RING 8U0755 - Caterpillar

Illustration 1. Location of dimension A and the identification mark on the cylinder block.
Illustration 2. Location of View B-B and the identification mark on the cylinder head.
Illustration 3. Location of dimension B.There is also a minimum for the total of dimensions A and B. This minimum total of 418.26 mm (16.467") must be checked any time a resurfaced block deck and resurfaced cylinder head are used on the same side. This dimension is necessary to prevent piston to valve contact.
Piston projection must be considered when resurfaced cylinder blocks are used. Piston projection (the amount the pistons extend above the deck surface of the block), must be 0.43 0.46 mm (.017 .018"). This dimension is the same for new or resurfaced cylinder blocks.
The dimensions in this article can be used as a guide any time a cylinder block or head are resurfaced. Also, the original specification for flatness must still be held. This specification is 0.15 mm (.006") for the total length and a maximum of 0.08 mm (.003") for any 152.4 mm (6.00") length.