Meter repair and spare parts supply chain

Gallus gas meter repair process and spare parts supply

ArmOrgGas  |  Gallus meter repair

Overview

Gallus repair at a glance

Yearly tenders for repair and spare parts, backed by tight inventory, repair and reporting controls.

2+
tenders every year: repair service, then spare parts
8
repair stages, from intake to verified release
1
part-number-level ledger per spare part number
3
recurring inventory reports: baseline meters, meters repaired, part numbers replaced

Supply cycle

The annual supply cycle

1
Repair contract tenderOperator tenders the repair service. Spare parts are excluded.
Operator
2
Annual quantity estimateWe give the operator our expected part quantities.
ArmOrgGas
3
Spare parts tenderOperator tenders parts based on our estimates.
Operator
4
Parts held at the operatorInventory sits in the operator-owned warehouse.
Operator
5
Release on request formWe receive parts against our request forms.
Both

Supply cycle

Estimate drives the parts tender

  • Estimate by spare part number, per meter type
  • Based on repair history and the installed base
  • Handed to the operator before the parts tender
  • Gallus map shows the format we use today
Gallus spare parts map: every part number we stock and use
Gallus spare parts map: exploded view of the assembled measuring unit with numbered parts
Gallus spare parts map sample

Supply cycle

Spare parts ledger, by part number

#Part numberDescriptionRepair stageOpenInOutClose
1[Gallus no.]Calibration gearCalibration gears––––
2[Gallus no.]Calibration gearCalibration gears––––
3[Gallus no.]Register driveRegister drive––––
4[Gallus no.]Index coverRegister––––
5[Gallus no.]Closing BeltReseal––––
6[Gallus no.]SealReseal––––
7[Gallus no.]Case foamCase––––

Ledger format: Open, In, Out and Close are the quantities we keep for each part number, taken from the Gallus spare parts map.

Controls

Controls we run on every cycle

1  Inventory

Exact stock level by spare part number

2  Repair output

Meters repaired per day, week, month and year

3  Installed base

Meters in use across Armenia by type and year

4  Outlier detection

Any quantity outside the baseline in any period is flagged

Controls

Reports and alerts on your schedule

We report at the frequency our suppliers and the operator need

Daily

Weekly

Monthly

Quarterly

Annual

Recurring reports

  • Stock by part number
  • Repairs by period
  • Installed base by type

Red-flag alerts

  • Outlier quantities in any period
  • Low stock before it hurts supply
  • Sent to the contacts the operator names

Repair process

Repair process in eight stages

1

Intake and log

Inventory control

2

Open case, remove seal

3

Replace register

4

Replace calibration gears

5

Sealing and repaint shell

6

Reseal

7

Test accuracy and leaks

Quality control

8

Verify and release

Inventory control

Stage 1

Intake: meters waiting for repair

Old Gallus meters lined up for repair
Meters waiting for repair
An old Gallus G4 meter before repair
An old Gallus meter before repair

Each meter is counted, logged by type and serial number, and tracked from here.

Stage 2

Opening the case

  • Remove the seal or closing band
  • Open the corpus (case)
  • Check the register and gears inside
Meter case being opened after the closing band is removed
Closing band removed, case opened

Stage 3

Replacing the register

Removing the old register from the meter
Removing the old register
Fitting a new register onto the meter
Fitting a new register

Register is the main spare part drawn on request forms.

Stage 4

Replacing calibration gears

Calibration gears inside the register, ready to be removed
Removing calibration gears
Installing a new calibration gear in the register
Installing a new gear

Frequently replaced gears are stocked and tracked by part number.

Stage 5

Sealing and repainting the shell

Repainting the meter shell with an airbrush
Airbrush painting
Repainted meter shell with the new register fitted
Repainted shell

Shell is repainted with an airbrush, coating matches the pale grey standard.

Stage 6

Resealing the meter

Closing the meter case with the band press
Closing the case with the band press
Sealed register with metrology seal
Sealed register

Seal numbers are logged against the part-number ledger.

Stage 7

Testing accuracy and leaks

Meter test bench with eight meters under test
Accuracy test bench
Repaired meter on the manometer stand for the leak test
Leak test on the manometer stand
Test record showing measured error against the allowed range at three flow rates
Test record: measured error against the allowed range at three flow rates

A meter that fails the test goes back to the relevant repair step.

Stage 8

Verified and released

Repaired meter with new register, ready for release
Final product
Stack of repaired meters ready to return to the operator
Repaired meters, ready for return to the operator

Repaired volumes feed the daily, weekly, monthly and annual counts.

Contact

Contact us

For any follow-up questions, please contact us.

ArmOrgGas CJSC

Shiraki St. 4th Lane, 8 Building, Yerevan 0086, Armenia

Phone: +374 10 42-16-80

Phone: +374 10 42-16-23

Email: info@armorggas.am