The Thread Spread - Revisited
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-Crank Threads-
Right (way) To Tighten
The Question - On the right hand side of the TRX crankshaft ( clutch side), is the thread a right hand or left hand thread?
- The Response - The thread is a right hander - normal. Keep in mind the clutch drive gear has locating marks on it as does the balancer shaft and its drive gear. Additionally, the balancer shaft is marked "OUT" on it outer face as does the washer which is installed just under the clutch drive gear bolt. Torque that primary drive bolt to 29 - 36 ft-lb when you're done.
- Take care when removing that gear - you don't want to put anything hard in between the gears to prevent them from turning while you loosen or tighten up the bolt (like a screwdriver). There is a special tool dealers sell that is used just for this purpose - it holds the gears still while you work on them - its worth buying. Many people use a soft piece of metal; brass, aluminum to place between the gear teeth to prevent them from moving. That will most likely work, but it can put such a stress on the bearings there is the possibility of damage while doing it. I have heard of people using everything from wood to cloth to plastics to prevent the gears from turning. All of these would be better than screwing something in the spark plug hole or putting something in the cylinder (let the piston squish a rag - ugh!) to prevent the motor from turning over. I've also had good results using air tools to remove bolts/nuts like that. With just a little hand pressure you can prevent the part from moving while easily removing it with the air.
- Rick
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- Waay back many years ago, I used a soft copper penny (yes they are all copper) between the gears thinking, as I was told by the dealer, that this was totally safe. I learned an invaluable lesson as the clutch basket gear ended up cracking and $250 later I had a new one. I would NEVER use anything in such a way that the bearings are under stress. If you do not have air, you can use a hammer to beat on the butt end of your ratchet. Craftsman will warranty dented ratchets. Leave the plug in as the compression will help - and you're not putting any more stress on the bearings and crank any more than a running motor does.
- Trax310
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