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HPS
Primary telephone number:
01342327300
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I'VE OWNED THE COMPANY FOR NEARLY 30 YEARS, AND AM HANDS ON IN THE OFFICE ANSWERING ALL QUERIES FOPR PARTS.
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Other
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Comments
Would you believe it - it was as simple as a fuse.
When I replaced the fuel filter I coupled the new wire to the old wiring using spade connectors. The spades are not covered and the bare metal was resting against the case of the fuel filter.
It took me a while (and three fuses) to realise what was happening but now it's done:)
This might be too simple - and I'm going to go down and check this within the hour. The safety switch is served by a fuse and it's simply blown?
BTW...when answering comments, click the 'comment back; link otherwise your reply appears on your profile wall and not mine and I might not necessarily know you've replied.
There is a possibility that either of these scenarios is plausible, but I wouldn't have though either would cause a sudden stoppage, unless there is an electrical sensor to stop the hydraulics when oil low or filter blocked, and I don't believe there is. I'd agree that these could be an issue, except for the sudden stoppage.
I'll do as you suggest Graham but before I do, can I run these two theories passed you?
I spoke to the chap I bought the machine from today and he suggested that the primary and secondary hydraulic filters might be old and blocked and he said that in this scenario, the most important hydraulics will fail first.
It's also crossed my mind that the hydraulic oil might be low...could the hydraulic failure be a safety feature of the cause of yje problem?
Sounds odd.
Sudden stoppage would usually indicate pump failure, or pump drive failure, but you still have some hydraulic services working.
If electrical most probably the isolator switch, but again this would usually stop all services?
Have you checked fuses? Maybe some have blown? If the levers operate electical solenoids this could be the cause.
Are you sure both tracks are still working, or is one maybe free-wheeling. The way most hydraulic pumps are configured, I could attribute your problem to partial pump failure, if one track was working, but not if both.
Info is sketchy on this machine as out of production for a long time.
You need to locate the electrical isolator, and temporarily bypass it, or test it.
If this doesn't cure it, you need a hydraulic pressure/flow check, or you need to swap pipes to see if the problem migrates. i.e, the blade seems to be working, so test the system, by swapping the pipes, so that the blade lever, now operates the boom or dipper or bucket. Does this move the problem?
Graham
Hi Graham
It stopped all of a sudden. I'd fitted the fuel pump and used the machine for 30 minutes with no apparent problems.
Hello Graham
Welcome to the network. Thanks for joining.
I put the pump on, no problems and it works brilliant. used the digger for 30 minutes and there's either been a hydraulic failure or a safety switch has failed.
I Can use the grading blade and the tracks work fine but I cannot use the digger at all..any thoughts?
Kind regards
Phil Voice