Service Procedures - Desa 100,000 Btu/Hr Owner's Manual

WARNING: To avoid risk of
burn and electrical shock, never
attempt to service heater while it
is plugged in, operating or hot.
SHROUD AND UPPER SHELL
1. Using a #4 Phillips screwdriver, remove 2
bolts securing handle crossbar to handles
(see Figure 16).
Handle
Crossbar
Upper Shroud
Figure 16 - Upper Shell Removal (200 Model Shown)
FAN
1. Remove upper shell (see Shroud and
Upper Shell).
2. Disconnect wires from various connection
points. Remove 2 screws securing blower
to lower shell (see Figure 17). Carefully
lift blower assembly from heater.
3. Remove 4 bolts and nuts securing blower
assembly (see Figure 17).
Blower Assembly
Figure 17 - Removing Blower Assembly
118419-01E

SerViCe ProCedureS

Bolt
Nut
Screw
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2. Remove single screw securing upper
shroud using 5/16" nut driver (see Figure
16). Open shroud carefully by pulling up
on both sides.
3. Remove 6 screws along each side of
heater using 5/16" nut driver. These
screws attach upper and lower shells
together (see Figure 16).
4. Lift upper shell off.
Upper Shroud Screw
4. Remove 3 screws securing blower sleeve
to blower housing (see Figure 18). Set
blower sleeve aside.
Motor Inlet
Ring
Blower
Housing
Screw
Blower
Sleeve
Figure 18 - Fan, Motor Shaft, and
Setscrew Location
Upper Shell
Motor
Support
Nut
15