mochty
Collector wannabe
Posts: 14
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Post by mochty on Oct 24, 2021 20:42:39 GMT -5
Any one ever use a hammer driver (carefully) on the Phillips screws under the flywheel that holds the gas tank to motor housing? I haven't stripped them out yet, but gezzz!!
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Post by blythkd on Oct 24, 2021 21:03:32 GMT -5
Yes, almost every time, and I've done lots of them. And I don't know how carefully I did it. I whacked the snot of the impact driver with a hammer. That's typically the only way you get them loose unless someone has already had them out and not put them back in as tightly and/or didn't use Loctite.
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mochty
Collector wannabe
Posts: 14
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Post by mochty on Oct 24, 2021 21:36:48 GMT -5
Yes, almost every time, and I've done lots of them. And I don't know how carefully I did it. I whacked the snot of the impact driver with a hammer. That's typically the only way you get them loose unless someone has already had them out and not put them back in as tightly and/or didn't use Loctite. thanks |
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Post by 5terrysupersaws on Oct 24, 2021 21:46:02 GMT -5
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mochty
Collector wannabe
Posts: 14
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Post by mochty on Oct 24, 2021 21:57:33 GMT -5
Great to know. On the hunt tomorrow for both.
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Post by charles on Oct 25, 2021 8:46:55 GMT -5
McMaster-Carr has Pozidriv bits . They have regular bits and "extra-high-torque" bits designed for impact drivers .
Charles
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Post by sweepleader on Oct 26, 2021 8:54:38 GMT -5
A dab of valve grinding compound on the bit helps prevent slip and can even save the situation when the screw head has already been damaged. It is available on line or in auto parts stores from Permatex and others, sometimes called valve lapping compound. It is like gritty toothpaste and bites into both the screw and driver for more traction. McMaster has it in many grades but only in large containers it seems.
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mochty
Collector wannabe
Posts: 14
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Post by mochty on Oct 26, 2021 9:16:22 GMT -5
Thanks for the replies. I got them out. Bought a hammer driver from auto zone. It came with a like a .250 bit so that limited my bits. It worked great! I have to get a better quality hammer driver.
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Post by tangobravo on Oct 26, 2021 14:57:26 GMT -5
Homelite made some 2nd design tank attachment screws that were torx style. They are much easier to work with for removing and attaching.
The threaded sections are triangulated on both styles (pozidrive, torx) and this helps them retain better after tightening. If you choose to use loctite, it will fill in these low areas- And be considerably more difficult to remove! You also are more likely to damage the threads in the crankcase when removing.
The triangulated areas actually help the screws bite and retain better and you can avoid the loctite use IF you tighten them adequately. Posi-driv styles are easily damaged and are then hard to re-tighten adequately. Don't use Phillips screw drive heads on these. Probably the reason so many go to loctite. Choose your misery-
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