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 Dual-Gard
By-Pass Oil Filtration System
The AMSOIL Dual-Gard By-Pass
Oil Filtration System links two AMSOIL By-Pass Filter
Elements together for engines with sump capacities
over 20 quarts. Allows fast and simple servicing with
spin-on elements.
Wear tests have shown particles of
contamination in the sub-20-micron range are most
harmful to rings and bearings. Most trucks are sold
with a full-flow filter as their only oil cleansing
unit. A study by the Milwaukee School of Engineering
determined the filtering efficiency of four top selling
full-flow filters compared with a BE-90 AMSOIL Spin-On
By-Pass Filter. The graph above shows the By-Pass
functioning at 97.6% efficiency in removing particles
as small as 3 microns, a feat no full-flow filter
can match.
Versatility:
Accommodates any two AMSOIL
Spin-On By-Pass Filter Elements. Their unique internal
flow director and follower spring system provide a
nonchanneling filter media.
Convenience:
Elements spin on and off for fast, neat filter changes.
Protection:
The stacked disc type by-pass
filter has been shown to reduce piston ring and rod/main
bearing wear 75% to 91% (Society of Automotive Engineers
paper 881826).
By-Pass Safety:
A metering orifice inside
the mount controls oil flow so that it never draws
more than 10% of the oil pump's capacity. At an engine
speed of 45 mph, the AMSOIL DUAL-GARD By-Pass Filter
cleans all of the oil in the system every 5-10 minutes
(depending on engine RPM, sump size, and oil pump
ratio).
The DUAL-GARD Mounting
Kit:
The BMK-12 contains a mount, mounting
hardward, a restriction fitting, and two 3/4"
- 16 to 1/4" J.I.C. fittings. Complete installation
instructions are included along with an additional
parts list of plumbing hose and fittings available
from seperately from AMSOIL. Spin-on filter elements,
available in three sizes, should be purchased seperately
in pairs based on sump size or available room in the
engine compartment. The following is merely a guide,
since the large the element used, the less frequently
it will need to be changed.
- For a crankcase sump of 15 to 18
quarts use 2 BE-90 filter elements.
- For a crankcase sump of 15 to
30 quarts use 2 BE-100 filter elements.
- For a crankcase sump of 15 to 42
quarts use 2 BE-110 filter elements
Your AMSOIL By-Pass Filters will last
twice as long as your regular engine filter, so change
them half as often.
| AMSOIL By-Pass Filter Replacement
Chart
|
| Type
of Unit |
Stock
Number |
Size
(Approx.) |
Additional
Oil Needed |
Crankcase
Capacity |
Normal
Service Life b |
Applications |
| SINGLE
SPIN-ON ELEMENTS
(Used with BMK-11 or any DUAL
REMOTE SYSTEM)
|
BE-90 |
Diam.
= 4.5 in.
Height = 6 in.
With Mnt. = 8 in. |
1 qt. |
up to
9 qt. |
25,000
miles or 1 year
(approximately 4 times normal
drain interval)
|
Pleasure
Vehicles, Light Trucks and Smaller Commercial
Applications |
| BE-100 |
Diam.
= 4.5 in.
Height = 8 in.
With Mnt. = 10 in. |
1.5 qt. |
up to
15 qt. |
| BE-110 |
Diam.
= 4.5 in.
Height = 10 in.
With Mnt. = 12 in. |
2 qt. |
up to
21 qt. |
| DUAL
SPIN-ON ELEMENT
(Used with BMK-12 DUAL-GUARD)
|
(2) BE-90's |
Diam.
= 5 in.
Height = 9.5 in.
With Mnt. = 8 in. |
2 qt. |
15 to
18 qt. |
2
times normal oil drain interval |
Large
Trucks, Construction, Farm and Industrial Equipment
(minimum sump capacity = 15 qt.)
|
| (2) BE-100's |
Diam.
= 5 in.
Height = 9.5 in.
With Mnt. = 10 in. |
3 qt. |
15 to
30 qt. |
| (2) BE-110's |
Diam.
= 5 in.
Height = 9.5 in.
With Mnt. = 12 in. |
4 qt. |
15 to
42 qt. |
| LARGE
CANISTER BY-PASS FILTERS |
BE-50 |
Diam.
= 7.5 in.
Length = 10 in. |
8 qt. |
15 to
30 qt. |
| BE-75 |
Diam.
= 7.5 in.
Length = 15 in. |
12 qt. |
15 to
42 qt. |
a. Filters can be
used on sumps of larger capacity but then require
more frequent replacement. Full details on service
life included with filter installation instructions
b. Data determined
in a non-turbo gasoline engine with AMSOIL 100% Synthetic
Motor Oil and AMSOIL Full-Flow Oil Filter. Service
life varies in other engines (turbo and diesel) and
with other oils and filters.
NOTES:
-
Special adapters and hardware may
be required for some installations. A universal
mounting bracket is included with the kit, however,
custom brackets may be required depending on your
vehicle's equipment options or personal preferences
in mounting locations."
-
Contact AMSOIL INC. Technical Service
for instructions before installing on vehicles
with cast aluminum oil pans.
| APPLICATIONS
|
|
Mount
|
Filter (Order
separately unless noted)
|
|
BMK-11
|
BE-90, 100,
110
|
|
BMK-13
|
BE-90, 100, 110
SDF-15, 26,
34, 42, 57, 84, 96
|
|
BMK-15 (complete
with filters)
|
SDF-26 and
BE-100 (Filters Included)
|
|
BMK-16 (complete
with filters)
|
SDF-26 and
BE-100 (Filters Included)
|
|
BMK-17 (complete
with filters)
|
SDF-26 and
BE-100 (Filters Included)
|
|
|
|
Vehicles
with sump capacities greater 15 qts.
|
|
Mount
|
Filter
|
|
BMK-12 Dual
Guard
|
Any size AMSOIL
Spin-On By-Pass (mount requires 2 filters
and all hoses and fittings)
|
|
Heavy-Duty
Canister Type (Element Only)
|
BE-50, BE-75
(Replacement Element only for Lubrifiner 500
and 750 respectively.)
|
|
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