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TECHNICAL DETAILS

* This Mechanical Fuel Meter can be used to measure the flow of kerosene, diesel oil, water or 

other fluids of low viscosity. 

PERSONAL SAFETY

• 

Stay alert,

 watch what you are doing and use common sense when operating a fuel meter. Do 

not use a fuel meter while you are tired or under the influence of drugs, alcohol or medication. 

• 

Dress properly.

 Do not wear loose clothing, dangling objects, or jewelry. Keep your hair, 

clothing and gloves away from moving parts. Loose clothes, jewelry or long hair can be 

caught in moving parts. Air vents often cover moving parts and should be avoided.  

• 

Use safety apparel and equipment.

 Use safety goggles or safety glasses with side shields 

which comply with current national standards, or when needed, a face shield. Use as dust mask 

in dusty work conditions. This applies to all persons in the work area. Also use non-skid safety 

shoes, hardhat, gloves, dust collection systems, and hearing protection when appropriate.  

 Do not overreach. 

Keep proper footing and balance at all times.

INSTALLATION

1. The meter can be installed in any position, directly on rigid pipelines or flexible hoses, or 

directly on pumps or tanks.

2. The meter flow direction is fixed and indicated by an arrow. The meter is supplied in the 

standard configuration (Figure A).

3. The counter and the cover can be rotated around the body in order to carry out the different 

configurations (Figures B, C & D).

4. The reset knob can be installed either on the right side or on the left side of the meter in 

order to modify the standard configuration, following the instructions provided in the section 

“Disassembly/Reassembly.”

5. The meter body is equipped with 4 blind holes which can be threaded for a possible 

fastening. If solid particles enter the measuring chamber the correct working of the nutating 

disk may be affected.

6. Always filter the fluid by installing a filter (included) on the meter inlet. 

CALIBRATION

The meter is pre-calibrated in factory to be used with kerosene.

Item No.
Meter mechanism
Flow rate range
Operating pressure
Storage humidity
Working temperature range
Accuracy
Inlet/Outlet connection
Weight

15111200
Nutating disk
20-120 LPM / 5-32GPM
Max. 3.5 bar/50PSI
Max. 95%
-10 - 58°C
±1%
1" 
1.8 KGS

E13

Summary of Contents for FTWM120-001

Page 1: ...fore operating Failure to follow the safety rules and other basic safety precautions may result in serious personal injury Save these instructions in a safe place and on hand so that they can be read...

Page 2: ...ere are certain applications for which this equipment was designed It will do the job better and more safely at the capacity for which it was intended Do not modify this equipment and do not use this...

Page 3: ...014 1 00 A1 99 A2 99 limits and methods for measuring radio disturbance characteris tics EN55014 2 97 Electrical motor operated and thermal appliances for household and similar purposes electric tools...

Page 4: ...extinguishers placed next to the machine Combustion of paints and plastic parts may produce toxic emissions use the normal precautions to be employed in case of fire always refer to the security super...

Page 5: ...requirements EN 292 1 and EN 292 2 EN 55081 2 EN 55011C A 3 Other requirements 89 392 CEE ALLOWED AND FORBIDDEN USE 1 Diesel transfer unit has been designed and built for DIESEL TRANSFER ONLY from re...

Page 6: ...The meter used in the pumping unit is calibrated at the factory Calibration is recommended upon initial use after disassembly or significant wear Meter calibration can be easily changed with the proc...

Page 7: ...iability is limited to replacement or repair of defective material within the warranty period when returned freight prepaid to the distributor or their designated service depot 3 The warranty does not...

Page 8: ...Description Latex Washer Nut Bolt M12 Gun base Board Meter Q ty 4 4 1 1 1 1 Part No 11 12 13 14 15 16 Description Hose Connectors Pump Inlet Outlet Nozzle Bolt Q ty 1 1 1 1 1 4 Wearing parts EXPLODED...

Page 9: ...for continuous use under maximum back pressure Functioning under by pass conditions is only allowed for brief periods of time 2 3min utes maximum FLUIDS PERMITTED FLUIDS NOT PERMITTED PERMITTED 1 DIE...

Page 10: ...IMENSIONS for their position and dimen sion THE MOTORS ARE NOT OF AN ANTI EXPLOSIVE TYPE Do not install them where inflammable vapours can be present 4 CONNECTING THE TUBING Before connection make sur...

Page 11: ...quently always start up immediately 4 When the system is functioning the pump can work with pressure at the inlet as high as 0 5 bar beyond which cavitation phenomena can begin with a consequent loss...

Page 12: ...the suction filter is not clogged That the suction height does not exceed 2m if the height exceeds 2m fill the suction hose with fluid That the delivery tube is allowing the evacuation of the air When...

Page 13: ...Problems Low voltage in the electric power line Low level in the suction tank Foot valve blocked Filter clogged Excessive suction pressure High loss of head in the delivery circuit working with the b...

Page 14: ...BY PASS SPRING BY PASS VALVE SCREW M6 SCREW M6 PUMP BODY O RING ROTOR BLADE Q ty 1 1 1 1 4 1 1 1 1 5 Part No 11 12 13 14 15 16 17 18 19 20 Description SCREW M5 PIN 5 PUMP COVER KEY TERMINAL BOARD DOUB...

Page 15: ...ce at all times INSTALLATION 1 The meter can be installed in any position directly on rigid pipelines or flexible hoses or directly on pumps or tanks 2 The meter flow direction is fixed and indicated...

Page 16: ...perly fix the plug 26 with the sealing gasket 25 USE After installation and calibration the meter is ready to work Turn the reset knob 2 clockwise if it is mounted on the left of the meter and counter...

Page 17: ...ssembled chamber 2 Install the gaskets 16 17 properly after inspecting and lubricating them with grease 3 Make sure that when reattaching the cover to the body of the meter the nutating disk needle do...

Page 18: ...8 19 20 21 22 23 24 25 26 27 28 Description Meter body O ring 110 72x3 53 O ring 23 47x2 62 Measuring chamber Measuring tray Measuring chamber Cylinder spring Screws 4x20 O ring 4 47x1 78 By pass adju...

Page 19: ......

Page 20: ...Size 145x210mm REV 03 11 22 2 09 05 30 1087 157 Macnaught Americas 813 628 5506 info macnaughtusa com Read Manual Before Use...

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