IC-SA-1511 (02/2014)
V/LNV Series Manual
4-5
Adjustments
5.
For burners with a gas pilot:
a. Disconnect the pilot line and loosen the locking screws on the pilot access cover located on the side
of the firing head.
b. Disconnect the high voltage ignition cable by pulling it straight back, away from the pilot assembly.The
pilot assembly will slide back and away from the diffuser.
c. Turn the assembly and retract it through the access hole.
d. Check the electrode position as shown in Figure 4-2.
e. Re-assemble in reverse order.
FIGURE 4-2.
Gas Pilot
Measure the position of the tip of the nozzle to the diffuser and compare it to the drawer assembly drawings
in section 4.4.5 for firetube applications and 4.4.6 for watertube or cast iron applications.
1.
Loosen the locking screws on the diffuser clamp.
2.
Slide the diffuser clamp along the length of the burner pipe until the correct dimension is obtained.
3.
Tighten the diffuser clamp securely to the burner pipe. Apply a lock-tight type compound to the screws
before tightening.
4.
Carefully install the drawer assembly into the burner. Reconnect the oil line and high voltage power cable
to the assembly.
Measure the position of the diffuser to the air baffle and compare it to the drawer assembly drawings in
section 4.4.5 for firetube applications and 4.4.6 for watertube or cast iron applications.
1.
Measure the distance between the leading edge of the diffuser and the front face of the inner ring on the
air baffle assembly.
2.
If adjustment is required, loosen the burner pipe locking setscrew located on the rear cap at the top of
the fan housing and slide the burner pipe until the correct dimension is obtained.
3.
Tighten the burner pipe locking setscrew securely.
14.18
1.00
WITHIN
ELECTRODE END
"
TUBE END
TIP TO TUBE
GAP OF .16"
656-10213-000