Service And Maintenance; Tank (Sediment) Cleaning; Vent System Inspection; Burner Inspection - Maytag HXN4975S User Manual

Tank (Sediment) Cleaning

Sediment build-up on the tank bottom may create varying amount
of noise, if left in the tank will cause permanent tank failure. In
some water areas, sediment can be removed by draining off
approximately one gallon of water each month.

Vent System Inspection

At least once a year a visual inspection should be made of the
venting system. You should look for:
• Obstructions which could cause improper venting. The
combustion and ventilation air flow must not be obstructed.
• Damage or deterioration which could cause improper venting
or leakage of combustion products.
• Rusted flakes around top of water heater.
Be sure the vent piping is properly connected to prevent escape
of dangerous flue gases which could cause deadly
asphyxiation.
Obstructions and deteriorated vent systems may present serious
health risk or asphyxiation.
Chemical vapor corrosion of the flue and vent system may occur
if air for combustion contains certain chemical vapors. Spray
can propellants, cleaning solvents, refrigerator and air
conditioner refrigerants, swimming pool chemicals, calcium and
sodium chloride, waxes, bleach and process chemicals are
typical compounds which are potentially corrosive.
If after inspection of the vent system you found sooting or
deterioration, something is wrong. Call Maytag Customer
Service at 1-800-788-8899 for an authorized servicer or your
local gas supplier to correct the problem and clean or
replace the flue and venting before resuming operation of
the water heater.

SERVICE AND MAINTENANCE

22

Burner Inspection

Flood damage to a water heater may not be readily visible or
immediately detectable. However, over a period of time a flooded
water heater will create dangerous conditions which can cause
DEATH, SERIOUS BODILY INJURY, OR PROPERTY DAMAGE.
Contact the Maytag dealer from whom the appliance was
purchased or call Maytag Customer Service at
1-800-788-8899 for an authorized servicer to replace a
flooded water heater. Do not attempt to repair the unit! It
must be replaced!
At least once a year a visual inspection should be made of the
main burner and pilot burner, see Figure 24.
You should check for sooting. Soot is not normal and will impair
proper combustion.
Soot build-up indicates a problem that requires correction before
further use. Turn "OFF" gas to water heater and
leave off until repairs are made, because failure to correct the
cause of the sooting can result in a fire causing death, serious
injury, or property damage.
FIGURE 24.

Burner Cleaning

If inspection of the burner shows that cleaning is required, turn
the gas control knob clockwise (
depressing slightly.
NOTE: The knob cannot be turned from "PILOT" to "OFF"
unless knob is depressed slightly. DO NOT FORCE.
Loose deposits on or around the burner can be removed by
carefully using the hose of a vacuum cleaner inserted through
the access door of the water heater. If the burner needs to be
removed for additional cleaning, call Maytag Customer Service
at 1-800-788-8899 for an authorized servicer to remove and
clean the burner and correct the problem that required the
burner to be cleaned.
NATURAL
PROPANE
) to the "OFF" position,