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Old 05-26-2015, 01:33 PM   #1
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Front Landing Gear

I tried to lift the rear tires of my TV while attempting to disconnect my 5r at a precarious angel last year. The front landing gear locked up and I have to get the manual crank out and un-stucked it. For the last several connects and disconnects I have had an increasing chunking noise. Last week I had a strange wiggle to the 5r while sitting in my favorite chair that was just not right. After investigating I saw the left front clevis pin at the landing pad vibrating while the DW was cleaning inside. Not good. I watch several videos on jacking gear replacement that included replacement of the bevel gears. So last week I hooked up and disassembled the landing gear and did the inspection. I found several pieces and missing teeth on the horizontal bevel gear but the screw jack looked good. The local RV dealer sent (A Lippert gear set) via UPS. All parts in the package look the same but when I tried to slide the bevel gear on the jack shaft it was to small. This in the Navy is called a dry run. After taking pictures, cleaning and reassembling I called the parts department. They didn't understand why but sent an Atwood set FEDEX. This Atwood set has several parts that are foreign to what is installed and the bevel gears are to small also. Called the parts department again and although very prompt and courteous their not sure why. Guys, got any ideas?
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Old 05-27-2015, 10:11 PM   #2
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Did a little more searching and found that Atwood makes both Heavy duty and a Standard Duty gear package. Haven't received the Venture gear set from the RV dealer. Tomorrows another day.
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Old 05-30-2015, 09:37 AM   #3
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Serv-mgr. @ RV Dealer called yesterday. Seams Lippert used Stromberg Carlson landing gear on Forest River. Not sure if its the correct size but found one on Amazon. Should be here by Friday. Stay tuned...

Amazon.com: Stromberg Carlson LG146059 Landing Gear: Automotive

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Old 05-30-2015, 10:10 AM   #4
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Ima tell you a story. I used to replace beveled gears and had bad luck with getting any life out of them. I discovered the worm drive in the leg gets damaged and thats what kills the bevel gears. Once you finally get the right gears you'll probably find hard cranking and short life expectancy. Suggestion...get new jack assemblies. Sorry this advice was not available to you sooner.
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Old 05-30-2015, 10:27 AM   #5
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Ima tell you a story. I used to replace beveled gears and had bad luck with getting any life out of them. I discovered the worm drive in the leg gets damaged and thats what kills the bevel gears. Once you finally get the right gears you'll probably find hard cranking and short life expectancy. Suggestion...get new jack assemblies. Sorry this advice was not available to you sooner.
Or just take the jacks apart and find out what is wrong with the worm drive and fix it. Took a brand new set apart because they would bind at several spots on both jacks and found burrs on the threads and the thread dia slightly oversize. Cleaned the burrs off in a lathe with a file and everything worked very smoothly. The gears will last if the worm drive is functioning properly.
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Old 05-30-2015, 01:41 PM   #6
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Hehe...sounds like the good old rvs forum where you get chastised for suggesting a new furnace motor just because its 38 years old when you can just boil the oilite bushings in oil and sand the commutator. I suggest that because most OEM landing legs are one step too light and they are not that pricey to do as a set. I found that the bad spot burrs up the nut and then the nut works the rest of the shaft. In the repair industry, I cant gamble ona repair like that. Funny...Im usually getting flack for suggesting a repair instead of replacement. I hope the OP keeps us informed hows this works out for him. With the time and effort invested, I hope Im wrong on this one...
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Old 05-30-2015, 02:16 PM   #7
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Hehe...sounds like the good old rvs forum where you get chastised for suggesting a new furnace motor just because its 38 years old when you can just boil the oilite bushings in oil and sand the commutator. I suggest that because most OEM landing legs are one step too light and they are not that pricey to do as a set. I found that the bad spot burrs up the nut and then the nut works the rest of the shaft. In the repair industry, I cant gamble ona repair like that. Funny...Im usually getting flack for suggesting a repair instead of replacement. I hope the OP keeps us informed hows this works out for him. With the time and effort invested, I hope Im wrong on this one...
FYI, these were brand new replacement jacks I was referring to, not the original factory jacks and they were not cheap, over $400.
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Old 06-07-2015, 01:30 PM   #8
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Any level two tech out there? I have grown accustomed to asking for a level two tech on the phone these days, I guess it's time for the forum. This is the second time I disassembling and the third set of replacement gears that, once again do not fit. I took several measurements this time and lots of pictures. It really is getting easier to do.



Out of all the pictures I took the one that needs careful attention is # 3. It shows how the retaining pin for the horizontal gear (Bottom Gear) is kept in place. It is a thin spring clip. Of all the of gears received to date none has this type of retainer. Second is picture # 4, it shows the vertical bevel gear's drive shaft inserted in both the horizontal gear (Sloppy), (gear has a 5/8" I.D./shaft is 1/2") and of course the shaft fits vertical gear. All three sets of replacement gears have the same 1/2" I.D. So I'm asking for the expertise of the forum. Special note; In my research, Atwood list's two sets of replacement gears. The one I received were the "HD". I have a Flagstaff Super Lite. Would it qualify as an "HD" ? Any Atwood experts out there?
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Old 06-07-2015, 03:09 PM   #9
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Once you acquire the right gears, I very strongly suggest you remove the main vertical screw in the jack and the nut and file and de-burr both of them to the point you can spin the nut without it hanging up anywhere in the entire travel. You can use a reversible drill to turn the bolt while you hold the nut in a vise. It may be a little time consuming with a knife/fine tooth bastard file, but it will save you headaches down the road. Had to do it on a brand new set of jacks that had tight spots when running them up and down. They should not have any tight spots anywhere on the entire travel.
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Old 06-07-2015, 05:55 PM   #10
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Thanks for the insight. I will put it on the next "To Do" tear-down.
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