Strap Wrench
For removal of oil filter, spring steel band
surrounds and tightens as the handle is pulled.
Vinyl gripped handle swivels to clear obstruc-
tions.
GA333 for 3" to 3-3/8" Dia. Filters
GA340 for 3-1
/2"
to 3-7/8" Dia. Filters
YA 341 for 4-1
/8" to 4-7/16 Dia. Filters
Oil
Filter
Sludge lnspection
lnspection of engine sludge trapped in spin-on
oil filters has been a recommended practice for
many years. Licensed aircraft mechanics recog-
nize the value of visual inspection to aid in
determining
if
internal engine wear or malfunc-
tion has occurred, and to inspect for metal or
other contaminates within the engine oil system.
Use of the Champion CT-470 Oil Filter Can
Cutter eases the opening of spin-on filters
without introducing foreign material into the
filter.
Following is the recommended procedure for
inspection of full flow oil filters:
a. Insert threaded adapter in female threads of
filter, or screw rotating bushing on male
threads of filter.
b. Slightly tighten cutter blade against filter
and rotate
360°. Repeat operation until
mounting plate section separates.
c. Lift mounting plate to expose complete filter
media for inspection.
3) Using a clean plastic bucket containing
approximately 1 pt. clean varsol, swish filter
element around in the varsol to loosen
entrapped metal or other contaminant.
4) Using a clean magnet, work it around in the
varsol solution. Ferrous metal
particles in
the solution should adhere to the magnet for
inspection.
1)
Remove filter from the engine and place on
a drain tray. Allow oil to drain through a
5)
After all ferrous metal particles have been
clean cloth to determine if foreign material retrieved by the magnet, pour remaining
drains from the filter.
varsol through another clean shop rag, and
in a bright light, any non-ferrous metals
2)
Using the Champion CT-470 Can Cutter, should be detectable.
open the filter as follows; (See photos):
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