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Thread: Off topic newer Cat repair

  1. #1
    Join Date
    Nov 2006
    Location
    McBEE, SC
    Posts
    2,475

    Default Off topic newer Cat repair

    The farms 420D backhoe wouldn't go into forward, just reverse. The dealer suggested that the solenoids were the problem so we peeled back the mat & floor plate to have a look. The coils all ohm'd ok , but no power to the fwd coil when the lever in fwd. We removed the selector module from the column to test it & it had a rattle when I shook it. Turns out the electric half is sealed and works via a small lever with a magnet. Plastic lever broken! Complete unit is over $300! So here is my fix
    20200601_152908.jpg20200601_153238.jpg20200601_181157.jpg20200601_181624.jpg
    The alum was quick to machine, light weight, & didn't interfere with the operation of the magnetic button.
    Thirty PS4051
    Gas 35's
    Diesel 35
    Diesel 40
    Gas 50's 5A
    Diesel 50 1E1755
    Diesel 75
    D6100 power unit 4C9144
    D 8800 power unit 9J 6113SP
    RD4
    D4 7J & 7U
    R4 4G
    D2 5u & 3J
    212 9T
    LeTourneau D4 tournapull/Q Carryall
    Letourneau D Carryall's
    LaPlant-Choate CAB-97.
    Henry G1 hyd pan

  2. #2
    Join Date
    Nov 2007
    Location
    NW Ohio
    Posts
    4,246

    Default

    Send those photos to Cat engineers, tell them to get it right or dont charge so much for there cheaply made machines.

  3. #3
    Join Date
    Nov 2006
    Location
    Faunsdale, AL USA
    Posts
    4,393

    Default

    Better than new!
    D2-5J's, D6-9U's, D318 and D333 power units, 12E-99E grader, 922B & 944A wheel loaders, D330C generator set, DW20 water tanker and a bunch of Jersey cows to take care of in my spare time

  4. #4
    Join Date
    Nov 2006
    Location
    McBEE, SC
    Posts
    2,475

    Default

    Quote Originally Posted by ccjersey View Post
    Better than new!
    Thanks, that is what I was thinking, plus a trip to the dealer was spared. The rest of the unit seems very rugged, just that weak connecting link. And as always, I like to pound my problems with the hammer I have.
    Thirty PS4051
    Gas 35's
    Diesel 35
    Diesel 40
    Gas 50's 5A
    Diesel 50 1E1755
    Diesel 75
    D6100 power unit 4C9144
    D 8800 power unit 9J 6113SP
    RD4
    D4 7J & 7U
    R4 4G
    D2 5u & 3J
    212 9T
    LeTourneau D4 tournapull/Q Carryall
    Letourneau D Carryall's
    LaPlant-Choate CAB-97.
    Henry G1 hyd pan

  5. #5
    Join Date
    Nov 2006
    Location
    Lansing,Mi suburbs
    Posts
    1,172

    Default

    Great solution, with good machine skills.

  6. #6
    Join Date
    Nov 2006
    Location
    Pittsford NY
    Posts
    4,919

    Default

    Was the toggle coming up against a stop before the handle was? Wondering why it broke like that given it's not pushing against anything but that lip in the toggle side looks suspicious.
    Cheers,
    Neil.

  7. #7
    Join Date
    May 2019
    Location
    Shandon, California. Near the home of the Best of the West Tractor Show.
    Posts
    77

    Default Mother Ship Response

    "Dear Valued Caterpillar Customer:

    By your recent actions - complete with photographic evidence on a public forum - you have voided all warranties and have violated the covenants, conditions, and restrictions stated in subparagraph 4,257(c)(1) of the original purchase and sale agreement signed by the original purchaser of this fine piece of Caterpillar equipment. As soon as COVID 19 disappears and the looting and rioting subside in Peoria, our crack team of equipment repossession representatives will be paying you a visit to confiscate your backhoe and to teach you the value of abiding by a purchase and sale agreement you may or may not have read, and may or may not have even signed.

    Have a Nice Day,

    Caterpillar"

  8. #8
    Join Date
    Nov 2007
    Location
    NW Ohio
    Posts
    4,246

    Default

    "Ha! good luck with that one!"
    Attached Images Attached Images

  9. #9
    Join Date
    Nov 2006
    Location
    McBEE, SC
    Posts
    2,475

    Default

    Quote Originally Posted by Neil View Post
    Was the toggle coming up against a stop before the handle was? Wondering why it broke like that given it's not pushing against anything but that lip in the toggle side looks suspicious.
    Neil, I tried to push the plastic parts together tight for measuring and the crack came up short. I'm guessing the plastic shrank & cracked. There isn't any interference inside.
    Thirty PS4051
    Gas 35's
    Diesel 35
    Diesel 40
    Gas 50's 5A
    Diesel 50 1E1755
    Diesel 75
    D6100 power unit 4C9144
    D 8800 power unit 9J 6113SP
    RD4
    D4 7J & 7U
    R4 4G
    D2 5u & 3J
    212 9T
    LeTourneau D4 tournapull/Q Carryall
    Letourneau D Carryall's
    LaPlant-Choate CAB-97.
    Henry G1 hyd pan

  10. #10
    Join Date
    Nov 2006
    Location
    Alaska
    Posts
    63

    Default no more bolts for you....

    I would have just welded the plastic......they do wonderful stuff on u tube..
    next batch I am mixing inch bolts with metric nuts and I still have friends at Blanchard

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