'69 2510 Hydraulic pump chattering/knocking
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Thread: '69 2510 Hydraulic pump chattering/knocking

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    '69 2510 Hydraulic pump chattering/knocking

    Hi all-I'm new to the site and am looking for some advice. I have a '69 2510 that just recently starting making extra noise that seems to be coming from the front hydraulic pump. The noise is constant after start up, but stops while using the loader or while turning the steering wheel. Just drained the hydro fluid to check filter and screen. Both clean and fluid do not seem dirty so I reused it. Any ideas for me to check? Thanks

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    Chattering, knocking noise is usually caused by worn nylon bushings in the pump drive coupler. Check out #4 in diagram. Coupler halves #2 can get worn also. Sometimes the splines on driveshaft #6 can get worn as well as the pump shaft also. Be sure clamp bolts #7 are tight.
    Attached Thumbnails Attached Thumbnails R17884_________UN01JAN94.gif  
    Last edited by jd110; 10-31-2016 at 08:22 PM.
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    Ditto on worn bushings in pump drive coupler.
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    You know your stuff.

    Thanks very much guys. I dismounted my loader last night so I could have a better look at everything this morning. I couldn't see what all the noise was coming from with the loader attached. You were exactly right. The bushings are toast. Clamp and splines look good. Do you guys know the part number for these little guys?
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    Here are the numbers.

    HYDRAULIC PUMP DRIVE AND SUPPORT
    Cart KEY PART NO. PART NAME QTY TRACTOR SERIAL NO. REMARKS
    1 M63440 LOCK NUT 2 XXXXXX - (SUB E50102)
    2 R38348 HALF CLAMP 2
    3 R38347 FITTING 2
    4 R45822 BUSHING 1 (PKG. OF 4) (SUB FOR AR34098 OR AR49427)
    5 R34360 SCREW 2
    6 R38346 SHAFT 1
    7 19H1732 CAP SCREW 2 3/8" X 1-1/4"
    8 19H2706 CAP SCREW 4 5/8" X 2" HS, SAE 8
    9 R54380 DOWEL PIN 2 (SUB FOR T25317 OR R26015)
    10 R38084 SUPPORT 1 (MARKED R38084) (SUB FOR AR38406 OR AR38898)
    Cart KEY PART NO. PART NAME QTY TRACTOR SERIAL NO. REMARKS
    11 ........ WIRE 1 - XXXXXX 304.8MM (12")
    12 R34363 CAP SCREW 2 - XXXXXX (SUB 19H2116 AND E50102)
    19H2116 CAP SCREW 2 XXXXXX - 3/8" X 2-1/2"
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    Thanks again. I decided to dig a little more into the old tractor and fix some more things. Trying to figure out how to adjust the syncro shifter so that it finds the gears a little easier. Need to replace the muffler and start working on fixing some of the wiring. I have been starting it by shorting the starter since I bought it. It think it might be time just to rewire the whole thing to make the switches and lights work properly.
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    If shifter mechanism in dash has any free travel/looseness then start by repairing that 1st.

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    Since you will have the pump coupler apart, check your fan belt too.
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    Quote Originally Posted by Huyett View Post
    Thanks again. I decided to dig a little more into the old tractor and fix some more things. Trying to figure out how to adjust the syncro shifter so that it finds the gears a little easier. Need to replace the muffler and start working on fixing some of the wiring. I have been starting it by shorting the starter since I bought it. It think it might be time just to rewire the whole thing to make the switches and lights work properly.
    If you rewire the whole tractor keep us informed I would like to do that with my 67 1020 gas. are you going to buy a wire harness or make your own? keep us in the loop. thanks
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    How many hours? I am wondering the typical life of these bushings.
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    J
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    Ford F250 4x4 bought new 1978

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