Forum Discussion

nayther's avatar
nayther
Explorer
Jan 13, 2015

Landin Gear (again!)

So added the second motor to my landing gear on a separate switch, bought the kit from the MFR. Speed of gear is greatly improved but now they're failing again. Seems as if they don't stay sychronized as they lift the trailer, one goes faster than the other and then starts to skip. I know I need to pull them both out now and replace the bevel gear/roll pin. Thought about reinstalling the link but don't know if that's the answer. Since we boondock in the desert almost exclusively there are many times I need to raise/lower the front quite a lot to get level, actually had to dig down the rear wheels of the TV to get hooked up Sunday.

What a PITA!

Any thoughts?
Toy Haulers
  • Humpty's avatar
    Humpty
    Explorer
    Jan 13, 2015
    I have to raise mine a good bit to level at home. The OEM single Motor system just wasn't up to the repeated challenge. Then I left on leg partially down and bent it badly. The cure was to install a completely new system. I went a Ultra-Fab dual motor kit similar to this one -->
    Ultra-Fab Deluxe Electric Landing Gear Set

    I got lucky in that swapped right in with no issues.
  • big_buford's avatar
    big_buford
    Explorer
    Jan 13, 2015
    Only thing off the top of my head, re-wire with the same length leads. May be getting a bit of voltage drop if one leg wires are much longer than the other side. I have the bullydog dual motor system and have noticed the same. Need to rewire mine also and see if it helps. Been that way for a couple yrs with no issue though.
  • 64thunderbolt's avatar
    64thunderbolt
    Explorer II
    Jan 13, 2015
    check rpm of the two motors. They have to match. Also the gear ratios if the new motor came with a gear.
  • nayther's avatar
    nayther
    Explorer
    Jan 14, 2015
    64thunderbolt wrote:
    check rpm of the two motors. They have to match. Also the gear ratios if the new motor came with a gear.


    The motors are identical so the RPM's are equal in theory certainly the gear ratios are the same in the reduction boxes.

    I might try lengthening the one side BB, that might help sync. 'em up some. Also need to lube them up real good when I have them out.
  • nayther's avatar
    nayther
    Explorer
    Jan 14, 2015
    Humpty wrote:
    I have to raise mine a good bit to level at home. The OEM single Motor system just wasn't up to the repeated challenge. Then I left on leg partially down and bent it badly. The cure was to install a completely new system. I went a Ultra-Fab dual motor kit similar to this one -->
    Ultra-Fab Deluxe Electric Landing Gear Set

    I got lucky in that swapped right in with no issues.


    hate to dump another 500+ into this. Was thinking about installing a single switch in parallel with the other two via a pilot relay but I really think one just runs faster (the one farthest from the battery) than the other.
  • BoonHauler's avatar
    BoonHauler
    Explorer
    Jan 14, 2015
    nayther wrote:
    Humpty wrote:
    I have to raise mine a good bit to level at home. The OEM single Motor system just wasn't up to the repeated challenge. Then I left on leg partially down and bent it badly. The cure was to install a completely new system. I went a Ultra-Fab dual motor kit similar to this one -->
    Ultra-Fab Deluxe Electric Landing Gear Set

    I got lucky in that swapped right in with no issues.


    hate to dump another 500+ into this. Was thinking about installing a single switch in parallel with the other two via a pilot relay but I really think one just runs faster (the one farthest from the battery) than the other.


    why not just switch them separately? Wouldn't that provide better control?
  • jims1's avatar
    jims1
    Explorer
    Jan 14, 2015
    Hook up to your truck and take a measurement from each pad to the ground. Use your individual switches to make them even. Run both at the same time for 30 sec. Measure again. Did one extend further than the other?.
    I have the UltraFab gear set like mentioned above that runs on 2 independent switches. You have to keep equal pressure on the landing gear legs or one will overload and the clutch start to slip. Once the clutch has slipped enough you have to either rebuild or replace it.
  • big_buford's avatar
    big_buford
    Explorer
    Jan 14, 2015
    jims1 wrote:
    . Run both at the same time for 30 sec. Measure again. Did one extend further than the other?.


    Yes, that is the problem. Were looking for a fix.
  • nayther's avatar
    nayther
    Explorer
    Jan 14, 2015
    BoonHauler wrote:
    nayther wrote:
    Humpty wrote:
    I have to raise mine a good bit to level at home. The OEM single Motor system just wasn't up to the repeated challenge. Then I left on leg partially down and bent it badly. The cure was to install a completely new system. I went a Ultra-Fab dual motor kit similar to this one -->
    Ultra-Fab Deluxe Electric Landing Gear Set

    I got lucky in that swapped right in with no issues.


    hate to dump another 500+ into this. Was thinking about installing a single switch in parallel with the other two via a pilot relay but I really think one just runs faster (the one farthest from the battery) than the other.


    why not just switch them separately? Wouldn't that provide better control?


    They are switched separately now.
  • nayther's avatar
    nayther
    Explorer
    Jan 14, 2015
    jims1 wrote:
    Hook up to your truck and take a measurement from each pad to the ground. Use your individual switches to make them even. Run both at the same time for 30 sec. Measure again. Did one extend further than the other?.
    I have the UltraFab gear set like mentioned above that runs on 2 independent switches. You have to keep equal pressure on the landing gear legs or one will overload and the clutch start to slip. Once the clutch has slipped enough you have to either rebuild or replace it.


    This is a good idea. I think I'll mark the legs in 1" increments, that way I can keep track of how much each one moves.

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