Lubrication – Automobile crank and gear case service
Patent
1986-10-03
1988-10-11
Smith, Leonard E.
Lubrication
Automobile crank and gear case service
123196R, 141 8, 141 65, 1375991, 2104165, F16M 1302
Patent
active
047764317
ABSTRACT:
Method and apparatus for changing oil in an internal combustion engine pierces an outer wall of an old oil filter containing old motor oil to form an opening in a lower portion of the filter wall. Old motor oil is drawn from the pierced oil filter into a container by suction through the filter wall opening and a suction conduit. The oil drain plug from a crankcase containing old motor oil is removed to form a drain opening in the crankcase, and old motor oil is drawn from the crankcase into a container by suction through the drain opening and a suction cup, to empty the crankcase of old motor oil. The drain opening is closed after emptying the crankcase of old motor oil by securing the drain plug in the drain opening. The pierced and drained old oil filter is replaced with a new filter and the drained crankcase is refilled with fresh motor oil.
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