In a message dated 26/01/01 16:56:55 GMT Standard Time,
denver.farley@monroe.army.mil writes:
<< I am not sure what the readings should be, perhaps we could pose this
question to the List as follows:
Does anyone know what the engine cylinder compression readings should be for
an M151A2 engine? >>
Hello Denver and Anith.....
the trusty ol' TM (-20) says that "Compression at cranking is 135 to 145
psi".
It goes on to say (page 2-87) that:-
"the lowest reading cylinder should be within 25psi of the highest reading
cylinder. The minimum allowable pressure reading is 85psi.".
The TM also warns that valve clearance must first be checked at 0.015 inch.
Hope this helps.
Kind regards.
Ken
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