Edition du 29/03/12 15/16 U508113-e Révision 4
9. Periodic servicing
9.1. General
Periodic maintenance is required at least once a year.
Service operations must be carried out by a Company approved by Weights & Measures.
9.2. Monthly Periodic Inspections
9.2.1. Strainer Baskets
The strainers installed upstream of the meter should be inspected.
N.B Filtration for Gasoline/premium/Jet : 200microns
Filtration for Gas oil, Diesel Oil, Fuel Oil : 450 microns
9.2.2. MA 21 Measuring Chamber
Check that no leakage is occurring around the measuring chamber outlet shaft
9.2.3. Ticket Printer
Make sure there are no particles or pieces of ticket caught in the ticket printer mechanism.
9.3. Yearly Inspection
9.3.1. MA 21 Measuring Chamber
The transmission assembly consisting of wheel (3) and screw (2) on the drive shaft (4) should be cleaned and
greased.
Check clearance between the wheel (3) and the screw (2).
Check the bearings (5 & 6) on shaft (4).
Clean and grease the bearings (5 & 6)
In the upper part of the inlet/outlet manifold (7), check the rings and the drive gear shaft leading to the mechanical
register.
Clean and grease the drive gear assembly in the upper part of the manifold (7).
N.B
The AB 35 calibrating mechanism does not require preventive maintenance.
