Desa B350CEA - Manual (Page 14)

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SERVICE
PROCEDURES
Upper Shell Removal
1. Remove screws and
lockwashers along each side
and top of heater using 5/16"
nut-driver. These screws
attach upper and lower shells
together (see Figure 5).
2. Lift upper shell off.
Fan Blades
1. Remove upper shell (see
above).
2. Clean fan blades with clean,
soft cloth moistened with
kerosene or solvent (see
Figure 6).
3. Dry fan blades thoroughly.
4. Replace upper shell.
WARNING
Never service heater while it is plugged in, operating, or hot.
Severe burns and electrical shock can occur. Only a qualified
service person should service and repair heater.
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Figure 5 - Upper Shell Removal
Upper Shell
Fan Blade
Figure 6 - Fan Blades