MALLORY 3175

INSTALLATION INSTRUCTIONS
®
INLINE FUEL FILTER
PART NO. 3175
FIGURE 1
FILTER DISC
–8 PORT FITTING
FITTING O-RING
PLUG O-RING
PORT O-RING
PLUG
–8 AN FITTING
(2 PLACES)
1. This filter is supplied with a 40 micron pleated stainless steel filter disc suitable for use as a pre-filter for
Mallory fule pumps or as a filter to protect carburetors.
2. Fuel flow can be either direction through the filter.
3. This filter may be used to filter gasoline or alcohol or
any other type of petroleum based fuel.
4. Maximum recommended flow is 500 gallons per hour
for a clean filter. The larger the flow, the more frequent the filter disc must be cleaned.
5. In most cases, the filter disc can be cleaned and reused indefinitely. To clean the filter disc, back flush
the filter by flowing fuel in the opposite direction of
normal flow into a bucket. This will remove most types
of debris. If the debris refuses to come out, the filter
disc can be replaced.
7. The o-rings used in this filter are made from Buna-N
(Nitrile).
The plug o-ring is a #2-125.
The port o-rings are standard -10AN size (#3-910)
The fitting o-ring is a standard -8AN size (#3-908)
These o-rings are available at many automotive parts
stores if they need to be replaced. The o-rings are also
included with replacement filter discs available from
Mallory.
8. Replacement filter discs (includes o-rings):
Part #3176: 40 micron (for use as a pump pre-filter
or to protect carbs) 500 GPH Max
Part #3177: 5 micron (to protect fuel injectors)
200 GHP Max
6. This filter is supplied with a fitting that will screw directly into the inlet of a Mallory 250, 110FI, or 160FI
pump so that the filter functions as a pre-filter. Alternative fittings may be used to mount the filter in other
types/sizes of fuel lines.
MALLORY IS A DIVISION OF THE MR. GASKET PERFORMANCE GROUP
550 MALLORY WAY, CARSON CITY, NEVADA 89701
(775) 882-6600
FAX (775) 887-4326
www.mrgasket.com
FORM 1547
(REV. A) 05/02
Made in U.S.A.
Printed in U.S.A.