orifice thimble is lo-

cated inside pilot hood base).

9. Install LP Pilot Orifice. Tighten down using an Alan wrench. Replace Wire Clip in its original position.

10. Push Pilot Hood down into base until it snaps in place.

FRONT

ORIFICE

REAR

ORIFICE

DETAIL D

DETAIL C

REAR

BURNER

PILOT LIGHT

HOOD

FRONT

BURNER

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Mendota E-FV44I ECHO SERIES Operations Instructions Page 45