IMPACT Rear Roll-in
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
P/N 0435045A
6-1
REPLACING FAN MOTORS AND BLADES
See cross section for location of evaporator and
return air fans. Should it ever be necessary to
service or replace the fan motors or blades be
certain that the fan blades are re-installed
correctly.
For access to evaporator fans:
1. Turn off power.
2. Remove upper shelving.
3.
Disconnect fan from wiring harness.
4. Remove fan mounting panel from coil
module.
5. Remove wire fan guard.
6. Remove fan blade.
7. Remove screws holding bottom of motor to
fan basket.
8. Replace fan motor and blade.
9. Re-install fan mounting panel in coil module.
10. Reconnect fan to wiring harness.
11. Turn on power. Verify that motor is working
and blade is turning in the correct direction.
12. Ensure the fan plenum is located properly
and that there are no air leaks which would
adversely affect case performance.
13. Bring case to operating temperature before
restocking.
For access to return air fans:
1. Turn off power.
2. Remove dairy carts, or bottom shelving.
3. Remove return air grille.
SERVICE
Always disconnect the electrical power at
the main disconnect when servicing or
replacing any electrical component. This
includes, but is not limited to, such items
as fans, heaters, thermostats and lights.
WARNING
!
Fan Plenum
in Front
Package
(Lifts Out)
Fan Blade
Case
Interior
Wiring
Harness
Electrical
Connection
Box
