www.desatech.com
118419-01E
15
SerViCe ProCedureS
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).
Upper Shroud
Figure 16 - Upper Shell Removal (200 Model Shown)
Upper Shell
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
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).
Motor Inlet
Ring
Screw
Figure 18 - Fan, Motor Shaft, and
Setscrew Location
Blower
Sleeve
Figure 17 - Removing Blower Assembly
Blower Assembly
Bolt
Nut
Blower
Housing
Nut
Motor
Support
Screw
4. Remove 3 screws securing blower sleeve
to blower housing (see Figure 18). Set
blower sleeve aside.
Handle
Crossbar
