Service; Replacing Fan Motors And Blades; Replacing Thermometer - Hussmann HGM-3 BS Installation & Operation Manual

P/N 0515297_E
REPLACING FAN MOTORS AND
BLADES
Should it ever be necessary to service or
replace the fan motors or blades be certain
that the fan blades are replaced correctly.
T
he blades musT be insTalled wiTh raised
(
embossing parT number on plasTic
)
blades posiTioned as indicaTed on The
.
parTs lisT
For access to these fans:
Product will be degraded and may spoil if allowed
to sit in a non-refrigerated area.
1. Remove product and place in a refrigerated
area. Turn off power to the merchandiser.
2. Remove thumb screws that secure the
return air grille / coil cover.
3. Remove return air grille.
4. Remove fan assembly.
5. Replace fan motor and blade.
6. Reconnect fan to wiring harness.
7. Replace return air grille, and fasten air
grille to coil cover.
8. Turn on power.
9. Verify that motor is working and blade is
turning in the correct direction.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.

SERVICE

— LOCK OUT / TAG OUT —
To avoid serious injury or death from electri-
cal shock, 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
doors, lights, fans, heaters, and thermostats.

REPLACING THERMOMETER

The thermometer may be replaced by remov-
ing the two screws holding it to the evaporator
fan grille. Lower the evaporator coil cover by
removing the brass screws located at the two
front corners of the cover. Remove the screws
along the front edge of the cover holding it to
the grille. Follow the sensing lead to the center
rear of the evaporator coil. Loosen the clip
holding it to the bracket, and slide the end of
the lead out.
Be sure to run the lead of the new thermometer
through the hole in the fan grille first. Finish
assembly in reverse order. The same procedure
should be followed when cleaning the end of the
sensing lead.
HGM Fan
HGM Merchandisers
5-1