 Secondary oil relief valve, Getting the sucker out |
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| 3d914 |
 Jan 26 2012, 07:24 PM
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#1
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Senior Member  Group: Members Posts: 1,275 Joined: 24-September 03 From: Benson, AZ Member No.: 1,191 Region Association: Southwest Region  |
Can someone verify the size of the 12-point star for the secondary oil relief valve? This is the one located on the right side of the engine between two push-rod tubes.
Found this in the PET. Item #25: (IMG:http://www.914world.com/bbs2/uploads_offsite/forums.pelicanparts.com-1191-1327627484.1.jpg) (IMG:http://www.914world.com/bbs2/uploads_offsite/forums.pelicanparts.com-1191-1327627485.2.jpg) This indicates the thread size is 16mm, so the 12-point could be 14-15mm. Mine appears to have measured at 13mm, but there are no german tools suppliers that have this size. 12mm, 14mm, but no 13mm. Couldn't find it in the Birds parts either. Just need someone to verify the correct size bit. TIA |
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| JimN73 |
Jan 26 2012, 07:54 PM
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#2
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Senior Member Group: Members Posts: 535 Joined: 6-October 07 From: Gig Harbor Member No.: 8,192 Region Association: Pacific Northwest |
QUOTE(3d914 @ Jan 26 2012, 05:24 PM)  Can someone verify the size of the 12-point star for the secondary oil relief valve? This is the one located on the right side of the engine between two push-rod tubes. Found this in the PET. Item #25: (IMG:http://www.914world.com/bbs2/uploads_offsite/forums.pelicanparts.com-1191-1327627484.1.jpg) (IMG:http://www.914world.com/bbs2/uploads_offsite/forums.pelicanparts.com-1191-1327627485.2.jpg) This indicates the thread size is 16mm, so the 12-point could be 14-15mm. Mine appears to have measured at 13mm, but there are no german tools suppliers that have this size. 12mm, 14mm, but no 13mm. Couldn't find it in the Birds parts either. Just need someone to verify the correct size bit. TIA 14 mm |
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| 3d914 |
Jan 26 2012, 08:36 PM
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#3
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Senior Member Group: Members Posts: 1,275 Joined: 24-September 03 From: Benson, AZ Member No.: 1,191 Region Association: Southwest Region |
Thanks, Jim.
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| mrbubblehead |
Jan 26 2012, 10:05 PM
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#4
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Twodollardoug Group: Members Posts: 1,155 Joined: 17-December 10 From: calimesa ca. Member No.: 12,492 Region Association: Southern California |
i just used a small cold chisel and hammer. one little tap and it loosened right up. used my fingers the rest of the way. piece of cake.
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| Jake Raby |
Jan 26 2012, 10:13 PM
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#5
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
Strike sharply once with a hammer...
Insert a 3/8 drive extension into the relief cap. It will contact on just 4 points, but thats all thats necessary. Loosen with ease. |
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