Impeller Housing Disassembly: 2 Frozen Screws |
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Impeller Housing Disassembly: 2 Frozen Screws |
stephestrad |
Dec 1 2015, 01:13 AM
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#1
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Newbie Group: Members Posts: 18 Joined: 28-February 13 From: Berkeley, CA Member No.: 15,596 Region Association: Northern California |
I'm attempting my first partial engine disassembly and I have run into a stumbling block: Two of the screws in the front of the impeller housing are solidly frozen. Additionally, the slots of the heads are starting to strip out.
Removal attempts so far: 1. Soaked them overnight in WD-40. 2. Several raps with a hammer. (Normal hammer, struck the screwdriver handle, not the screw directly.) 3. Heated them with a propane torch (3 or 4 times, 30-60 seconds each). - I tried with and without squirts of water post-heating. - Before and after the heat, sprayed with PB Blaster. - Was the heat a bad idea, given the magnesium housing? The screws are still stubbornly in place. For what it's worth, the engine is horizontal, so the WD-40 and BP Blaster don't have the benefit of gravity to helping pull them into the threads. Help!!! (IMG:style_emoticons/default/sad.gif) |
bdstone914 |
Dec 1 2015, 06:51 AM
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#2
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bdstone914 Group: Members Posts: 4,673 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
Do you really need to split the fan housing? it is held on by fout 13mm nut that are behind the fan.
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GaroldShaffer |
Dec 1 2015, 07:42 AM
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#3
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You bought another 914? Group: Benefactors Posts: 7,627 Joined: 27-June 03 From: Portage, IN Member No.: 865 Region Association: None |
Do you really need to split the fan housing? it is held on by fout 13mm nut that are behind the fan. (IMG:style_emoticons/default/agree.gif) |
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