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Hymac Excavators

Last post by Jeremy Rowland « Sat Jun 15, 2019 7:35 pm
Replies: 1100
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by Nick Drew » Mon Jun 18, 2007 10:38 pm

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Its no secret that I am quite passionate about Hymacs, as they were some of the first 360 degree excavators that I operated.

Please post any photos...

Last post

Nice photo IBH :thumbup: a 580BT :thumbup:

Jeremy
1100 Replies

126828 Views

Last post by Jeremy Rowland View the latest post
Sat Jun 15, 2019 7:35 pm
Gopher Boss or 5 Star Owners?

Last post by Diggerpete1961 « Wed Jun 12, 2019 11:27 pm

by Diggerpete1961 » Wed Jun 12, 2019 11:27 pm

By any chance does anyone on here own a Gopher Boss or 5 Star 180 Degree small towable machine. I have one to restore but need measurements of the...

0 Replies

45 Views

Last post by Diggerpete1961 View the latest post
Wed Jun 12, 2019 11:27 pm
Hymac 580C slew motor seals

Last post by strontium90 « Sat Jun 08, 2019 2:15 pm
Replies: 12
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by strontium90 » Mon May 27, 2019 4:42 pm

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Hi...as I've previously posted, my Hymac is very sloppy on the slew..she tends to creep to the right, when I am on a hill although turning to the...

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The fact that there are two types of motor doesn't surprise me...it was the same with the cross-line relief valve..I may try to do it at some stage...
12 Replies

1823 Views

Last post by strontium90 View the latest post
Sat Jun 08, 2019 2:15 pm
Poclain 75 CKB

Last post by Jeremy Rowland « Sun Jun 02, 2019 4:57 pm
Replies: 58
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by Jeremy Rowland » Fri Feb 16, 2018 10:44 pm

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Oops I went and did it again :doh: yep I got another machine to restore and mess about with I must be mad! Okay so this does not mean that the work...

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Yesterday I took my friend Helena and her three kids to Whitby for the day :thumbup: on the way back I went via Andrew's farm as I had promised the...
58 Replies

21068 Views

Last post by Jeremy Rowland View the latest post
Sun Jun 02, 2019 4:57 pm
Hymac 580BT 1969

Last post by Jeremy Rowland « Sun Jun 02, 2019 4:39 pm
Replies: 119
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by Jeremy Rowland » Fri Oct 23, 2015 9:13 pm

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This one is mine! Of course I am an avid Hymac fan and always have been, so buying my own machine to preserve has always been on the 'wish list' so...

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While I have not been up to any of my machines to carry out any work on them I have been trying to source parts and get bits patched up for the...
119 Replies

31870 Views

Last post by Jeremy Rowland View the latest post
Sun Jun 02, 2019 4:39 pm
New owner of Hymac 580B

Last post by Jeremy Rowland « Mon May 27, 2019 4:34 pm
Replies: 94
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by Andy80 » Thu Nov 09, 2017 7:22 pm

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Hi! I´m from sweden so excuse for my bad english. For a couple of weeks i became an owner of a Hymac 580 B Year 1968. Because I'm quite new to...

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Andy it's great to see you getting some use out of your machine after all the work that you have done on her :thumbup: this proves there is nothing...
94 Replies

28272 Views

Last post by Jeremy Rowland View the latest post
Mon May 27, 2019 4:34 pm
Hitachi FH150-3

Last post by Jeremy Rowland « Tue Apr 30, 2019 10:20 pm
Replies: 2
by agrimax » Sun Apr 28, 2019 11:42 am

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This old girl has decided to track on her own accord. When operating other functions and not touching the track levers (which have became sticky but...

Last post

Fixed. A button was partially stuck down on the track servo unit. Simple enough to sort in the end.

Glad you sorted it without too much aggro...

2 Replies

1426 Views

Last post by Jeremy Rowland View the latest post
Tue Apr 30, 2019 10:20 pm
Hymac 580c idler bushings and seals

Last post by Canada Hymac 570c « Tue Apr 23, 2019 5:45 am
Replies: 17
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by Canada Hymac 570c » Mon Jan 21, 2019 7:07 am

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Hello all. I am a new owner of a hymac 580c and I am looking for help to locate replacement parts for one idler wheel that has lost its bushings and...

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Hey Jeremy. It was the outside filter housing that was stuck on. I gave it another go and managed to get it apart with a little more effort. Got the...
17 Replies

4617 Views

Last post by Canada Hymac 570c View the latest post
Tue Apr 23, 2019 5:45 am
JCB 3C back hoe

Last post by agrimax « Tue Apr 09, 2019 11:28 pm
Replies: 1
by percyhenry » Tue Apr 09, 2019 12:42 pm

First post

9/4/2019
Hi please can anyone help with some info,
i was using my 1970 JCB 3C to pull out some trees with the back Hoe, afterwards it wont slew from...

Last post

I'd say the splines on the king post pinion which in turn mesh with the king post itself are worn out.

You'll see the splines at the top of pt no.5...

1 Replies

475 Views

Last post by agrimax View the latest post
Tue Apr 09, 2019 11:28 pm
Need help identifying mini excavator

Last post by JLR « Sun Apr 07, 2019 1:07 am
Replies: 1
by JLR » Sat Apr 06, 2019 11:09 pm

First post

Hello, I just bought this mini excavator and I don’t now the brand. It has a Isuzu 2aa1 -551520.
The only number I have found, is on the right front...

Last post

More pictures

1 Replies

603 Views

Last post by JLR View the latest post
Sun Apr 07, 2019 1:07 am
Jcb 3c mk2 no steering any info much appreciated

Last post by topkit « Sat Apr 06, 2019 12:04 am
Replies: 1
by Liam3030 » Tue Mar 19, 2019 1:39 am

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Hi everyone, if any one can point me in the right direction as to what to check next. I've a jcb 3c 11, I only bought the machine a few weeks ago. It...

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On 3C and 3D mk2 & 3 it's usually the orbital steering valve that packs up and leaks, I would contact Simon Vicary just google Vicary JCB and his...

1 Replies

705 Views

Last post by topkit View the latest post
Sat Apr 06, 2019 12:04 am
Wiring problem on Hymac 580 C

Last post by strontium90 « Thu Mar 07, 2019 11:09 am
Replies: 6
by strontium90 » Wed Jan 25, 2017 5:42 pm

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I wonder if anyone could advise me...Our Hymac starts ok but none of the gauges work (temp fuel etc)...I have removed the control panel and it looks...

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It has taken me a while to get round to this, but as I am recovering from an operation, I.ve had some time to get on with it...I will update how I...

6 Replies

1224 Views

Last post by strontium90 View the latest post
Thu Mar 07, 2019 11:09 am
Jcb 3c 11

Last post by Liam3030 « Tue Feb 12, 2019 4:45 pm
Replies: 3
by Liam3030 » Mon Feb 11, 2019 10:13 pm

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Hi all, I recently bought an old 3c 11 jcb... That needs a good bit of work done to it.. It was parked up the last 20 years or so... I got it home...

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Hi thanks for the welcome. Yes it's connected to the bottom of the tank.. When I remove the hose no fluid came out of the spout... Theres a 1 way...

3 Replies

641 Views

Last post by Liam3030 View the latest post
Tue Feb 12, 2019 4:45 pm
1991 JCB 3CX Grey Cab SiteMaster rev counter

Last post by Cman « Sun Feb 10, 2019 10:23 am

by Cman » Sun Feb 10, 2019 10:23 am

How does the Rev counter work on this machine? Mine doesn’t. I think it is run from the alternator but am not sure which wires. Similarly not sure...

0 Replies

316 Views

Last post by Cman View the latest post
Sun Feb 10, 2019 10:23 am
Hymac 580 C Cross-Line Relief Valve Adjustment

Last post by strontium90 « Sat Jan 26, 2019 1:19 pm
Replies: 14
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by strontium90 » Sun Jan 20, 2019 11:05 am

First post

I'm looking a bit of advice.
My Hymac has had a problem since I got her..

When the machine is sitting with the boom and bucket lifted or you are...

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Thanks a lot Fred...I have tested her this morning although on level ground and the slew function is much improved....she stops where I want her to...
14 Replies

3569 Views

Last post by strontium90 View the latest post
Sat Jan 26, 2019 1:19 pm
Total novice just bought a JCB 5C - help!

Last post by essexpete « Sat Jan 19, 2019 11:45 pm
Replies: 10
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by motornoter » Fri Jan 18, 2019 12:13 am

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Hi all, I've always been a fan of old machines and have run classic cars for 35 years but this is a first - I only just moved to a house with enough...

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As Julian has said plus check/change oils in track drives and slew gear box. What would be interesting to find out: are any components like drives,...
10 Replies

1292 Views

Last post by essexpete View the latest post
Sat Jan 19, 2019 11:45 pm
Hymac 580 C Transmission Help

Last post by strontium90 « Sat Jan 12, 2019 7:11 pm
Replies: 13
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by strontium90 » Wed Dec 05, 2018 9:31 am

First post

I need some advice...I heard a lot of noise from the transmission on our Hymac 580 C.
After removing the track and drive chain I found the bearing,...

Last post

Ok....bearings in, transfer shaft and output gear replaced....chain on....everything seems ok....Just to clean transmission and put lids on before...
13 Replies

6771 Views

Last post by strontium90 View the latest post
Sat Jan 12, 2019 7:11 pm
Controlling engine speed manually?

Last post by Randell « Thu Nov 15, 2018 11:39 am
Replies: 1
by corksil » Thu Nov 09, 2017 6:57 pm

First post

Hey, I had an issue with the throttle controller on my zx35u hitachi. To make a long story short, it broke and I'm still figuring out how to fix it....

Last post

Sounds like a servo. You could try replacing motor with a metal 9g servo motor and attach it to the throttle cable. Use a servo tester potentiometer...

1 Replies

1743 Views

Last post by Randell View the latest post
Thu Nov 15, 2018 11:39 am
Volvo EC25

Last post by Randell « Thu Nov 15, 2018 6:13 am
Replies: 2
by Havenlea-trees » Mon Aug 27, 2018 9:49 am

First post

Hi

I’m struggling to find out why my machines shuts down totally after 1-2 hours work. I then turn the ignition and nothing for a few minutes until...

Last post

Replaced the battery/given it a good charge?

2 Replies

1057 Views

Last post by Randell View the latest post
Thu Nov 15, 2018 6:13 am
Kubota KX38?

Last post by Randell « Tue Nov 13, 2018 12:13 am

by Randell » Tue Nov 13, 2018 12:13 am

Hi all,
A friend has got me to look at his Kubota kx38 digger. Unfortunately I can't find anything related to a kx38 on the internet. It's been...

0 Replies

661 Views

Last post by Randell View the latest post
Tue Nov 13, 2018 12:13 am
3CX Hydraclamps - sideshift stuck !!

Last post by le.maisonniau « Tue Oct 16, 2018 5:51 pm
Replies: 2
by le.maisonniau » Thu Sep 27, 2018 8:37 pm

First post

Hi Guys,
I am fortunate to be helping a mate out (over here in France) with an old Sitemaster 3CX.
He picked it up for a song, so am a bit jealous...

Last post

Hi Topkit, just spotted your reply. (need to check my settings)
Must admit I haven't tried taking all the weight off with boom straight out, sounds...

2 Replies

3596 Views

Last post by le.maisonniau View the latest post
Tue Oct 16, 2018 5:51 pm
Old Excavators at work.

Last post by topkit « Sun Oct 07, 2018 10:28 pm
Replies: 6
by FOWLER MAN » Wed Sep 19, 2018 5:59 pm

First post

Here are a few pics I took over the weekend.

Last post

Superb pictures there Fred thank you for sharing them, i would love to make it up there sometime, its a fair old drive from Kent, but i will make the...

6 Replies

1781 Views

Last post by topkit View the latest post
Sun Oct 07, 2018 10:28 pm
JCB mini digger/excavator Engine Mounts

Last post by essexpete « Fri Sep 14, 2018 11:00 pm
Replies: 7
by sparkapuss » Sat Aug 11, 2018 10:12 am

First post

I have a JCB 8014 2005 model with a very low 600 hours on the clock, some time back I noticed a red sticky gunge which appeared to be some sort of...

Last post

Thanks Holger and no I had not seen it.
Regards Peter

7 Replies

1554 Views

Last post by essexpete View the latest post
Fri Sep 14, 2018 11:00 pm
Cat 385C STC Triple Beelen

Last post by TUHD « Sun Aug 19, 2018 10:22 am
Replies: 4
by TUHD » Wed Dec 12, 2012 7:29 pm

First post

Cat 385C STC triple from Beelen Sloopwerken. Machine is modified by STC ( )

Last post

Demolition of a building with the triple boom and 12 tons Mantovanibenne/Dehaco CR 100R concrete shear with an opening of 2 meter.

HWMNGmwb4zw

4 Replies

1895 Views

Last post by TUHD View the latest post
Sun Aug 19, 2018 10:22 am
Poclain TX50P?

Last post by FOWLER MAN « Sat Aug 11, 2018 9:48 pm
Replies: 8
by Holger » Fri Aug 10, 2018 9:16 am

First post

Hi there,

a member over at Maskinisten is looking for infos on Poclain TX50P 1974.
I cannot find ANYTHING on the net about that machine. Does it...

Last post

Hi,
One more TX picture.

8 Replies

2062 Views

Last post by FOWLER MAN View the latest post
Sat Aug 11, 2018 9:48 pm

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