Temco Tool 36TDVN - Manual (Page 30)

30
TDVN Series Direct Vent Gas Fireplace
20007636
Replace Pilot Orifice
1. The pilot hood is held in place by spring pressure.
Remove the hood by pulling it directly up from the
pilot bracket. (Fig. 47)
2. Insert a 3/32” (4mm) Allen wrench into the hexago-
nal keyway of the injector (Fig. 47) and rotate it
counterclockwise until it is free of the injector journal.
(Fig. 47)
Kit Number
Conversion Parts Included with Kit 33DVCKP 36DVCKP 39DVCKP
Main Burner Orifice - LP 76776 20007908 20007907
Label, Conversion 10002876 10002876 10002876
Pilot, Orifice - LP 76263 76263 76263
Conversion Pressure Regulator Assembly - LP 74655 74655 74655
Label, SIT Valve -- -- --
T207
remove pilot hood
1/8/04 djt
Pilot
Hood
Conversion
Orifice
Allen
Wrench
T207
Fig. 47 Remove pilot hood and orifice. Insert conversion
orifice.
3. Verify that the new injector is proper for the applica-
tion. The injector size is stamped on the side of the
injector near the top. LPG injectors have a groove
machined around their circumference near the top,
while the NG injectors do not have a groove. (Fig.
48) Install the conversion orifice furnished with unit
(Conversion Kit).
T208
conversion
injectors
1/8/04 djt
T208
LPG NG
Fig. 48 Injectors.
4. Insert the Allen wrench into the end of the injector.
Insert the injector into injector journal, and rotate
the injector clockwise until a torque of 9 in/lbs. is
achieved. Replace the pilot hood by aligning the
tab on the base of the hood with the slot in the side
of the pilot journal. Push the hood down directly
onto the pilot bracket. (Fig. 47) The hood must sit
squarely on the bracket for proper operation. Check
to insure the hood is properly seated onto the pilot
bracket.
Convert Valve to LP
1. Using a Torx T20 bit or slotted screwdriver, remove
and discard the three (3) pressure regulator mount-
ing screws (A), pressure regulator tower (B) and
diaphragm (C). (Fig. 49)
2. Insure the rubber gasket (D) is properly positioned
and install the new HI/LO pressure regulator assem-
bly to the valve using the new screws (E) supplied
with the kit. Tighten screws securely. (Fig. 50)
3. Install the enclosed installation label (F) to the valve
body where it can be seen.
4. Apply gas to system and relight appliance according
to manufacturer’s instructions.
5. With the main burner “ON”, test the new pressure
regulator assembly for leaks using a soap solution.
6. Relight the main burner in both the HI and LO posi-
tions, and verify proper burner ignition and opera-
tion.
7. Check inlet and manifold pressures. Loosen screw
in test port 1/2 turn to measure pressure. Tighten
screw when measurement is complete.