www.desatech.com
120942-01E
14
Service
Continued
ElECTRICAl AND GAS TRAIN
COMPONENT ACCESS
1. Remove top and side panel (see
Top and
Side Panel Removal,
above).
2. Locate wiring diagram on inside of side
panel or go to page 20.
3. Check that all wiring terminals are se-
curely connected.
4. Check for gas leaks around fittings and
tubing of plumbing connections. See
page 11.
MOTOR AND bLOWER ASSEMbLY
1. Remove top and side panel (see
Top and
Side Panel Removal,
above).
2. Follow wires from blower/motor and dis-
connect from terminal blocks. Pull wires
out and coil excess to prevent damage to
insulation.
TOP AND SIDE PANEL REMOVAL
1. Remove 8 screws securing top brackets
to body panels. Remove top and set aside
(see Figure 10).
Brackets
Located
Underneath
Figure 10 - Removing Top and Side Panel
Side
Panel
Top
Bracket
Screws
Side Panel
Screw
2. Remove 2 screws securing side panel
at top edge. Remove 3 screws at lower
outside edge (see Figure 10). Push down
and lift out side panel.
3. Carefully remove 9 screws securing
blower mounting panel (see Figure 11,
page 15). Slide baffle top up and care
-
fully lift entire assembly out of heater.
Assembly is heavy. Removal may require
assistance.
4. Remove 4 nuts securing blower/motor to
mounting panel.
5. Attach new blower/motor to mounting
panel and reinstall in reverse order. Insert
blower mounting panel under lip of baffle
top. Use care when removing or installing
blower to mounting panel to avoid dam-
age to wiring. Reattach wiring referring to
Wiring Diagram
on page 20.