Macnaught AMFM User manual

INSTRUCTION MANUAL
AMFM
MECHANICAL DIESEL METER
AMFM-issue0-2022

2macnaught | instruction manual
MECHANICAL DIESEL METER
AMFM
INSTRUCTION MANUAL
INTRODUCTION
Thank you for purchasing a Macnaught AMFM Mechanical
Diesel Meter.
The AMFM meter is a mechanical nutating disc meter
providing a reliable, accurate method of measuring diesel. The
meter has two totals available (resettable batch total and non-
resettable total).
Macnaught manufacture a full range of pumps, meters and
accessories to suit most of your fluid transfer needs. Please
consult your local Macnaught reseller for more information.
Please read and retain this instruction manual to assist you in
the operation and maintenance of this quality product.
This manual assists you in operating and maintaining your
new Mechanical Diesel Meter. The information contained will
help you ensure many years of dependable performance and
trouble free operation.
Your in-line nutating meter is designed to accurately measure
low viscosity fluids and water. This nutating disc meter is
ideal for use on low pressure in-line applications, mobile
installations and electric diesel pumps, generally fitted close
to the dispensing nozzle.
GENERAL INFORMATION
OPERATION
CAUTION
Observe precautions against fire or explosion when
dispensing flammable liquid. Do not operate the meter in the
presence of any source of ignition including running or hot
engines, lighted cigarettes or gas or electric heaters.
Ensure that you follow all the correct earthing and grounding
procedures before use.
Inspect seals and connections for leaks weekly
when using flammable liquids.
Do not use Teflon tape on any connections when using
flammable liquid.
Do not use this meter with gasoline or any fluid other than
the compatible fluid specified in this manual.
Do not use the meter above the maximum pressure of 3.5
bar.
Both the batch total and accumulative total will turn
simultaneously when fluid passes through the meter.
Turn the reset knob to reset the batch total to zero.
The meter has been manufactured for standard horizontal
fitting with a flow direction from left to right. The orientation
can be changed using the following procedure.
1. Remove the 4 screws that hold meter cover.
2. Remove the 2 screws that hold register.
3. Remove the 8 screws that hold meter aluminium top.
4. Turn the body to the desired location, ensure you do
not damage the sealing body o-ring.
5. Tighten the 8 screws that hold meter aluminium top, do
not exceeds max torque of 4,5 Nm.
6. Carefully fit the register to the meter body, ensure you
do not bend the pinion shaft.
7. Tighten the 2 screws that hold register, do not exceeds
max torque of 2 Nm.
8. Carefully place the meter cover.
9. Tighten the 4 screws that hold meter cover, do not
exceeds max torque of 2 Nm.
NOTE: When fitting meter, ensure direction of flow is the
same as the arrow cast to underside of the meter.
Macnaught recommends that a filter screen of at least 40
mesh is installed prior to the flow meter. Macnaught has a
HA1S (10 micron) fuel filter available if required.
DO NOT exceed a maximum pressure of 3.5 bar (50psi).
INSTALLATION

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MECHANICAL DIESEL METER
AMFM
INSTRUCTION MANUAL
NOTE: You will need to use an accurate measuring
container with graduations up to at least 19 litre capacity.
Calibration procedure
1. Set the batch total to Zero
2. Dispense 19 liters into your accurate measuring
container
3. Check the total shown on the meter and compare with
the actual total dispensed as shown in the container.
4. Adjust the calibration screw as required
a) Turn the screw clockwise to reduce the indicated
amount
b) Turn the screw anti-clockwise to increase the
indicated amount
NOTE: One full turn of the screw will change the indicated
amount approximately 2 liters.
5. Repeat steps 1 - 4 until meter calibration is acceptable
METER MAINTENANCEMETER FIEL CALIBRATION
This meter has been designed for minimum maintenance. If
you have a problem with the meter please follow the trouble
shooting guide in this manual or contact you local
Macnaught service center or distributor.
(Register cover removal / replacement)
Calibration may be required depending on installation or
after disassembly, metering different fluids or where meter
wear has occurred.
SMONTAGGIO COVER, POMELLO DI AZZERAMENTO E TAPPI
Proprietà della ADAM PUMPS Spa - Senza autorizzazione scritta della stessa il presente disegno non potrà essere comunque utilizzato per la
costruzione dell' oggetto rappresentato, nè venire comunicato a terzi o riprodotto. La società proprietaria tutela i propri diritti a rigore di legge.
Formato
A4
Codice
Denominazione
R-FLOW METER REPAIR KIT
1:5
Scala
Materiale
Revisioni
Rev.
RM n°
Data
Firma
Disegnato
1
Data
Tolleranze generali
UNI EN 22768-mK
Peso indicativo
Data
Approvato
1 di 5
Foglio
2 3 4 6 85 7 9
1
A
B
C
D
E
F
E
C
B
D
A
F
2 3 4
4321
Proprietà

4macnaught | instruction manual
MECHANICAL DIESEL METER
AMFM
INSTRUCTION MANUAL
SMONTAGGIO TESTATA, VITE DI CALIBRAZIONE,
TAPPO E RELATIVE GUARNIZIONI
21
19
N° Part Number Description Quantity
19 11010050200 O-RING 2018 NBR 2
21 11010100200 O-Ring 108 NBR
1
Proprietà della ADAM PUMPS Spa - Senza autorizzazione scritta della stessa il presente disegno non potrà essere comunque utilizzato per la
costruzione dell' oggetto rappresentato, nè venire comunicato a terzi o riprodotto. La società proprietaria tutela i propri diritti a rigore di legge.
Formato
A4
Codice
Denominazione
R-FLOW METER REPAIR KIT
1:5
Scala
Materiale
Revisioni
Rev.
RM n°
Data
Firma
Disegnato
1
Data
Tolleranze generali
UNI EN 22768-mK
Peso indicativo
Data
Approvato
2 di 5
Foglio
2 3 4 6 85 7 9
1
A
B
C
D
E
F
E
C
B
D
A
F
2 3 4
4321
Proprietà
A head disassembly, calibration screw, cap and related
seals
B disassembling the flange, body and o-ring chamber
213
SMONTAGGIOGLANGIA, CORPO E O-RING CAMERA
N° Part Number Description Quantity
2 OR045
O-RING 4450 (113,89x3,53)
NBR 70SH
1
13
TF096
CAMERA DI MISURA
COMPLETA + O-RING
1
Proprietà della ADAM PUMPS Spa - Senza autorizzazione scritta della stessa il presente disegno non potrà essere comunque utilizzato per la
costruzione dell' oggetto rappresentato, nè venire comunicato a terzi o riprodotto. La società proprietaria tutela i propri diritti a rigore di legge.
Formato
A4
Codice
Denominazione
R-FLOW METER REPAIR KIT
1:5
Scala
Materiale
Revisioni
Rev.
RM n°
Data
Firma
Disegnato
1
Data
Tolleranze generali
UNI EN 22768-mK
Peso indicativo
Data
Approvato
3 di 5
Foglio
2 3 4 6 85 7 9
1
A
B
C
D
E
F
E
C
B
D
A
F
2 3 4
4321
Proprietà
C gears and leverism disassembly
SMONTAGGIO INGRANAGGI E LEVERISMI
910
8
3
1
7
11
4
5
N° Part number Description Quantity
1 OR051 QUAD-RING (3,68x1,78) FKM 70SH
1
3 TF098 GEAR HOLDER
1
4 TF099 GEAR WHEEL SHAFT Z.14
1
5 TF100 GEAR WHEEL Z14
1
6 TF101 WHEEL GEAR SHAFT Z .61/11 Z.61/23
1
7 TF102 SHAFT BUSHING Ø3MM
1
8 TF103 GEAR WHEEL Z61-Z11
1
9 TF104 GEAR WHEEL Z62
1
10 TF105 CONIC PINION SHAFT
1
11 TF106 BUSHING CONIC SHAFT
1
12 TF108 DRAG LEVER
1
1
E
F
G
H
D
C
B
A
2 3 45 6
31 5 6 24
A
C
F
E
H
B
G
D
UNI EN 22768-mK
Formato
A3
Codice
Denominazione
R-FLOW METER REPAIR KIT
1:5
Scala
Materiale
Revisioni
Rev.
RM n°
Data
Firma
Disegnato
1
Data
Tolleranze generali Peso indicativo
Data
Approvato
4 di 5
Foglio
2 3 4 6 85 7 9
Proprietà della ADAM PUMPS Spa - Senza autorizzazione scritta della stessa il presente disegno non potrà essere comunque utilizzato per la
costruzione dell' oggetto rappresentato, nè venire comunicato a terzi o riprodotto. La società proprietaria tutela i propri diritti a rigore di legge.
Proprietà
D conical gear detail
PARTICOLARE INGRANAGGIO CONICO
Proprietà della ADAM PUMPS Spa - Senza autorizzazione scritta della stessa il presente disegno non potrà essere comunque utilizzato per la
costruzione dell' oggetto rappresentato, nè venire comunicato a terzi o riprodotto. La società proprietaria tutela i propri diritti a rigore di legge.
Formato
A4
Codice
Denominazione
R-FLOW METER REPAIR KIT
1:5
Scala
Materiale
Revisioni
Rev.
RM n°
Data
Firma
Disegnato
1
Data
Tolleranze generali
UNI EN 22768-mK
Peso indicativo
Data
Approvato
5 di 5
Foglio
2 3 4 6 85 7 9
1
A
B
C
D
E
F
E
C
B
D
A
F
2 3 4
4321
Proprietà
METER MAINTENANCE

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macnaught.com.au
MECHANICAL DIESEL METER
AMFM
INSTRUCTION MANUAL
Item Description Q.ty
1 QUAD-RING 1
2 O-RING 4450 1
3 GEAR HOLDER 1
4 GEAR WHEEL SHAFT 1
5 GEAR WHEEL 1
6 WHEEL GEAR SHAFT 1
7 SHAFT BUSHING Ø3MM 1
8 GEAR WHEEL Z61-Z11 1
Item Description Q.ty
9 GEAR WHEEL Z62 1
10 CONIC PINION SHAFT 1
11 BUSHING CONIC SHAFT 1
12 DRAG LEVER 1
13 MEASURE CHAMBER + O-RING 1
19 O-RING 2018 NBR 2
20 Z14 PINION 1
21 O-Ring 108 NBR 1
8
10
9
3
12
4
13
5
6
11
7
20
2
1
19
21
METER MAINTENANCE

6macnaught | instruction manual
MECHANICAL DIESEL METER
AMFM
INSTRUCTION MANUAL
Item Description Qty
2chamber lid 1
3meter body 1
20 measure chamber 1
21 adjustament bypass screw 1
27 reset knob 1
28 meter label 1
AVAILABLE ACCESSORIES
METER PART LIST
2 TF095 CHAMBER LID 1
3
TF097 METER BODY 1
4
TF098 GEAR HOLDER 1
15
TF110 BYPASS CLOSING CAP WITH O-RING 1
20
TF096 MEASURE CHAMBER 1
21
TF109 ADJUSTMENT BY-PASS SCREW WITH O-RING 1
22 11010100200
O-Ring 108 NBR 1
27
TF063 MAT FLOW RESET KNOB 1
28
MA147 R-FLOW 4C LABEL 1
2
3
21
202625
27
28
For seal kits: Order AMFM-1K (for pumps manufactured before Sep 2022)
Order AMFM-1K-N (for pumps manufactured after Sep 2022)
For fascia and
reset button
set:
Order AMFM-2K (for pumps manufactured before Sep 2022)
Order AMFM-2K-N (for pumps manufactured after Sep 2022)

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macnaught.com.au
MECHANICAL DIESEL METER
AMFM
INSTRUCTION MANUAL
METER DIMENSIONS
1" BSP-G
1" BSP-G
1" BSP-G
1" BSP-G
Meter Type Nutating disc
Flow rate 20 - 120 ltr/min
Maximum pressure 3.5bar (50psi)
Accuracy +/- 1%
Inlet / Outlet 1” BSP (F)
Temperature -20 deg C / +50 deg C
Display 4 digit
Weight 1.8 kg
Fluid Compatibility Diesel
Materials of construction NBR, PBT, Brass, Steel
METER SPECIFICATIONS
TROUBLE SHOOTING GUIDE
Problem Cause Solution
Meter not reading
1) Blockage in the fluid chamber 1) Clear blockage from fluid chamber
2) Meter installed incorrectly 2) Check the meter orientation (flow must be
in direction of the arrow
Batch total does
not reset
1) Reset knob not correctly engaged 1) Fit reset knob correctly
2) Register is broken 2) Replace meter
Meter leaking 1) Damaged o’ring seal 1) Replace o’ring

Macnaught Pty Ltd
41-49 Henderson Street
Turrella NSW 2205
Ph: 1800 185 102
Fax: [phone]
E-mail: [email protected]
For Warranty Terms and Conditions see www.macnaught.com.au
For a list of Australian Service Centres see www.macnaught.com.au
Built to last since 1948
Note:
This product should be disposed of according to all applicable local
and national government environment regulations and guidelines.
NOTES