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Transmission splined drive removal

Old Marine Engine » Gray Marine Gas Engines - 4, 6, and 8 cylinder » Transmission splined drive removal « Previous Next »

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William Lyons
New member
Username: bluedevil

Post Number: 1
Registered: 07-2018
Posted on Friday, July 27, 2018 - 11:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I am trying to disassemble a 4-75 Phantom. On the front of the crankshaft is a splined coupling then the timing gear. How do I get it off. I have removed the 1/2 x 20 bolt holding it to the crank, but does it just pull off? Don't want to break anything. Thanks in advance
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Ned Lloyd
Senior Member
Username: ned_l

Post Number: 174
Registered: 08-2012
Posted on Thursday, August 02, 2018 - 05:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

You really need to get your hands on (or make) a puller that grabs behind the stub shaft.
I made such a puller about 35 years ago when I needed to remove a stub shaft off a Gray 109. It is pressed on pretty tightly, so you want to remove it correctly.

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