PART VIIICOUNTER MACHINES
Materials and principles of construction
79.
Counter machines shall not be constructed upon the accelerating weighing instrument principle.
80.
(1)
Where the beam of a counter machine has two side members, they shall be connected together by not less than two cross bars; and the supports for the pans shall be of suitably rigid structure, such as crosses strengthened by straps.
(2)
The centre forks of counter machines shall be so fixed that they cannot twist or get out of place.
81.
The bearing surfaces and points of contact of all stays, hooks and loops of counter machines shall be of hard steel or gate or of other material approved by the Board.
82.
(1)
Where a counter machine is adjusted by means of a balancing box, the box shall be permanently fixed beneath the weights pan and shall only be large enough to contain loose material to an amount not exceeding 1 per cent, of the capacity of the machine.
(2)
No other means of adjustment shall be fitted, except where the machine is of a pattern in respect of which a certificate of approval granted or deemed to have been granted under section 12 of the Weights and Measures Act 1963 is in force.