SB-100 Series Meter Precision Meter - Bennett Pump
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SB-100 Series Meter
Precision Meter
The meter is the fundamental source of data and information from a fuel dispenser.
The Marketer depends on the meter for accurate information to manage his business.
The fuel customer depends on the meter to accurately deliver the fuel for which he is paying.
• Long Life
• Lightweight, Compact Design
• Accurate
• Dependable
• Easily Serviced and Rebuildable
• Custom configurations for OEM Applications
U.L. Listed—Flammable Liquid Meter
File MH28133
Approved in USA by N.T.E.P., Certificate #91-095A1
Other Weights & Measure and Safety approvals available,
consult factory for more information
Jim Biesecker, Component Business Manager
Direct: 231.798.262 ~ Fax: 231.799.6200 ~ Cell: 616.638.3616
www.BennettPump.com ~ JBiesecker@BennettPump.com
Bennett 1218 E. Pontaluna Road, Spring Lake, MI 49456
USA 800-235-7618 ~ Outside USA 231-798-1310
sales@bennettpump.com ~ www.bennettpump.com
SB-100 Series Meter
Bennett Type 40 Meter
• Manufactured from 1939 to 1990
• Great meter in LEADED fuels
• Experienced unacceptable calibration drift in UNLEADED
Fuels
• Expensive to manufacture
Bennett SB-100 Meter
• Introduced in 1991
• Initial problems due to contaminants in fuel (dirt, sand, and
fine powder abrasives resulting from gasoline refining
processes at some refineries) that tended to scratch
surfaces of the valve plate and the distributor. This problem
was particularly prevalent in sandy, desert environments.
This problem was fixed in 1994.
Bennett SB-100 Meter Today
• Early problems completely resolved
• Long Life Meter when Bennett specified proper filtration is
used.
• Quality as good or better than Wayne or Gilbarco meters.
Bennett SB-100 Meter—Determining the Age of the Meter
• Identified by date code on either an adhesive metallic tag, metal Part
Number/Serial Tag, or adhesive white tag.
• Serial #3E624788 shown at bottom right….3E is the date code signifying
manufacturing in March (month 3), 2003 (E = 2003). Current models use
the white adhesive tag (see below).
• Date Codes:
A = 1999 G = 2005 M = 2010 S = 2014 Y = 2020
B = 2000 H = 2006 N = 2011 T = 2015 Z = 2021
Retired Tags Samples
C = 2001 I = SKIP O = SKIP U = 2016
1 = January
D = 2002 J = 2007 P = 2012 V = 2017
2 = February
E = 2003 K = 2008 Q = SKIP W = 2018
F = 2004 L = 2009 R = 2013 X = 2019 3 = March
4 = April
Bennett 1218 E. PONTALUNA ROAD
SPRING LAKE, MI 49456
5 = May
6 = June
Model: SB100 7 = July
Part Number: 101187 8 = August
Serial Number: 2H682869 Z = 1998 12 = December
Designed and Assembled in USA 9 = September
10 = October
11 = November
12 = December
2 = February H = 2006
*Current Serial Tag 3 = March E = 2003
SB-100 Series Meter
Bennett SB-100 Meter Improvements
• Changed from softer aluminum valve plate to hard
stainless steel for superior wear characteristics
• Changed to a sleeve style bearing to better resist fuel
contaminants
• Changed Diaphragm to stronger material to resist
rupture
• Changed Distributor from aluminum to a composite
material for superior sand and dirt resistance to
improve calibration stability
Older Styles - Brown or Red Current Style - Black
Old Distributor (Dark Charcoal Old Distributor (Shiny Black Current Distributor (Shiny Black
Color) - Hard Coated Anodized color) - Teflon Impregnated color) - Teflon Impregnated
Aluminum Material. Molded Resin Material. Molded Resin Material.
0 Bumps 1, 2 & 3 Bumps 4 Bumps
Current Distributor has four small protrusions (bumps) located in the above position (white color added
for photographic clarity). You can reach in the outlet of the meter and turn the meter by hand and feel for
these four bumps to confirm that you have the current distributor. Older distributors had 0, 1, 2 or 3
bumps.
SB-100 Series Meter
Computerized Testing Program
• Every SB-100 Meter is tested against a master flow meter for
both slow flow and fast flow accuracy.
• The test fluid used is a nonflammable solvent whose viscosity is
between gasoline and standard diesel. (Every meter should be
checked and recalibrated when dispensers are installed
according to the provisions of Bennett’s Dispenser
Installation Manual.)
NOTE: Due to variations in installation and in products
dispensed, owners are responsible to ensure that meters are
calibrated following dispenser installation. Bennett is not
responsible for the calibration that must be done at the
time of dispenser installation.
• A software program determines whether the meter passes the
stringent calibration accuracy requirements.
• Mechanical Calibration meters may be adjusted within certain
parameters to pass our testing.
• eCal meters must be within testing parameters or they are
rejected. Rejection of any meters whether mechanical
adjustment or eCal type is extremely rare.
• Test data is recorded for each meter according to the meter
serial number.
• The test data is used for various quality measurement purposes
including trend analysis.
• The master test meter is calibrated every 30 days, or immediately if
our trend analysis detects a suspected problem with the master
meter.
• The calibration tools for testing the master meter are verified and
certified for accuracy once per year by the State of Michigan’s
regulatory agency that has adopted the standards from the U.S.
National Institute of Standards, National Type Evaluation Program
(the national metrology regulatory agency). Calibration tools may be
certified more often than once per year if data trend analysis points to
any suspected problem with the tools.
What happens if a meter fails at the final testing station?
It is extremely rare that a meter fails our final test. If one does
fail, a senior production associate carefully disassembles the
meter and attempts to determine the cause of the failure. If the
cause of the failure is an assembly mistake, the meter is re-
assembled correctly and must pass a second final test. If the
senior production associate cannot determine the cause of the
failure, the meter is passed to our engineering group for
examination including measurement of parts to ensure that all
parts are meeting our strict tolerance specifications. All meters
must pass our testing stations before they are used in a
customer product. Meters that cannot pass our testing station
are scrapped.
SB-100 Series Meter Bennett SB-100 Meter Service Kits • Diaphragm/Distributor Kits to resolve calibration problems resulting from dirty fuels KR044601, • Valve Plate/Counter Valve Kit to repair damage caused by dirty fuels 100965, • Piston Repair Kit for normal or abnormal wear. Kit number (repairs 4 pistons): KR043601 or 112343 for High Alcohol meters • Crankshaft Roller Bearing Replacement Kit to solve problem of calibration drifting positive. Kit number: 107170 • Additional Kits are listed at the end of the parts list included with this document. (Page 10) • List pricing for parts and additional service information is available on our web site; WWW.BENNETTPUMP.COM Select the LITERATURE TAB in upper banner.
SB-100 Series Meter
The Bennett SB-100 is a precision instrument. Flatness tolerance specifications for distributor, valve,
and counter valve are 5 light bands (50 millionths of an inch). To ensure the continued integrity of the
precision parts during the life of the meter, proper filtration before the meter is essential. Filters protect
the meter, the pumping unit (if present), flow control solenoids, the nozzle, and ultimately the customer’s
automobile components. Filters should be replaced or cleaned on a regular basis or anytime the flow
rate has dropped by a noticeable amount. Bennett dispensers or any dispensers using Bennett meters
should NEVER be operated without proper filtration. Failure to maintain the filtration in the Bennett
dispenser voids the warranty protection offered by Bennett. Under no circumstances should the
meters be exposed to filtration larger than 70 Micron.
—Good filtration practices extends the life of the Bennett hydraulic components.—
SB-100 Series Meter Mechanical
SB-100 Series Meter Electronic
SB-100 Series Meter Item Part Number Description Comment 1 N/A Lead Seal Wire Please Call 231-798-1310 for details 2 N/A Universal Link Please Call 231-798-1310 for details 3 H651203 Half Coupling Unthreaded See Kit List 4 H650402 Half Coupling Threaded 5 H650501 Screw 6 A480001 Screw, Flat Head M3.5 - 0.6 X 8 mm 7 N666401 Shaft Seal Retainer 8 107694S Shaft Seal 9 A586901 Screw, Hex Head M6 - 1.0 X 20 mm 9 N840401 Screw, Hex Head M6 - 1.0 X 20 mm with Seal Hole 10 A247018 O-Ring, Square Section 11 N646502 Collector Cover 11 103044 Collector Cover High Alcohol 12 A247019 O-Ring, Square Section 13 N673201 Gasket 14 103077 Spring 15 A631901 Screw, Fil Head M4 - 0.7 X 10 mm Stainless Steel 16 N685901 Inner Diaphragm Retainer 17 100081 Diaphragm 18 N673101 Gasket 19 N902501 Counter Valve 20 101183 Counter Valve Assembly 21 N685801 Outer Diaphragm Retainer 22 A586801 Screw, Pan Head M5 - 0.8 X 12 mm 23 101184 Collector Cover Assembly 23 103048 Collector Cover Assembly High Alcohol 24 N672601 Drive Pin 25 N891601 Distributor 26 A579901 Retaining Ring 27 A584001 Washer Crankshaft Support 28 101185 Meter Body Assembly 28 103049 Meter Body Assembly High Alcohol 29 N903701 Roller & Bearing Assembly 30 A631801 Washer 31 A239401 Lock Nut 32 N903801 Crank Shaft Assembly Gallons 32 N903802 Crank Shaft Assembly Liters 33 N659201 Cylinder Cover 33 103041 Cylinder Cover High Alcohol 34 A247010 O-Ring, Square Section 35 N792201 Piston Screw, Hex Head With Nylon Patch (also use with High Alcohol) 36 N701502 Piston Assembly 36 103046 Piston Assembly High Alcohol 37 N654802 Connecting Rod Lower Rod 38 N654801 Connecting Rod Upper Rod 39 A586401 Retaining Ring 40 N683701 Calibrating Cover 40 103043 Calibrating Cover High Alcohol 41 111787 O-Ring Also used with High Alcohol 42 N701601 Calibrating Dial & Screw Assembly 43 N675801 Seal Pin 44 N779601 Calibration Cover Assembly 44 103047 Calibration Cover Assembly High Alcohol 45 100535 Gasket, Meter Inlet Not Shown 46 N902401S Valve Plate Not Shown 47 A586601 Screw, Valve Plate Not Shown 48 A578404 DU Bearing, Meter Body Not Shown, for meters built since 1995 49 N906501 DU Bearing and Retainer, Meter Body Not Shown, for meters built before 1995
SB-100 Series Meter Part Number Description Comment 100965 Kit, SB100, V'Plate/C'Valve Replacement Includes 1 each of items 8, 10, 12, 13, 14, 20, 25 & 46 KR043601 Kit, SB-100 Piston Retail, 4 Per Includes 4 of items 34, 35, & 36, 1 each of 10 & 45 112343 Kit, SB-100 Piston Retail, Alcohol Meters Includes 4 of items 34, 35, & 36, 1 each of 10 & 45 107170 Kit, Crankshaft Bearing Replacement Includes 2 of item 29, 1 ea. of 10, 31 & 45 112246 Kit, Lower Hydraulic Gallon SB-100 Includes 4 of items 34, 35, & 36, 1 ea. of 8, 10, 12, 26, 32, 45 & 48 112347 Kit Lower Hydraulic Gallon SB-100 Alcohol Includes 4 of items 34, 35, & 36, 1 ea. of 8, 10, 12, 26, 32, 45 & 48 112247 Kit Lower Hydraulic Liter SB-100 Includes 4 of items 34, 35, & 36, 1 ea. of 8, 10, 12, 26, 32, 45 & 48 112348 Kit Lower Hydraulic Liter SB-100 Alcohol Includes 4 of items 34, 35, & 36, 1 ea. of 8, 10, 12, 26, 32, 45 & 48 KR044601 Kit, SB-100 Diaphragm/Distributor Includes 4 of item 15, 1 ea. of 8, 10, 12, 13, 14, 17, 25 & 45 112651 Kit, SB-100 Meter Coupling Includes items 3, 4 & 5 103490 Kit, Tools for Du Bearing Replacement 112248 Field Du Bearing Install/Removal Tool These two kits are for SB100 meters built since 1995 KR044703 Kit, SB-100 Meter, Crankshaft, Gallons Includes 4 of item 34, 1 ea. of 8, 10, 12, 26, 32, 45 & 48 KR044704 Kit, SB-100 Meter, Crankshaft, Liters Includes 4 of item 34, 1 ea. of 8, 10, 12, 26, 32, 45 & 48 These two kits are for SB100 meters built before 1995 KR044701 Kit, SB-100 Meter, Crankshaft, Gallons Includes 4 of item 34, 1 ea. of 8, 10, 12, 26, 32, 45 & 49 KR044702 Kit, SB-100 Meter, Crankshaft, Liters Includes 4 of item 34, 1 ea. of 8, 10, 12, 26, 32, 45 & 49
SB-100 Series Meter
Troubleshooting
Symptom Causes Solutions
The meter will not run—fuel flows out • Diaphragm is damaged • Replace the diaphragm
the nozzle.
• Broken Rod • Replace the meter
The meter will not run—no fuel flows • Solenoid valve not functioning • Check valve & replace if necessary
out the nozzle
• Filter is plugged • Clean all filters and/or replace
• Pumping unit not operating properly • Verify proper operation & replace if
necessary
• Faulty impact/safety valve • Replace/repair impact valve
• Inlet check valve blocked (suction • Clean check valve and/or replace
pump)
• No fuel in storage tank • Fill storage tank with fuel
• Distributor is locked • Replace the distributor (KR446).
NOTE: If corrosion is noticed during kit
installation, clean tank, find source of
corrosion
Nozzle is fully open but delivers only 2 • Diaphragm or distributor is damaged • Replace the diaphragm and distributor
gpm (7 lpm) or less. (KR446)
Meter turns “jerky” at slow flow. Runs • Diaphragm or distributor is damaged • Replace the diaphragm and distributor
but hesitates. (KR446)
Meter calibrates high at fast flow • Diaphragm is damaged • Replace diaphragm (KR446)
• Damaged or worn pistons • Replace all pistons (KR436)
• Worn Crankshaft rollers • Replace rollers (107170 kit)
Meter calibrates high at slow flow, but • Diaphragm is damaged • Replace diaphragm (KR446)
calibrates normal at fast flow.
• Damaged or worn pistons • Replace all pistons (KR436)
• Leakage between distributor and valve • Damaged countervalve assembly,
plate distributor, and countervalve. Replace
components (KR446). See lapping
instructions in manual #N895501.
Meter calibrates low at slow flow • Friction • Replace diaphragm (KR446)
Over delivery and out of tolerance • Dirty or gummed pistons &/or piston • Clean piston seal and piston chamber
difference between fast and slow chambers using mineral spirits
delivery
• Damaged or worn piston seals • Replace all pistons (KR436)
Leakage between meter shaft and • Top lip seal is damaged • Replace top lip seal (A578702)
collector body
Meter calibration drifts positive over • Worn crankshaft rollers • Replace crankshaft roller (107170 kit)
time
Calibration dial is turned all the way • Worn crankshaft rollers • Replace crankshaft rollers (107170 kit)
“In” and still cannot calibrate the meter
• Diaphragm Damaged • Replace the diaphragm (KR446)
Meter will not calibrate • Diaphragm &/or distributor damaged • Replace diaphragm/distributor (KR446)
• Damaged or worn pistons • Replace all pistons (KR436)
• Worn crankshaft rollers • Replace crankshaft rollers (107170 kit)Bennett 1218 E. Pontaluna Road, Spring Lake, MI 49456 USA 800-235-7618 ~ Outside USA 231-798-1310 sales@bennettpump.com ~ www.bennettpump.com
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