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MAINTENANCE & REPAIRS
A. REPLACING ELEMENT
NOTE: Replace one element at a time.
1)
DISCONNECT POWER SOURCE.
2) Remove both the left and right side panels,
by removing the truss head screws. Pull the
top of each panel out slightly and lift up.
3) Remove element wires which are requiring
replacement from its terminal block connection.
4) Loosen the Element Retainer and move it
upward and tighten.
5) Gently, pull defective element out of unit.
6) Slide sipping straws on the element wires for
an easier installation. Guiding the wire &
element into position
7) Connect wires to the terminal blocks and tug
lightly on the wire to ensure good connection.
8) Loosen screw(s) holding the retainer secure
and slide it back into position, to secure
element in place.
9) Install each side panel
10) Connect unit to power source and test unit for
proper operation.
B. REPLACING FAN MOTOR
1)
DISCONNECT POWER SOURCE
.
2) Remove the side panel with the fan that needs
replaced.
3) Unplug power supply cord from fan motor.
4) Remove (4) screws, which hold fan motor and
grill to the side panel and remove fan.
5) Put replacement motor and grill in place and
secure to the side panel with screws
previously removed.
6) Reconnect power supply cord to fan motor.
7) Replace back panel and enclosure. Fasten with
screws removed in step 2, being sure to keep
wires away from the fan motor.
8) Connect unit to power source and test unit for
proper operation.
C. REPLACING BELT DRIVE MOTOR
1)
DISCONNECT POWER SOURCE.
2) Remove the side panel & access panel
exposing the drive chain, sprockets & drive
motor
3) Remove sprocket from motor shaft, using an
Allen wrench and loosening the set-screw.
4) Remove the wires from terminal block
connecting the drive motor.
Note
how the old motor is wired for
replacement. For reference, use the black
and white wires for 208V units and the black
Retainer
Element
Side Panels
Access Panel
IL1157
IL1158
Side Panel
Air Intake Grill
Fan Motor
IL1159
Drive Motor
Drive Sprocket
Chain
Driven Sprocket
and blue wires for 240V units. The unused wire should be taped on the end and bundled with the existing
wires so it will not get tangled in any moving parts.
5) Remove screws holding motor in place and remove motor from unit.
6) Install the new motor in place and attach loosely with mounting screws.