www.norcold.com/cda
42
Refrigerator Service Manual
NX6 / NX8 / NXA Models
Burner Cleaning Procedure
1. Turn OFF power to the refrigerator.
2. Close the LP gas tank valve.
Step 3 through Step 5, refer to Fig. 27 on page 43.
3. Close the combination gas control valve manual shut-
off.
4. Remove the drip cup.
5. Remove the burner box cover.
The burner slots may be cleaned with a small
fl
at
fi
le.
The inner bore of the burner body may be cleaned with
a 3/16 in., double-spiral wire brush. Do not damage
the threads when cleaning the inner bore of the burner.
NOTE
NOTE
Do not insert any type of cleaning tool or wire into the
ori
fi
ce. Do not drill or ream the ori
fi
ce opening to clean
it. Insertion of any type of cleaning tools, reaming, or
drills through the opening will alter the volume of LP gas
fl
ow to the burner and create a
fi
re hazard potential.
Step 6 through Step 8, refer to Fig. 28 on page 43.
6. Disconnect the burner tube from the ori
fi
ce assembly.
7. Remove the ori
fi
ce assembly from the burner.
8. Remove the burner retaining screw.
9. Remove the burner from the burner box frame.
10. Clean the burner.
11. Visually inspect the ori
fi
ce. If dirty, wash the assembly
with alcohol then allow to air dry. Replace the ori
fi
ce
assembly if the cleaning fails to remove dirt or if the
condition of the ori
fi
ce assembly is questionable.
12. Clean any accumulation of dirt or debris from the burner
box base.
13. Reinstall the burner. Do not over tighten the burner's
retaining screw.
14. Install the ori
fi
ce assembly. First thread the ori
fi
ce
assembly into the burner
fi
nger tight, then
fi
nish
tightening using two wrenches.
15. Connect the burner tube. First thread the
fi
tting
fi
nger
tight, then
fi
nish tightening using two wrenches.
16. Install the burner box cover. Do not overtighten the
cover retaining screw.
17. Open the LP gas tank valve.
18. Open the solenoid gas valve manual shut-off.
19. Turn ON the refrigerator and select LP manual mode
operation.
20. Leak test LP gas connections during the 30 second trial-
for-ignition.
LP Gas System - cont’d.
!
WARNING
Burn hazard!
Allow the burner box and burner
components to cool before attempting to service the
burner assembly or components.
!
WARNING
To avoid gas leaks and prevent damage to
connections, piping, and components, always use
two wrenches to tighten the burner tube. A damaged
burner tube creates a potential for gas leaks.
!
WARNING
To prevent damage to connections, piping, and
components, always use two wrenches to loosen
the burner tube. A damaged burner tube creates a
potential for gas leaks.
!
WARNING
Do not attempt to repair LP gas leaks with the
refrigerator in operation. Before attempting to repair
a gas leak:
• Turn OFF the refrigerator.
• Close the LP gas valve and the solenoid gas valve
manual shut-off.
