Device for changing fuel pump on internal combustion engine

Details Device for changing fuel pump on internal combustion engine Device for changing fuel pump on internal combustion engine

1988-01-15

1989-07-11

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

269 49, 269 53, 269 544, 411309, 411386, B23P 1900

Patent

active

048458180

ABSTRACT:
A specially designed holding device for holding a fuel pump push rod in place during the installation of a fuel pump on an internal combustion engine is threaded into an existing threaded bore which intersects the passage containing the push rod. The holding device comprises an elongated threaded member of relatively soft metallic material compared to that of the block, e.g. aluminum, and having safety means for preventing damage to the push rod comprising an undersized forward inner thread portion, i.e. the first 21/2 to 3 threads, which will strip more readily than the threads of the engine block in the bore when over tightened. Alternatively, the safety means comprises a relatively soft metallic inner end portion or tip on the holding device.

REFERENCES:
patent: 1980093 (1934-11-01), Rosenberg
patent: 3248747 (1966-05-01), Scott
patent: 3935785 (1976-02-01), Lathom
patent: 4027573 (1977-06-01), Laverty
Setko Set Screws Catalog No. 19, p. 2.

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