2 OPERATION No D. 451-0 : Checking and adjusting the braking system components 1434 1433 FITTING 11, Fit the gauge 3565 - T (see illustration) Turn the apparatus and note the point at which the diameter of the shoes is greatest by means of arm «A», Tighten the wing nut to secure the arm in this position. Loosen the locknut (1) on the eccentric bushes Position the eccentric so that the smallest «throw» is downwards.