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ForumindexMaskinforumThe Hymac ClubHymac Technology

Hy-Mac 610 (with problems in the rotation)

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Contraband (trådstartaren)

#1 » 07:07:05, 02-01-2013
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Hi, my name is Matias, I live in Argentina and I have an excavator Hy-Mac 610 with problems in the rotation, I would get the manuals to repair it, could you help me?, Also need to know the pressures that the machine works (rotation and cylinders)

thanks!!

EDIT: my email is contacto@oalonso.com.ar

Here is a video of my old excavator HY-MAC610:

http://www.youtube.com/watch?v=PFwmJTIe ... Rg&index=7

PS: I get a manual for a 580, but it is not enough, do not specify the components of rotation (measures and dimensions), got the manuals from this url: http://www.maskinisten.net/downloads.php?cat=33

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Senast redigerad av Contraband 06:08:32, 18-02-2013, redigerad totalt 2 gånger.
Contraband
Fler än 1 inlägg
 
Blev medlem: 02:14:59, 01-01-2013
Maskintyp: Grävmaskin (hjulburen)
Maskin: Hy-Mac 610

GLIDLAGER - LEDLAGER - BUSSNINGAR - KULLAGER - RULLAGER - TÄTNINGAR - LÄNKHUVUDEN
www.debearings.se


jörgen.ottosson

#2 » 20:23:48, 04-01-2013
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Hi Matias

Nice old excevator. I´m not an expert on Hy-Mac, but I ( or same one else) might have some machinery/troubleshooting experianc that can be applyed on you excevatror. But that takes a bit more information on your problem.

What is the troubel with the rotation?( no power?, slow? only in one direction?) Is the excevator working Ok in your video? ( by Your opinion)

Nice video by the way. :thumme: (that´s always appreciated )

/Jörgen
Deus ex machina
jörgen.ottosson
Fler än 500 inlägg
 
Blev medlem: 22:57:47, 04-01-2009
Sverige
Maskintyp: Grävmaskin (larvburen)
Maskin: sandvik sl-350
liebherr a500s
scania lbs 140
KL 121B

Contraband (trådstartaren)

#3 » 06:01:42, 05-01-2013
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Hi jörgen!

the rotation has no power and is slow in any direction, I think the pieces are worn!, I will follow these next steps:

1 - Check the pressure of the main pumps
2 - Check the pressure of the valves (commands)
3 - Check the pressure of the rotation

In my opinion the excavator is working well (except for the slew)
Contraband
Fler än 1 inlägg
 
Blev medlem: 02:14:59, 01-01-2013
Maskintyp: Grävmaskin (hjulburen)
Maskin: Hy-Mac 610

orwak

#4 » 08:31:01, 05-01-2013
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Hi there!

I have a Hy-mac 580b and there is a seperate pump for rotation and external hyd-func.
It use to be the smallest pump and its located outside the other 2 pumps.
So start with measure the presure after the rotation pump, inspect the pressurefilter after the pump and measure the pressure at the valveblock.

An other parameter is the levers, can you move them corectly? On my 580 the linkage had a lot of corrosionproblem and it resulted to not full move in the valveblock.

After seeing your video I can agree that there must be some problem in your swing function=)
Here is a video at my beuty :driver:
http://www.youtube.com/watch?v=5LHw4hGVAbY
Best regards Orwak
De finns alltid nåt att laga
Användarvisningsbild
orwak
Fler än 500 inlägg
 
Blev medlem: 20:39:38, 10-12-2006
Ort: SödranorraHalland
Sverige
Maskintyp: Grävmaskin (larvburen)

jörgen.ottosson

#5 » 09:56:20, 05-01-2013
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Contraband skrev:....
1 - Check the pressure of the main pumps
2 - Check the pressure of the valves (commands)
3 - Check the pressure of the rotation
....


Hi

That looks like a good start.

I´m not sure if this applyes to Your excevator... But there are usaly a block with to checkvelves/over flow velves, monted to the swing motor. ( to prevent the swing motor to act like a pump, and bild up harmful presure when the rotation is stoped by the operators controles.) These velves may be damaged, or incorectley set. (but it often effects the motion in onley one direction, not both)

Or your pumps may be warn, so that thay gives the right presure, but nearly no flow when loaded. ( this often makes the excevator slower/weker when the oil is warm, stronger/faster when the oil i coled.
Deus ex machina
jörgen.ottosson
Fler än 500 inlägg
 
Blev medlem: 22:57:47, 04-01-2009
Sverige
Maskintyp: Grävmaskin (larvburen)
Maskin: sandvik sl-350
liebherr a500s
scania lbs 140
KL 121B


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