THERMOSTAT, OVEN CAVITY HI-LIMIT – REPLACEMENT
1.Shut off power at main breaker.
2.Remove control box cover and front panel. Remove conveyor assembly and fingers from oven to aid in removal of thermostat from oven.
3.Disconnect wires from thermostat and mark for reassembly.
4.Remove thermostat from oven.
5.Reassemble in reverse order and check system operation.
BURNER IGNITOR - REPLACEMENT
1.Shut off power at main breaker.
2.Remove control panel top and front cover.
3.Remove burner assembly. (SEE "BURNER ASSY.")
4.Remove pilot shield and pilot shield extension.
5.Remove burner ignitor.
6.Reassemble in reverse order (spark gap approx. .100 in. or 2.5 mm) NOTE: Be sure to reconnect burner ignitor cable to ignition control.
BURNER ALARM – REPLACEMENT
1.Shut off power at main breaker.
2.Remove control panel top and front cover.
3.Remove two wires from alarm and mark for reassembly.
4.Remove mounting ring from burner alarm and remove alarm.
5.Reassemble in reverse order and check system operation.
SPARK GENERATOR – REPLACEMENT
1.Shut off power at main breaker.
2.Remove two wires for spark generator.
3.Unplug connector on bottom of spark generator.
4.Remove two mounting screws and remove spark generator.
5.Reassemble in reverse order and check system operation.
AIR PRESSURE SWITCH – REPLACEMENT
1.Shut off power at main breaker.
2.Remove control panel top and front cover.
3.Disconnect wires from air pressure switch and mark for reassembly.
4.Remove air switch tube from air pressure switch.
5.NOTE: There are two types of air pressure switches used. Remove air pressure switch from its mount.
6.Reassemble in reverse order and check system operation.
7.To adjust air pressure switch, remove cover from switch to expose adjusting screw. To increase sensitivity, turn screw
THERMOCOUPLE (TYPE K) - REPLACEMENT
1.Shut off power at main breaker.
2.Remove control panel top and front cover.
3.Slide thermocouple out of oven chamber.
NOTE: Remove conveyor and bottom fingers to aid in removal and installation of thermocouple.
4.Remove two (2) wires from temperature control. Make note of wire numbers or color and location for reinstallation.
5.Reassemble in reverse order making sure the metal end on the thermocouple is in the wire form in the oven chamber.
Impinger I – Adv Digital – Gas Service Manual – International | 15 |