How To Care For Your Furnace - Williams 2509822 Owner's Manual

Caring for Your Furnace

How to Care for Your Furnace

WARNING: Danger of bodily injury or death. Turn
off electric power supply at disconnect switch, fuse
box or service panel before removing any doors or
access service panels from unit.
ANNUAL UPKEEP NEEDED
It is recommended that a qualified service technician perform
these maintenance checks at the beginning of each heating
season.
CABINET FINISH
Clean cabinet with damp cloth. Never use abrasive cleaners.
Cabinets are finished with heat resistant powder paint.
refinish or paint.
FURNACE AREA
Keep the area near the furnace clear and free from combustible
materials, gasoline and other flammable liquids and vapors.
COMBUSTION AND VENTILATION AIR
The combustion and ventilation air supply must not be blocked.
Do not put anything in or on the furnace cabinet.
circulation and more effective heating, do not place obstructions,
furniture or other items closer than four-feet in front of the furnace
or two-feet from each side of the furnace.
CLEANING BLOWER (IF APPLICABLE)
Shut off electricity. Clean any lint or dirt from fan blades, fan
motor and exposed air passages.
BURNER CLEANING
If cleaning is required, contact a qualified service technician to
clean and service burner. To remove burner(s):
Open burner compartment door.
1.
Shut off gas supply to furnace.
2.
Disconnect gas line inside cabinet at ground joint union
3.
fitting. (Figure 24).
Remove (2) screws securing burner pan assembly to inner
4.
liner.
Pull burner pan assembly forward approximately 1/2-inch
5.
and drop down to expose the top of the burner.
Clean all foreign materials from the top of the burner.
6.
After cleaning, replace burner pan assembly by reversing
7.
above procedure.
24
PILOT BURNER
Using the instructions in "Lighting the Pilot", leave thermostat at its
lowest setting. Pilot flame should surround the generator tip 1/4
to 3/8-inches. If flame needs adjusting, do so as follows:
1. Insert small screwdriver into the pilot adjusting screw
(Figure 23).
counterclockwise to increase flame, clockwise to decrease.
2. Turn thermostat to highest setting. Main burner should light
quickly and smoothly.
Main burner should go out. Pilot should remain lit.
Never
FIGURE 23 – Adjusting the Pilot
For better
VENT SYSTEM
Make sure that no parts of the venting system are blocked or
rusted. Clean or replace before using the furnace.
FIGURE 24 – Disconnecting Gas Line
Adjust flame as needed.
Turn thermostat to lowest setting.
Turn screw