Mendota FV34 - Page 56

85-03-01107 FV34 DECOR Page 56
1. Using a ¼” Hex Driver, remove 4 screws that
secure the Burner Airbox inside the firebox.
2. Lift Up and remove Burner Airbox from Firebox.
3. To remove Burner, loosen and remove three
3/8” hex nuts that hold burner legs to firebox
floor. One leg is located on right side front and
two legs are located on backside of burner.
4. Slide Burner to the right about 1” and lift up
and remove from Firebox.
WARNING: It is of the utmost importance
that the correct burner orifice be installed
for the burner.
5. Locate and Identify the Burner Orifice
Spud. The Orifice Spuds can be removed
and installed using a ½” deep well socket
and ratchet.
WARNING: Make certain to Secure the Brass
fitting and flex supply tube attached to the orifice in place using a 1/2" open end wrench before attempting
to remove the burner orifice and also when installing and tightening the new LP orifice .
5. Thread a new #52” drilled orifice to Orifice mounting brass fittings. Tighten down orifice.
6. Locate Pilot Light on right side of firebox. While holding the pilot base body with large vice grips tightly, loosen Pilot
Light’s hex shape base using a 7/16” open end wrench. Rotate counter clock-wise ¼ turn to loosen.
7. Pilot arrives from the factory set for NG. Push NG/LP Adjustment Clip inward all the way to set it for LP. See detail view,
below. If you see “NAT” printing on the Adjustment Clip, this indicates that the pilot is set to burn NG. Push Clip in so
that “NAT” is not visible.
8. Tighten down Hex shaped base of pilot using a 7/16” open end wrench.
CAUTION: Always use one 7/16” open end wrench and one large pliers or vice grips tool to hold, loosen and
tighten pilot hood base to prevent damage to pilot mount bracket.
Figure 4-11 Orifices and Pilot Light
Figure 4-12 Pilot Body
Figure 4-13 Pilot Orifice
Selection
Figure 4-14 Pinch Pilot Base with Vice
Grips