28040-3-0511
Page 35
MILLIVOLT pILOT
Figure 33
INTERMITTENT pILOT
Figure 34
Annual inspection and cleaning by your dealer or qualified
service technician is recommended to prevent malfunction
and/or sooting.
TURN OFF HEATER AND ALLOW TO COOL BEFORE
CLEANING.
Remove any optional decorative covers or decorative glass material.
Gloves are recommended.
PERIODIC CLEANING - Refer to parts diagram for location of
items discussed below.
•
Do not use cleaning fluid to clean any part of heater.
•
Remove loose particles and dust from the burner, controls and
grate.
•
Inspect and clean burner air intake hole. Remove lint or particles
with brush. Failure to keep air intake hole clean will result in
sooting and poor combustion.
ANNUAL CLEANING/INSPECTION - Refer to parts diagram for
location of items discussed below.
•
Inspect and clean burner air intake hole. Remove lint or particles
with vacuum or brush. Failure to keep air intake hole clean will
result in sooting and poor combustion.
•
Inspect and clean all burner ports.
•
Inspect ODS pilot for operation and accumulation of lint at air
intake holes.
•
Verify flame pattern for proper operation.
•
Verify smooth and responsive ignition of main burner.
CLEANING AND SERVICING
pILOT FLAME CHARACTERISTICS
Cleaning and Maintenance/pilot
Oxygen Depletion Sensor Pilot (Figures 33 and 34)
When the pilot has a large yellow tip flame, clean the Oxygen
Depletion Sensor as follows:
1. Clean the ODS pilot by loosening nut B from the pilot tubing.
When this procedure is required, grasp nut A with an open end
wrench.
2. Blow air pressure through the holes indicated by the arrows.
This will blow out foreign materials such as dust, lint and spider
webs. Tighten nut B also by grasping nut A.
B
A
