SECTION 21: M
AINTENANCE
77
21.6 Optional E
q
uipment
Dampers
Check linkage
w
hen applicable and tighten set scre
w
s as req
u
ired. All mo
v
ing
parts of dampers sho
u
ld be cleaned and then thoro
u
ghly l
u
bricated
w
ith a
light molybden
u
m oil in aerosol can. Dampers f
u
rnished
w
ith stainless steel
side seals sho
u
ld also ha
v
e the seals l
u
bricated genero
u
sly. Dampers sho
u
ld
then be man
u
ally operated se
v
eral times
u
ntil linkages and blades operate
freely. Reconnect linkages and check dampers for proper operation.
See Page 33, Section 12
.
Filters
Filters sho
u
ld be checked for dirt restriction on a monthly basis (or as
req
u
ired). Replace filters
w
ith filters of eq
u
al specification
w
hen they appear
dirty.
NOTE:
When
u
sing Rapid Engineering LLC s
u
pplied disposable polyester fil-
ters, they m
u
st be inserted
w
ith the
w
hite media side facing the inlet of filter
section. When
u
sing Rapid Engineering LLC s
u
pplied permanent al
u
min
u
m
mesh or disposable filters, they m
u
st be inserted
w
ith the arro
w
on the filter
pointing in the direction of airflo
w
(to
w
ard the air handler).
See inlet hood or filter section for filters.
See Page 22, Section 10.1
and
See
Page 24, Section 11
