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Old 09-14-2015, 11:23 PM   #1
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Lubricant

My rear jacks are not going all the way up and I was told I need to clean and lubricate them. Any suggestions on good lubricant/silicone spray?
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Old 09-14-2015, 11:29 PM   #2
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What brand jacks? On our '02 DSDP the HWH jacks were never lubricated and still had the original (straight) springs after 13 years of use.
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Old 09-15-2015, 12:00 AM   #3
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Some recommend WD-40 as a lubricant, some recommend a silicone spray because it's less likely to attract grit and dirt. Either will do.

Run your jacks out more than normal, the wipe them clean, then wipe with your chosen spray. Should be fine.
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Old 09-15-2015, 12:07 AM   #4
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Welcome to iRV2.
Knowing your jack brand would help , but if they are HWH, these pdf's are from the manufacturer.
Attached Files
File Type: pdf HWH jack maintenance.pdf (16.1 KB, 65 views)
File Type: pdf HWH jack & spring info.pdf (8.6 KB, 34 views)
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Old 09-15-2015, 05:23 AM   #5
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I have a rear jack that will get balky once in awhile. I just spray down the shaft with WD-40, then wipe it down real good. Any left will work like a dirt magnet. But afterwards it works fine. I also just bought a dry lube from WD-40 I'm going to try next time.
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Old 09-15-2015, 05:44 AM   #6
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I have a rear jack that will get balky once in awhile. I just spray down the shaft with WD-40, then wipe it down real good. Any left will work like a dirt magnet. But afterwards it works fine. I also just bought a dry lube from WD-40 I'm going to try next time.
I just had good results with this process.
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Old 09-15-2015, 06:59 AM   #7
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My HWH jacks will be slow coming up from time to time and I just spray some run of the mill silicone lubricant on all the hinges which seems to help. While I am doin this, I will also give the shafts a quick spray and wipe. From what I've read many times is not to use WD-40 as a lubricant. Cleaner yes, lub no.
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Old 09-15-2015, 07:04 AM   #8
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Just as others have posted WD-40 is a cleaner it will remove oils,tar,gum not a lubricant. After cleaner you can put a little trans fluid on shaft.
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Old 09-15-2015, 09:38 AM   #9
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Our Powergear jacks have grease zirks and call for greasing them with a lithium based grease every 20-30 cycles.
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Old 09-15-2015, 03:25 PM   #10
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Our last MH had grease zerks on the landing legs, that required getting a shot of grease once a month. When they were slow to retract, I just shot a little grease to them and all was good again.
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Old 09-15-2015, 03:50 PM   #11
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All kinds of construction equipment has hydraulic Rams left out in the elements for long periods of time and this is never a issue. There is a wiper seal right inside made to keep debris out and wipes the ram with each stroke in and out. I've you chose to put anything on yours it just gets wiped off, it doesn't lubricate anything inside because of that. All Rams are made different for everything so if it's not operating correctly then usually it's something inside the ram.
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Old 09-15-2015, 08:54 PM   #12
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I wanted to thank all of you for the wonderful advice. As a new motorhome owner its nice to see all the help everyone is willing to give. I will check the mfg of the jacks and maintenance them accordingly.
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Old 09-17-2015, 10:43 AM   #13
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WD 40 is a good cleaner, use it, wipe it off, then spray with dry lube.
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Old 09-17-2015, 10:59 AM   #14
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Quote:
Originally Posted by davenang View Post
My rear jacks are not going all the way up and I was told I need to clean and lubricate them. Any suggestions on good lubricant/silicone spray?
Quote:
Originally Posted by Mr_D View Post
What brand jacks? On our '02 DSDP the HWH jacks were never lubricated and still had the original (straight) springs after 13 years of use.
davenang
Do you have a manual for your jack system?
My RVA manual recommends WD-40 as a cleaner and a lubricant.
Mel
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