Murray Tecumseh engine bolts fall out
#1
06-01-09, 02:19 PM
Join Date: Jun 2009
Location: Tennessee
Posts: 4
Murray Tecumseh engine bolts fall out
I have a 8 yr old murray witht a 17 hp Tecumseh Engine that keeps loosing the engine bolts. I have replaced them at least 4 times in the last 2 years. I have tightened them, locktited them. My question to the Tecumseh folks, can I drill the bolt holes through and put a longer bolt and nut on them? When the motor loosens, the drive belt slips untill there is no movement!
Chuck in E. TN
Chuck in E. TN
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#2
06-01-09, 05:10 PM
Join Date: Jun 2009
Location: Tennessee
Posts: 4
update
I replaced all 4 of the special pointed bolts with regular 3/8 x 16 bolts and they fell out almost immediately. I used an anaerobic thread locker on them too. Any ideas? Will thread inserts work? what size would I use?
Any suggestions appreciated.
Chuck in E. TN.
Any suggestions appreciated.
Chuck in E. TN.
#3
06-01-09, 05:17 PM
Member
Join Date: May 2009
Location: Lake Winnipesaukee, New Hampshire
Posts: 634
Try using red locktite and let it sit for 24 hours before using.
Also, make sure the threads on the bolt are clean along with the threads on the engine. Spray them with brakleen and blow them off with compressed air. New bolts can have an oil residue on them. And make sure there is NO oil on the threads on the engine. DO NOT use Carb cleaner. Carb cleaner has a lubricant to lube linkages & pivot points. Brakleen dries clean, leaving NO residue.
Also, make sure the threads on the bolt are clean along with the threads on the engine. Spray them with brakleen and blow them off with compressed air. New bolts can have an oil residue on them. And make sure there is NO oil on the threads on the engine. DO NOT use Carb cleaner. Carb cleaner has a lubricant to lube linkages & pivot points. Brakleen dries clean, leaving NO residue.
#4
06-01-09, 06:52 PM
Member
Join Date: Jan 2005
Location: Winnipeg MB, Canada.
Posts: 188
You could drill holes but do you really want to?
Try using nylon locking nuts instead of the regular flat nuts the machine came with. They should work well and will never come off on their own. You can use lock-tite if you feel the need.
Try using nylon locking nuts instead of the regular flat nuts the machine came with. They should work well and will never come off on their own. You can use lock-tite if you feel the need.
#6
06-02-09, 04:13 AM
Join Date: Jun 2009
Location: Tennessee
Posts: 4
can't do nuts
Om closer inspection I see the holes for the mount bolts are all blind, and end inside the crankcase. Can't drill through and use nuts. It's going to require either redrilling and tapping to a larger size or some kind of threaded insert.
The motor mounts to a plate that is bolted to the frame rails. So, today, I will pull the motor, plate and all, and take it to a shop, or research installing the inserts myself.
Thanks for all the input.
Chuck in E. TN
The motor mounts to a plate that is bolted to the frame rails. So, today, I will pull the motor, plate and all, and take it to a shop, or research installing the inserts myself.
Thanks for all the input.
Chuck in E. TN
#7
06-02-09, 05:58 AM
Member
Join Date: May 2009
Location: Lake Winnipesaukee, New Hampshire
Posts: 634
can you post the engine model number please?
#8
06-02-09, 07:07 PM
Member
Join Date: Jan 2007
Location: MA
Posts: 514
Hey Indy, just an FYI you have spelled
Winnipesaukee wrong on your location
Winnipesaukee wrong on your location
#9
06-03-09, 03:36 AM
Join Date: Jun 2009
Location: Tennessee
Posts: 4
Helicoils
Update. Went to Advance Auto yesterday and got a 3/8 x 16" helicoil kit. Drilled, tapped and installed inserts in all 4 mounting holes.
I'll reassemble today and see how it works.
Thanks for all the help and sugestions.
Chuck in E. TN
I'll reassemble today and see how it works.
Thanks for all the help and sugestions.
Chuck in E. TN
#10
06-19-09, 08:45 PM
Member
Join Date: Jun 2009
Location: Florida
Posts: 1
Model # and Torque
Yes, I might also be able to use the model number someone else asked for. I recently acquired Limited Edition Murray with 17 HP Tecumseh Industrial/Commercial motor, but do not know model #.
I'd also like to mention the importance of proper torque settings. You might wish to check to be sure your torque wrench does not need to be recalibrated. You could check yours against someone else's whose is properly calibrated, just to be sure.
Thank you for the info.
I'd also like to mention the importance of proper torque settings. You might wish to check to be sure your torque wrench does not need to be recalibrated. You could check yours against someone else's whose is properly calibrated, just to be sure.
Thank you for the info.
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