Burner Adjustment
38
5. Loosen the locking screw and rotate the air band closed until black smoke
appears from the burner exhaust vent. Note which number the arrow now
points to.
6. Slowly open the air band until white smoke just starts to appear.
7. Turn air band halfway back to the black smoke position previously noted.
Tighten the locking screw.
8. Now fine tune the burner air by adjusting the shutter:
a. Locate the shutter as shown in Figure 14 below. The shutter is a thin
circular metal plate located on the outside of the air band. The shutter
adjusts independently from the air band and is used to fine-tune the
amount of intake air.
b. Observe that the aluminum pointer attached to the shutter. It points to the
same set of calibration numbers as the air band arrow. Observe which
number it points to at the start of this adjustment step.
c. Loosen the shutter lock screw. Turn the shutter using the aluminum
pointer until the exhaust is cleanest. Tighten the shutter lock screw.
Shutter Lock
Screw
Shutter
Figure 14
Содержание M157309M.1
Страница 48: ...Maintenance Repair 48 4 Reset the spacing as shown below in Figure 24 1 16 1 8 5 16 Electrodes Figure 24...
Страница 51: ...Parts Explosion Rev M 1 51...
Страница 54: ...Control Panel Wiring Diagram Rev M 1 54 Red LED Thermostat 12V Relay Switch Circuit Breaker...
Страница 55: ...Burner Wiring Diagram Rev M 1 55...
Страница 62: ...62 Manufactured by Northern Tool Equipment Co 2800 SouthCross Drive West P O Box 1499 Burnsville MN 55337 0499...