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A warning, Maintenance – Kenmore 505 User Manual

Page 28

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MAINTENANCE

A WARNING

Turn off the electrical power supply, the manual gas valve
and the manual water control valve whenever servicing the
unit.

Lime / Scale Build-up

Repairs and maintenance should be performed by a
qualified service technician. The appliance should be
inspected annually by a qualified service technician.

Verify proper operation after servicing.

Cleaning

It is imperative that control compartments, burners, and

circulating air passageways of the appliance be kept
clean.

Clean as follows:

1. Turn off and disconnect electrical power. Allow to

cool.

2. Remove and clean the water inlet filter.

3. Remove the front panel by removing 4 screws.

4. Use pressurized air to remove dust from the main

burner, heat exchanger, and fan blades. Do not
use a wet cloth or spray cleaners on the burner. Do
not use volatile substances such as benzene and

thinners. They may ignite or fade the paint.

5. Use soft dry cloth to wipe cabinet.

Vent System

The vent system should be inspected at least annually
for blockages or damage.

Motors

Motors are permanently lubricated and do not need
periodic lubrication. Keep fan and motor free of dust and
dirt by cleaning annually.

Temperature Controller

Use a soft damp cloth to clean the temperature
controller. Do not use solvents.

If you receive Error Code “LC”, refer to the procedure.
Flushing the Heat Exchanger. Refer to the section on

Water Quality to see if your water needs to be treated or
conditioned. (When checking maintenance code history,
“00” is substituted for “LC”.)

Snow Accumulation

Keep the area around flue terminal free of snow and ice.

The appliance will not function properly if the intake air
or exhaust is impeded (blocked or partially blocked) by
obstructions.

Visual Inspection of Flame

The burner must flame evenly over the entire surface
when operating correctiy. The flame must burn with a
clear, blue, stable flame. See the parts breakdown of the

burner for the location of the view ports.

The flame pattern should be as shown in the figures

beiow.

SATISFACTORY

FRONT VIEW

BLUE FLAME

FLAME ROD

UNSATISFACTORY

FRONT VIEW

YELLOW FLAME

FLAME ROD

Figure 14

28

305 & 505 Indoor Manual