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Old 03-02-2012, 17:21   #1
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Location: Home is in the Sth West of the UK
Boat: Wright 40 - 1977 build, ketch, 12 mts
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Turning Crankshaft by Hand

Hi, we have recently replaced the head on our Westerbeke 40 (Perkins 4.108) and are now trying to set the tappets we need to turn the Crankshaft by hand. Is there a special tool we need? our crank pully has an opening for a socket of 1 and 1/8". Do mechanics have a special tool or is there another way we haven't thought of.

The Tuppenny Girls
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Old 03-02-2012, 17:36   #2
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Boat: 1988 Brewer Three Seas 40' Pilothouse
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Re: Turning crankshaft by hand

Usually a breaker bar and socket with an extension will do it.

John Davidson
S/V Laurie Anne
1988 40' Brewer Pilothouse
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Old 03-02-2012, 17:37   #3
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Re: Turning crankshaft by hand

A socket on the balancer bolt will work just fine. Be sure the fuel is off and the battery is disconnected.
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Old 03-02-2012, 17:39   #4
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Re: Turning crankshaft by hand

I turn my 4.108 over with a large adjustable spanner.
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Old 03-02-2012, 17:49   #5
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Re: Turning crankshaft by hand

Am I right in assuming that you don't have a 1&1/8" socket and are looking for another solution?
All men dream: but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find it was vanity: but the dreamers of the day are dangereous men, for they may act their dreams with open eyes, to make it possible. T.E. Lawrence
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