Wells WVO4HF, Owner'S Manual, Page: 13 / 42

FILTERS INSTALLATION
FILTER PACK: Ships installed in the hood. If the FILTER PACK is not
in position, the CHECK FILTERS indicator will light.If the FILTER
PACK becomes clogged, the REPLACE FILTER PACK indicator will
glow.
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When up in position, holder clips can be snapped over wall ledge on
each side. To remove FILTER PACK: Grasp both holder clips and
pull INWARD until the clips clear the sidewall ledge. Then, pull the
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PRE-FILTER: The PRE-FILTER ships in the FILTER FRAME. If the
PRE-FILTER is not in position, or if the PRE-FILTER is not in the
FILTER FRAME, the CHECK FILTERS indicator will light.
If the PRE-FILTER becomes clogged, the REPLACE PRE-FILTER
indicator will glow.
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The AIR FLOW arrow will point away from the installer. Slide the
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While pressing slightly against the bottom of the assembly, pull the
FILTER HANDLE toward you so as to engage the FILTER HOOK
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GREASE BAFFLE: If the GREASE BAFFLE is not in place, the CHECK
FILTERS indicator will glow.
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downward to verify the GREASE BAFFLE is properly seated in the
lower frame rail.
NOTE:
The GREASE BAFFLE
and FILTER PACK activate
mechanical switches, and
the PRE-FILTER activates
a vacuum switch, to verify
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in their proper positions.
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properly installed or the
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energized. Also, the
CHECK FILTERS indicator S
will light.
IMPORTANT:
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the PRE-FILTER
from being drawn in
during operation. After
installation, press against
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verify proper engagement
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OLSRIWKHWRS¿OWHUUDLO
Use only genuine Wells
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(314) 678-6314 or your
authorized Wells service
agent. Parts supplied
by others will void your
warranty and may not
provide safe operation.
INSTALLATION (continued)
FILTER
RAIL
FILTER
HOOK
FILTER PACK
PRE-FILTER
ASSEMBLY
GREASE
BAFFLE
GREASE
TROUGH
GREASE
CUP
AIR FLOW
HOLDER CLIP
FILTER PACK
POSITION
SWITCH
GREASE BAFFLE
POSITION
SWITCH
FILTER PACK
SEAL
PRE-FILTER
NOTE: AIR FLOW ARROW
POINTS
FROM
INSTALLER WHEN
PROPERLY INSTALLED
AWAY
FILTER
FRAME
AIR
F
LO
W
NOTE: PRE-FILTER IS SENSED
AS BEING IN POSITION BY THE
PRESSURE DROP ACROSS IT.
FILTER HOOK
FILTER
HANDLE
FILTER PACK
SEAL
HOLDER CLIP
CLIPS ONTO
LEDGE
W
ALL
OF UNIT
PRE-FIL
TER
IL2147
Fig. 7 Filter Installation
11
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2M-
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