SLIDE-OUT MOTOR BOLTS AND SHAFT SUPPORT FIX

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CATEGORY:  SLIDE-OUTS & COMPONENTS

TOPIC: SLIDE-OUT MOTOR BOLTS & SHAFT SUPPORT FIX
Posted: 4 Jul 2018 08:52 #277
Posted By: falconhunter

See Forum Post HERE

When I started this post back in 2012 I didn’t have a problem with too much end play on the shaft. My problem was loose motor bolts and seen a need for a better way to support the motor shaft. I still have my very first homemade version of this fix made from two machined down pillow block bearings on my slide with zero issues to this day. I had no idea there would be almost 10,000 views of this thread and that it would morph to what it is now. 

Morber: As an unfortunate member of the “now I have two slides chattering and balking club”, finding a repair that stays is important as we are days from full time.

I have been wanting the bearing clamp fix that we have seen here for years – it is a great band-aid but my underlying concern was it was not a perm fix. 

Thankfully Tim has taken a hard look at the whole situation with his usual analytical mind and determination to find the underlying cause and how to fix it. Not being a machinist, but a tad handy, I am going to tackle an attempt to follow a suggested repair over the next few days. Had to get some materials I’m not familiar with (see the not a machinist comment) and printing out detailed instructions. I think he is on the right track as to root cause and a perm fix – we will keep everyone updated. What bothers me is why our long slide decided to again tilt instead of staying aligned – but that is a possible different issue.

Morber: Chip – thanks to your efforts, a great fix was created. I’m jealous of those that got one. Your post also eventually got the ball rolling as to finding a root cause and a more perm fix. I think Tim is on the right track with that.  I suspect that the more perm fix will be fixing the gearbox issue he feels is the problem AND a version of your clamp.

There are two issues that seem to collide – gearbox is one, and slide tilt causing chattering. We would not be this

far along without you getting things started. Thanks again.

 

TimCar: I have a set for you (Morber/Bill) and will rebuild both of the gearcases on your motors as soon as I return from my vacation.

I would have sent you a set of the “FalconHunter Fix” braces, but the video you showed me says your gearcase has already come apart.  Chip’s fix needs to be installed before the bushings fail. Installing it afterward is “closing-the-barn-door, horse-already-out” and can cause serious damage to the gear case housing because nothing is supporting the other end of the shaft. The back of the shaft will be forced to “climb” up/down every time the motor is engaged, slamming into the aluminum bearing recess.

We will document the rebuild and post for all to see, along with information a machinist can understand that anyone else with this problem can use now and in the future. (I’ve been a Machinist for 40+ years, and know how to speak machinist).

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