Sullair LS20TS Operator's Manual And Parts List page 37

Figure 7-2 Air Filter Replacement (P/N 048456)
What you may need to perform
this maintenance (continued):
Secondary replacement element no.
048463
Cleaning materials (dampened cloth,
etc.) for cleaning exterior of housing
Damp cloth (separate from that used on
exterior) for cleaning interior of housing
Clean container (if new element is to be
stored for later use)
(Optional) Light source to check for
damage and/or leaks in filter element
AIR FILTER ELEMENT REMOVAL
1. Clean exterior of air filter housing.
2. Remove the cover/element assembly by loosen-
ing the wing nut securing it.
3. Pull the cover/element assembly out of the hous-
ing.
4. On the inside of the element, you will notice a
KEY
A HOUSING
B SECONDARY ELEMENT**
C DUST COVER
D SAFETY SIGNAL
E PRIMARY ELEMENT*
F RETAINING CLIP
G WING NUT
H SEALING WASHER
REPLACEMENT ELEMENT
*
P/N: 02250135-150 (Primary)
REPLACEMENT ELEMENT
**
P/N: 048463 (Secondary)
lock ring, which fastens the cover to the ele-
ment. Remove the lock ring and pull the cover
and element apart.
5. Clean the interior of the housing by using a damp
cloth. DO NOT blow dirt with compressed air.
6. Inspect the secondary element and replace if
necessary. This element is NOT cleanable.
7. To remove the secondary element, unscrew the
secondary restriction indicator from the threaded
rod running through the element. Pull the ele-
ment out of the housing.
8. Install the new secondary element and replace
the restriction indicator.
9. With the secondary element in place, clean or
replace the primary element. Cleaning instruc-
tions follow.
ELEMENT INSPECTION
1. Place a bright light inside the element to inspect
for damage or leak holes. Concentrated light
will shine through the element and disclose any
holes.
2. Inspect all gaskets and gasket contact surfaces
Section 7
MAINTENANCE
31