Quadra-Fire HUDBAY-FS Owner's Manual page 23

With a 5/8 in. wrench remove the orifice retaining
Figure 6.5
nut. Replace with appropriate orifice. (.076 LP / .125 NG)
Remove pilot hood and set aside.
Figure 6.6
NOTE: Do not remove retaining clip from pilot hood.
Using a 5/32 in. allen head wrench, remove pilot
Figure 6.7
injector and replace with an appropriate injector. (#35 LP /
#62 NG)
NOTE: If installing brick also, do so now before reassem-
bling. If not installing brick, reassemble burner in reverse
order.
Quadra-Fire • Hudson Bay • 7003-121 Rev. Q • 8/13
2. Valve Regulator Replacement
WARNING
Fire Risk.
Explosion Risk.
• Disconnect any electrical cords and
turn off gas supply to unit before
proceeding if converting fuel on an
appliance already fully installed.
Remove upper and lower back shield. Loosen the set col-
lars on the extension rods with the 3/32 in. Allen wrench.
Remove the rods and adapter cap.
Turn control knob to the OFF position, ensure that
Figure 6.8
gas supply to the valve has been turned off. Using a Torx
TH20, or slotted screwdriver, remove the three pressure reg-
ulator mounting screws (A), pressure regulator tower (B),
and diaphragm (C).
F
Ensure that the rubber gasket (D) is properly posi-
Figure 6.9
tioned and install the new HI/LO pressure regulator assem-
bly to the valve using the new screws (E) supplied with the
A
B
C
E
D
Page 23