Tool assembly for removal and installation of freeze plugs

Details Tool assembly for removal and installation of freeze plugs Tool assembly for removal and installation of freeze plugs

1981-11-20

1985-05-07

Watson, Robert C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29262, 29267, 29275, B23P 1904

Patent

active

045148902

ABSTRACT:
The tool assembly enables installation in and removal from a combustion engine block of freeze plugs. The puller component has a plug penetrating point which is forced through the plug to define an opening. Spreader segments associated with the point can be spread laterally into engagement with the edge of the opening. Means are provided for imposing a retraction force on the segments, which cooperate to pull the plug free. A fresh plug is inserted in the freeze plug opening by utilization of an installer head shaped to releasably hold the plug during insertion in the opening after which the head can be withdrawn. Special leverage and force application arrangements are associated with the puller and installer head.

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