Raising/lowering questions
Have had our trailer for a few months now, and in all the while it has raised up and lowered with not a hitch. This weekend I noticed that when lowering it seems to be catching a bit then dropping, the another catch. In total it seems to have 3 or 4 catches or studders when lowering. I am concerned that ther may be a larger issue that I can not see. Any other have ideas, or experienced this situation.
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Check the cables for broken wire strands, they will catch and cause the same problem. Is the top lowering even? Also check the Glide blocks and rails. Check the plastic seal behind the fridge it may have torn and is causing binding.
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Have you checked the hydraulic fluid level in the reservoir tank?
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Also, check the guide rod that parallels the hydraulic piston to make sure it is clean and greased. It can cause some big problems if not maintained.
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Raising/Lowering
The above posts are right on and the most likely causes of " catching " I just went thru a complete cylinder removal, replacement and repair. I went over the entire system. Here is a summary of what I learned.
1. Guide Rod: As the cylinder goes up and down it is supposed to make the pulley head slide "smoothly" on the guide rod. If the guide rod is dirty, corroded, bent etc. it will cause catching and chattering. My rod was bent 1/2" out of line and completely jammed the system. Clean, grease and inspect. 2. Pulleys: All pulleys should rotate as the cables move over them. Any frozen or stuck pulleys could cause catching. 3. Cables" Make sure the cables have no broken strands or "fish-hooks" that could cause catching. 4. Guide rails and blocks: Get a flash light and look up at the guide blocks that align the top on the rails. Make sure nothing is loose. 5. Top Level? Make sure the Top is the same measurment up off the supports. It could cause binding if it is cock-eyed. 6. Fluid level: With the top down, make sure the fluid level is OK in the reservoir. 1" from the top. I know, it is tough to check with the top down but it can be done. 7. Air in the system ( Long Shot): The system seem to be self-bleeding and should purge out any air after a few cycles. But air in the hydraulics could cause "chattering" If you can, get under the unit and observe all components during raising and lowering. Best as a Two man job but I did it one-man using a auto remote start switch jumped from the battery to solenoid. You will probably spot something. Good Luck ! |
The catching could be the screws that hold the tracks the top rides on.they will loosen & need to be checked/tightened. Missing ones replaced. The vibrating could be lack of grease and or a bent rod. The rod gets bent from no grease. The cables underneath need grease too,so do those tracks that the screws are in.get grease a rubber glove and rub it on these places. Then raise it and go back and hit the spots that are hidden when lowered. I do mine 2x a year or as needed,when it looks dry-cracking. No grease on the guide bar and bar will bend . Big problems.hope its nothing big good luck.
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Guide Blocks
Check out this post, it may answer your question:
https://www.hilotrailerforum.com/f17/...placement-543/ |
With top up, unscrew the glide rail and reinsert it in the glide block, then screw back into place. If glide block is worn off on one side replace it.
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