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S1420, Rev A

July 2009

IMPORTANT! This manual contains important warnings

and other information.

READ AND KEEP FOR REFERENCE.

Installation &

Operation Manual

MFM
Inlet/Outlet: 3/4” (F)
Inlet/Outlet: 1” (F)

MECHANICAL FUEL 

METER

Summary of Contents for FM-20

Page 1: ... Rev A July2009 IMPORTANT This manual contains important warnings and other information READAND KEEP FOR REFERENCE Installation Operation Manual MFM Inlet Outlet 3 4 F Inlet Outlet 1 F MECHANICAL FUEL METER ...

Page 2: ...ed in a manner not specified by Groz the protection provided by the equipment may be impaired and the warranty voided Questions or Service Assistance If you have questions regarding the product or this document contact Groz Engineering Tools Pvt Ltd Groz Net Industries Village Kherki Daula National Highway 8 Gurgaon 121001 Haryana India TEL 91 124 282 7700 221 4050 FAX 91 124 2827986 221 4224 FAX ...

Page 3: ...er PRODUCT IDENTIFICATION INFORMATION Back of front cover General information 1 Introduction 1 Before Installation 1 Installation 2 Daily Operations 2 Maintenance 3 Calibration 3 Repair 4 Troubleshooting 5 Specifications 6 Parts services 6 Illustrated Part Lists 7 Table of Contents ...

Page 4: ...ical fuel meters are designed for the field measurement of thin viscosity petroleum fuels only and are intended for use with pump or gravity feed systems in the 15 to 75 LPM flow range Using mechanical gears these meters translate flow data from a nutating disc into calibrated units that are indicated on the face of the meter Upon receipt of your meter examine it to make sure there are no visible ...

Page 5: ...mponents and there is no leakage at connections If leakage is present refer to the Troubleshooting Section 2 Follow safety precautions wiping any spilled fuel from the exterior of the meter and other system components DAILY OPERATIONS Dispense Fuel This meter is designed for use only with thin viscosity petroleum fuels such as diesel fuel kerosene and gasoline up to 15 alcohol blends such as E15 M...

Page 6: ... 3 NOTE The small display represents the Cumulative Total of all pump deliveries 2 To enhance meter accuracy dispense fuel using a quick open and quick close method Avoid choking flow as the tank becomes full MAINTENANCE 2 Using a fine brush clean the strainer and reposition in the housing 3 Wipe clean the strainer coverplate O ring groove and the housing Coat the O ring with oil or light grease a...

Page 7: ...ion container and repeat steps 2 to 4 until the meter registers the quantity in the container 6 Install the calibration screw cover and seal REPAIR Replace Counter Assembly or Nutator Kit 1 Pull out on the reset knob to remove 2 Remove the two screws connecting the counter cover to the counter assembly Remove the counter cover 3 Remove the four screws securing the counter assembly and gently pull ...

Page 8: ... components by hand Do not use a wrench since it could damage the meter housing 3 Using safety precautions thoroughly drain excess fuel from the meter 4 If the meter will not be immediately installed again insert plastic plugs in the inlet and outlet ports TROUBLESHOOTING SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION A Meter Counter Doesn t Operate Normal fuel delivery 1 Broken counter assembly 2 Forei...

Page 9: ...ranty consideration parts or other service information contact your local distributor If you need further assistance please contact the Groz Customer Service Department To obtain prompt efficient service always be prepared with the following information 1 The model number of your meter 2 Date of manufacture 3 Specific information about part numbers and descriptions obtained from the appropriate Il...

Page 10: ...meter using procedures in the Repair Section Do not return meters or parts without specific authority from the Groz Customer Service Department Due to strict regulations governing shipment of flammable liquids meters may be refused and returned to the sender if sent without authorization ILLUSTRATED PARTS LIST ...

Page 11: ...t Knob 1 Knob Seal 1 Cover O Ring 1 Counter Assembly Litre 1 Housing O Ring 1 Nutator Kit 1 Housing 1 inch NPT 1 Housing 1 inch BSPP 1 Housing 3 4 inch NPT 1 Housing 3 4 inch BSPP 1 Calibration Screw Seal 1 Calibration Screw 1 Flat Washer 1 Calibration Cover Screw 1 Seal Filter Can Strainer Coverplate 1 Strainer 1 Strainer Coverplate 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Item No Part No Descrip...

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