SHOULDER RING - CLEARANCE "A" UPON FITTING
Name Description Dimensions Initials Quantity
Shoulder ring 1st Oversize 1.1 +0 -0.06 0.15 to 0.50
Shoulder ring 2nd Oversize 1.2 +0 -0.06 0.15 to 0.50
Shoulder ring 3rd Oversize 1.3 +0 -0.06 0.15 to 0.50
Shoulder ring 4th Oversize 1.5 +0 -0.06 0.15 to 0.50
For the clearance check, use the specific equipment.
N.B.
IF YOU DO NOT GET THE CLEARANCE "A" WITH SHOULDER RING "B", REPLACE THE LATTER
WITH A RING LARGE ENOUGH TO GET THE REQUIRED CLEARANCE.
Specific tooling
T.0060824 Control probe axle clearance gear change
Cylinder-piston oversizes
FITTING CLEARANCES
Pistons and cylinders supplied as spare parts by the Manufacturer are marked with the letters of the
alphabet. When both pistons and cylinders are replaced, the pieces with the same letter must be
matched.
NORMAL CYLINDER- PISTON NOMINAL SIZES
Specification
Desc./Quantity
Normal cylinder nominal sizes E=68 +0.025 - -0.005
Normal piston nominal sizes C=67.76 +0.025 -0.005
CYLINDER COUPLING - PISTON
Name
Initials Cylinder Piston Play on fitting
Coupling: 1st Oversize 68.20 to 68.22 67.96 to 67.98 0.24
Coupling: 2nd Oversize 68.40 to 68.42 68.16 to 68.18 0.24
Coupling: 3rd Oversize 68.60 to 68.62 68.36 to 68.38 0.24
Characteristics APE TM Benzina
CH - 20
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