Norcold N500 - Cooling Unit Removal Procedures

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NOT FOR PUBLIC RELEASE
37
www.norcold.com/cda N500/N510 ModelsRefrigerator Service Manual
7. Remove refrigerator from enclosure.
a. Remove rear mounting flange screws.
b. Remove the breaker retaining screws.
c. Pull refrigerator from enclosure.
Removal of Cooling Unit
Units with fan:
a. Remove fan from bracket.
b. Remove bracket.
c. Remove thermostat from the first condenser fin.
d. Remove fan wiring.
1. Remove the drip cup retaining screw, then remove
the drip cup.
2. Remove the burner box cover retaining screw, then
slide the burner box cover to the left.
3. Remove the spark/sense electrode assembly:
a. Remove spark/sense electrode retaining screw,
then remove the spark/sense electrode
assembly from burner box with a twisting
motion.
b. Remove spark/sense electrode assembly and
burner box cover from refrigerator and burner
box.
4. Disconnect the burner tube from the gas valve.
5. Remove the burner assembly retaining screw, then
remove the burner assembly from the burner box.
6. Disconnect the spark/sense electrode wire: N500 -
reilghter; N510 - power board.
N500 units
a. Remove upper shroud.
b. Cut wire ties surrounding split loom cover.
c. Disconnect ground wire.
d. Disconnect gas supply to burner.
e. Disconnect and remove gas supply to gas
safety valve/thermostat assembly.
f. Remove manual shutoff.
g. Disconnect thermocouple. See Figure 20, page
24.
h. Disconnect capillary tube from the condenser
fins and thread through refrigerator cabinet.
Figure 32. N500 front and back views
Breaker
retaining
screws
Freezer
plate
screws
Fin
assembl
y
screws
Breaker
retaining
screws
Front View
Manual
shutoff
Drip
cup
Burner box
cover
Burner
assembly
Terminal block
Absorber
retaining
screws
Foam plug
Condenser
Heater
well
Burner
tube
Back View
Liquid heat
exchanger
Canister
door
Inline fuses
for ac and dc
heaters
Upper
shroud
Relighter