there should have been a flat washer and a lock washer butted up against the screw face.
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Two questions:
1: It looks like the spring-loaded idlers wheels are held on by a torx screw. One of mine is loose, so the arm drops down too far. What size torx do I need to pick up to retighten it?
2: Possibly, due to the aforementioned loose idler, one of the connecting pins for the track on that side broke. Is there a special trick to removing the pins to change out the track link?
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Originally posted by Hoomi View PostTwo questions:
1: It looks like the spring-loaded idlers wheels are held on by a torx screw. One of mine is loose, so the arm drops down too far. What size torx do I need to pick up to retighten it?
2: Possibly, due to the aforementioned loose idler, one of the connecting pins for the track on that side broke. Is there a special trick to removing the pins to change out the track link?
There is a special trick to removing the pin....be careful and tap it out with a 1mm punch until you can grab it with a pair of pliers and pull it the rest of the way out.
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My experience with Heng Long metal tracks is that the metal is EXTREMELY brittle and "crumbly". It is far too easy to break them when trying to remove and install track pins. I had bad experiences trying to replace links on my T-34. Several brand new links were destroyed by the ends crumbling away when pushing the pins in or out. I wish they would use a stronger alloy for the tracks.
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Originally posted by Cascabel View PostMy experience with Heng Long metal tracks is that the metal is EXTREMELY brittle and "crumbly". It is far too easy to break them when trying to remove and install track pins. I had bad experiences trying to replace links on my T-34. Several brand new links were destroyed by the ends crumbling away when pushing the pins in or out. I wish they would use a stronger alloy for the tracks.
Now you can bend the pin if you hit it too hard, but then that happens even to the best aftermarket track pins. When dealing with track pins, firm but gentle is always best.
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I found an old drill bit that was the right size to use to drive out the old pin (and pieces of the broken pin). I was surprised by the amount of rust on the pins, particularly since I don't recall having run the tank through any puddles.
As such, once I had the track back together, I found a couple of places where the links were stiff on the hinge pins, and not pivoting freely, due to the rust. I applied a little rubbing alcohol to the pivot points, and worked the links back and forth to loosen them up. I plan to pick up a plastic-safe oil with a needle-tip applicator, to lubricate the pivot points, and hopefully, help protect the metal pins from moisture. Any recommendations?
I'll give the other track an inspection later this afternoon.
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Originally posted by Hoomi View PostI found an old drill bit that was the right size to use to drive out the old pin (and pieces of the broken pin). I was surprised by the amount of rust on the pins, particularly since I don't recall having run the tank through any puddles.
As such, once I had the track back together, I found a couple of places where the links were stiff on the hinge pins, and not pivoting freely, due to the rust. I applied a little rubbing alcohol to the pivot points, and worked the links back and forth to loosen them up. I plan to pick up a plastic-safe oil with a needle-tip applicator, to lubricate the pivot points, and hopefully, help protect the metal pins from moisture. Any recommendations?
I'll give the other track an inspection later this afternoon.
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