Enviro EG28-120 - Manual (Page 11)

11
Maintenance And Service
b) Insert a 5 /
32
” or 4 mm Allen wrench into the
hexagonal key-way of the screw (see Figure 10),
rotate it counter-clockwise until it is free and
extract it.
c) Check that the screw is clean and if necessary
remove dirt.
d) Flip the screw (refer to Figure 11).
e) Using the Allen wrench as shown in Figure 10,
rotate the screw clockwise until a torque of 9 inch
lbs. WARNING! Do not over tighten the screw.
It is recommended that you grip the wrench by
the short side.
f) Verify that if the conversion is from NG to LPG,
the screw must be re-assembled with the red o-
ring visible (refer to Figure 12). If the conversion
is from LPG to NG, the red o-ring of the screw
must be not visible. Figure 11: Flip valve
screw.
g) Re-attach the black protection
cap that was removed in step a
(Figure 9).
8. Reinstall the burner, brick panels,
log set, embers, and glass door.
Also refer to S
ECONDARY
I
NSTALLATION
- I
NSTALLING
L
OG
S
ET AND
E
MBERS
. When
re-installing the burner, ensure that
the pilot hood in in line with the
Figure 12: O-ring on valve screw.
small hole at the edge of front and rear burner. On some units you will need to pay special attention
when installing the burner that the venturi adjustment rod is properly installed into the venturi
adjustment piece welded to the burner venturi tube
9. Reconnect the main gas line if it was disconnected and open the shut-off valve at the gas line to the
unit.
10. Use a small brush to apply a warm soapy water solution to all gas connections (use a half dish soap
and half warm water). If a gas leak is present, bubbling will occur. Gas leaks can be repaired by
using an approved pipe thread sealant or approved Teflon tape. NEVER USE AN OPEN FLAME WHEN
TESTING FOR LEAKS.
11. Reconnect the electrical power to the unit.
12. Relight the main burner in both the “HI” and “LO” positions to verify proper burner ignition and
operation and proper flame appearance. Also refer to S
ECONDARY
I
NSTALLATION
- L
OG
S
ET AND
E
MBERS
I
NSTALLATION
for a flame appearance picture.
13. MAKE SURE that the conversion label is installed on or close to the rating label to signify that the
unit has been converted to a different fuel type.
Figure 10: Removing valve
screw.
7. Convert the SIT gas valve:
a) Remove the black protection cap from the HI/LO knob by hand shown in Figure 9.