background image

7

TROUBLESHOOTING

 Symptom

Probable Cause

Corrective Action

A

Meter counter does

not operate

  (Normal

fuel flow)

Broken counter 

assembly

Replace counter

Counter alignment

Look for loose or 

missing fasteners, bent 

or misaligned parts

Foreign material in 

counter assembly

Remove and clean 

counter assembly

Missing or worn bevel 

gear

Replace bevel gear

B

Meter counter does

not operate

(Little or no fuel flow)

Clogged strainer in 

meter inlet

Clean or replace 

strainer

Jammed rotors from 

foreign material in rotor 

assembly

Remove and clean rotor 

assembly

Other system 

components 

malfunctioning

Check all system 

components tank to 

nozzle for clogs and/or 

malfunctions

  Repair as 

necessary

C

Fuel leakage

Leakage between 

coverplate and housing

Remove coverplate and 

inspect for damaged, 

missing or incorrectly 

seated seal

  Replace 

as required

Leakage at fittings

Remove fittings and 

inspect for damaged, 

missing or incorrectly 

seated seals

  Replace 

as required

Leakage at threads

Remove meter and 

reseal all threaded 

connections with thread 

tape or pipe thread 

sealing compound 

approved for use with 

flammable liquids�

Summary of Contents for GPRO QM Series

Page 1: ...s 7 Informative Table Diesel 8 Informative Table Unleaded 9 Illustrated Parts List 10 Parts and Service 15 TABLE OF CONTENTS SAVE THESE INSTRUCTIONS QM Series Positive Displacement Fuel Meter Owner s Manual Great Plains Industries Inc is a member of the Petroleum Equipment Institute Victor Lukic President Great Plains Industries Inc ...

Page 2: ...ly with thin viscosity petroleum fuels such as gasoline gasoline ethanol blends E15 maximum diesel and kerosene b The non UL Approved version of this meter is for use only with diesel fuel and kerosene 2 DANGER Observe precau tions against fire or explosion when dispensing fuel Do not operate the meter in the presence of any source of ignition including running or hot engines lighted cigarettes or...

Page 3: ...eight of the rotors must be supported by the horizontal rotor shafts If installed incorrectly performance life or accuracy could be affected see Figure 1 Liquid can flow in a horizontal direction or a vertical direction but in each case the rotor shafts must be in a horizontal plane It is preferred to install the flow meter upstream of a flow control or shut off valve as the back pressure provided...

Page 4: ...e installed when operating the meter otherwise particles may enter the meter chamber and disrupt the smooth operation of the oval gears 2 Wrap threaded male connections with thread tape or use a pipe sealant compound compatible with petroleum fuels 3 Install the meter on the pump us 4 Install hose nozzle or filter onto the system and tighten OPERATION ALWAYS FOLLOW SAFETY PRECAUTIONS WHEN OPERATIN...

Page 5: ...utlet modular filter adapter o rings bolts filter The QM40 includes adapter plates o rings and bolts for use with threaded pipe Without the inlet adapter plate the QM40 can be bolted directly to the outlet of a GPI or GPro pump featuring a modular outlet Bolt modular accessories to the outlet of the QM40 or use the outlet adapter plate for threaded pipe Use a GPI modular filter adapter to include ...

Page 6: ...e been adjusted at the factory The gasoline setting is approximately fully closed turn clockwise Do not overtighten the screw against the seat figure 5a 5 Reinstall the plate 4 screws and the O ring seal if removed Tighten 4 screws to 42 46 lb in 4 7 5 2 N m torque MAINTENANCE The meter s strainer should be cleaned at regular intervals especially if reduced flow is encountered Clean or Replace Str...

Page 7: ... strainer Jammed rotors from foreign material in rotor assembly Remove and clean rotor assembly Other system components malfunctioning Check all system components tank to nozzle for clogs and or malfunctions Repair as necessary C Fuel leakage Leakage between coverplate and housing Remove coverplate and inspect for damaged missing or incorrectly seated seal Replace as required Leakage at fittings R...

Page 8: ...ror Display 0 01 Dispensed Amount 100 0 1 Dispensed Amount 100 Operating Temperature 20 F to 125 F 29 C to 52 C Maximum Work ing Pressure 50 PSIG 3 4 Bar Wetted Materials Housing Cover Fittings Aluminum Rotors PPS Polyphenylene Sulfide Shafts Strainer Stainless Steel Seals NBR Nitrile Butadiene Rubber Mag Drive Acetal Stainless Steel and Neodymium Nickel Plated Inlet Outlet Ports 1 NPT female 1 NP...

Page 9: ... 5 10 15 20 25 30 35 40 PRESSURE DROP PSI ERROR FLOWRATE GPM QM240 QM40 ACCURACY PRESSURE DROP vs FLOWRATE DIESEL FACTORY SETTING NOMINAL UPPER RANGE FACTORY SETTING NOMINAL LOWER RANGE CALIBRATION SCREW IN CALIBRATION SCREW OUT 2 TURNS PRESSURE DROP ...

Page 10: ...will adjust entire flow curve up 1 5 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 1 5 1 0 0 5 0 0 0 5 1 0 1 5 2 0 0 5 10 15 20 25 30 35 40 PRESSURE DROP PSI ERROR FLOWRATE GPM QM240 QM40 ACCURACY PRESSURE DROP vs FLOWRATE UNLEADED SCREW IN ORIGINAL EQUIPMENT SCREW IN WITH GEAR KIT SCREW OUT 2 TURNS WITH GEAR KIT PRESSURE DROP ...

Page 11: ...11 NOTES ...

Page 12: ...12 K L A B C B C F G H I J N ILLUSTRATED PARTS LIST K For QM40 ...

Page 13: ...1 rotor set G 139500 07 KIT COVERPLATE ASSEMBLY GAL Includes 1 assembled coverplate gears mag drives housing seal at taching hardware H 139500 08 KIT COVERPLATE ASSEMBLY LITRE Includes 1 assembled coverplate gears mag drives housing seal at taching hardware ITEM PART NO DESCRIPTION I 139500 09 KIT CALIBRATION SCREW Includes 1 calibration screw 1 O ring J 139500 10 KIT BACK PLATE Includes 1 back pl...

Page 14: ...14 D E K L M C H ILLUSTRATED PARTS LIST ...

Page 15: ... Includes 1 counter assembly attach ing hardware K 139500 11 KIT TOP COVER GALLON Includes 1 top cover w gallon decal attaching hardware L 139500 12 KIT TOP COVER LITRE Includes 1 top cover w litre decal attaching hardware M 139500 13 KIT MIDDLE COVER Includes 1 middle cover attaching hardware 139500 15 KIT UNLEADED FUEL QM240 Not shown ...

Page 16: ...anty work always be prepared with proof of purchase date Please contact GPI before returning any parts It may be possible to diagnose the trouble and identify needed parts without returning parts GPI can also inform you of any special handling requirements you will need to follow covering the transportation and han dling of fuel transfer equipment Before packing for shipment make sure the meter is...

Page 17: ...l not apply if A the product has been altered or modified outside the warrantor s duly appointed representative B the product has been subjected to neglect misuse abuse or damage or has been installed or operated other than in accordance with the manufacturer s operating instructions To make a claim against this warranty contact the GPI Customer Service Department at 316 686 7361 or 800 835 0113 O...

Reviews: