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Heartland Appliances Metro Service Manual page 46

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Procedure 28
Step 1: Before replacing surface
electrode, ensure it is clean of food
deposits (an emery board can be
used to remove solid food
substances). Also ensure that caps
are correctly positioned (see
Procedure 27) before an electrode
is replaced.
Step 2: Disconnect power supply
to range
Step 3: Remove back panel (see
Procedure 32)
Step 4: Remove burner rings from
suspect electrode
Step 5: Test electrode for
continuity by placing tip of probe on
head of electrode and other end on
the electrode wire to the spark
module (pull wire from module)
Step 6: If no continuity at
electrode, pull wire from electrode
and test wire for continuity. If wire
is in order, replace electrode.
Step 7: To replace electrode, turn
center brass nut CCW 3 to 4
revolutions.
- Electrodes
Step 8: Prop top up (see
Procedure 35)
Step 9: remove "C" clip holding
electrode to base with needle nose
pliers by sliding off horizontally from
underneath the top.
Step 10: Pull wire from faulty
electrode and transfer to new
electrode.
Step 11: Place electrode onn
burner base by squeezing "C"
clamp between electrode and
burner bowl slot.
Step 12: If electrode and wire test
in good condition, check wiring and
connections at spark module (see
Procedure 22) or at ignition switch
(see Procedure 23)
Step 13: Burner bases may not be
sitting flush or may be damaged.
To replace, remove three screws
securing base to burner bowl.
Step 14: Prop top up (see
Procedure 35).
Step 15: Disconnect faulty burner
base from aluminum tubing (please
be careful not to damage or kink
tubing).
46
(Surface & Grill)
Step 16: Grill models. To replace
damaged or faulty grill electrodes,
remove range's back panel (see
Procedure 32).
Step 17: Remove grill components
Step 18: Remove screw holding
electrode to burner's mounting clip.
Step 19: Disconnect electrode wire
from spark module and pull through
into the grill cavity.
Step 20: Feed new wire through
hole at the end of grill cavity and
attach to spark module.
Section 5-3
MLSM2003-01-03

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