Medium Temperature
P/N 0378414G
6-1
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
REPLACING FAN MOTORS AND BLADES
See cross section for location of evaporator
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.
T
HE
BLADES MUST BE INSTALLED WITH RAISED
EMBOSSING
(
PART NUMBER ON PLASTIC BLADES
)
POSITIONED AS INDICATED ON THE PARTS LIST
.
(Refer to the case data sheet for each model.)
For access to these fans:
1. Turn off power.
2. Remove bottom display pans.
3.
Disconnect fan from wiring harness.
4. Remove fan blade.
5. Lift fan plenum and remove screws holding
bottom of motor to fan basket.
6. Replace fan motor and blade.
7. Lower fan plenum.
8. Reconnect fan to wiring harness.
9. Turn on power.
10. Verify that motor is working and blade is
turning in the correct direction.
11. Close air gaps under fan plenum. Warmer air
moving into refrigerated air reduces effective
cooling. If the plenum does not rest against
the case bottom without gaps, apply foam
tape to the bottom of the fan plenum to
reduce improper air movement. Use silicone
sealant to close other gaps.
12. Replace display pans. Bring merchandiser to
operating temperature before restocking.
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
!
Remove
Screws
Hook to Back Panel
