Author Topic: 031 bar studs ?  (Read 869 times)

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Offline bafarm

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031 bar studs ?
« on: March 21, 2011, 12:03:47 pm »
Hi,

Mine are stripping in the case.

Is there enough meat to drill for threaded inserts?
If so, which type is works better, Helicoil-spring or solid?

Thanks in advance, Don

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Offline Cut4fun

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Re: 031 bar studs ?
« Reply #1 on: March 21, 2011, 01:40:16 pm »
Never had to do it myself. Just throwing other ideas out there too.

http://www.mcmaster.com/#threaded-inserts/=bj5crv

http://www.timesert.com/



You might check if Stihl has a over sized replacement like these.

If the Standard Collar Screw is part #1127 664 2400, DG 8 thread, use Oversize Collar Screw part # 1127 664 2410, DG 9 thread, for 1127 series saws such as MS 290, MS 390

Installation:  If the thread has been stripped, the damaged mounting hole in the engine housing already has the required diameter (approx. 8 mm) and does not
need to be drilled out. Coat the DG 9 thread of the new collar screw with Red LOCKTITE 262, or equivalent and apply it squarely to the bar mounting face.
Use an 8 mm stud puller to install the collar screw into the engine housing and tighten down to a torque of 16 Nm.

If the Standard Collar Screw is 1123 664 2400, DG 8, use Oversize Collar Screw 1123 664 2405, DG 9, for 1123 series saws (021, 023, 025, MS 210, MS 250). It will also work on the 1130 (MS 170, MS180), and 1132 (MS 191T)
install same as above.

An oversize collar screw, part number 1115 664 2405, is available for alloy housings that have been stripped. The damaged hole will need to be drilled out to 8.5 mm (0.335 or letter drill Q) and rethreaded with a 10 mm by 1.5 pitch tap. Coat the threads with Red LOCKTITE 262, or equivalent, and install with the stud remover or use the double nut method. This collar screw is for the 3003 bar mount.
REDNECK Saw Repair

Offline bafarm

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Re: 031 bar studs ?
« Reply #2 on: March 21, 2011, 03:40:27 pm »
Thanks for the quick response,

Mine is 1110 664 2400 and I do not find any listings for -2405 or -2410. It would have been too easy. I'll pull one out and see what size it is.

I will look into the inserts. I use to deal with a local machine tool supplier that carry's both versions so I will check in with them.

I forgot to mention great job on this site.

Don

 

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