Engine block cylinder head bolt hole repair

Details Engine block cylinder head bolt hole repair Engine block cylinder head bolt hole repair

1990-07-19

1991-06-25

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

2988806, 2940206, 2940208, 2940211, 2940218, 408 79, B23P 600

Patent

active

050255568

ABSTRACT:
A method for repairing cylinder head bolt holes including removing the cyder head from the damaged cylinder bore and removing an adjacent cylinder head from its adjacent cylinder bore. A drill base support is installed in the adjacent cylinder bore and drilling platform studs are installed at locations corresponding to the drill base stud holes. A drill base and a jig are installed and a drill press is used to drill and remove broken bolts. The inside diameter of the damaged bolt hole is measured and studs are installed in the block with adhesive applied to the threads of the studs.

REFERENCES:
patent: 4234275 (1980-11-01), Clement
patent: 4580931 (1986-04-01), Wilger et al.
patent: 4625465 (1986-12-01), Kirt
patent: 4652186 (1987-03-01), Sverdlin
patent: 4820089 (1989-04-01), Shiets
patent: 4850756 (1989-07-01), Dubois

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