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Old 06-27-2004, 04:28 AM   #1
patodonn
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Join Date: Jun 2003
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M.O.C. #331
Hydraulic Slide problem

We have two slides that are hyd operated, in sequence. Everything is normal on extension. When it is time to retract them, the first slide comes in fine. As the rear slide starts in, the electric pump motor just stops after a few seconds, while the "In" switch is still depressed. If you release the switch, pause a fesw seconds and press it again, all works fine. I have seen it "stop" again just before the slide is fully stowed.

The aft slide seems to make more noise on retraction than the forward one...some fairly minor squealing noises. Retraction speed seems about the same as the front slide.

Are we overheating the motor and some sort of a thermal cutoff feature on the pump motor kicks in? Is there some sort of possibly faulty position sensor on the slide? Maybe the switch itself has an overheat problem?

Any info is appreciated....we are taking it in for warranty service in mid-July.

Thanks,
 
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Old 06-27-2004, 06:22 AM   #2
NJ Hillbilly
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Join Date: Mar 2003
Location: Flemington
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M.O.C. #242
Try lubing the slide mechanism and lubing the gaskets. The gaskets when dry put a lot of drag on the slides when trying to move.

The stopping is the circuit breaker tripping, this is normal. The larger slides do move slower than the small ones, I believe the hydraulic cylinder is larger and reqiures more fluid to operate hance more time.

John
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Old 06-27-2004, 02:49 PM   #3
Joyce H
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M.O.C. #266
You might want to check the fluid level for your hydraulic. I know when we purchased our unit we had to add some extra fluid. Make sure you do not over fill. Check level when all slides are in as the level goes down when slides are out.
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Old 06-27-2004, 03:37 PM   #4
Just148
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M.O.C. #1043
Both have very good points. Most would not think to check the fluid with the slides in. Good point Joyce.
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Old 06-27-2004, 04:02 PM   #5
sreigle
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M.O.C. #20
On some, including ours, the breaker for the slide motor was too small. So we had that same problem. Our dealer asked Keystone and they sent a larger breaker, still within safety specs. We've not had a single recurrence in over 18 months.

Another possibility is as others mentioned, if the slides need to be lubricated. If they move smoothly they're probably lubed ok. If they kind of jump or bounce as they come in, then they need lubing. I use Camco's Dry Slide Lube (or something to that effect). Great stuff although around 10 bucks per can. I got it at Camping World but have seen it in a few Walmarts (very few). RV dealers might have it also. Another brand might be just as good.

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Old 06-28-2004, 06:18 AM   #6
dbrill
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M.O.C. #359
We had the same basic problem with our main slide only when it was extending out. Like Steve our dealer replaced the breaker and we have not had the problem since.
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