Search found 9 matches

by Rilouben
Tue May 17, 2022 8:44 pm
Forum: Loaders/Backhoes
Topic: Hymac hydraulic filters
Replies: 3
Views: 1285
Flag: France

Re: Hymac hydraulic filters

Thank you guys for your advice!
Regards.
by Rilouben
Mon May 16, 2022 7:46 pm
Forum: Loaders/Backhoes
Topic: Hymac hydraulic filters
Replies: 3
Views: 1285
Flag: France

Hymac hydraulic filters

Hello, i would like to change the two hydraulic filters that are near thé hydraulic pump at thé front of thé engine. If i buy genuine hymac parts it would cost me more than 100€ . IS there among you guys someone who knows Donaldson or hi fi reference that would fit my hymac 370c without costing me a...
by Rilouben
Mon May 02, 2022 7:40 pm
Forum: Loaders/Backhoes
Topic: Hymac 370 Backhoe valve Block issues
Replies: 13
Views: 3256
Flag: France

Re: Hymac 370 Backhoe valve Block issues

Hello, i know them ans i sent may mails but non answers?
I will try again. Thanks you.
by Rilouben
Mon May 02, 2022 5:47 pm
Forum: Loaders/Backhoes
Topic: Hymac 370 Backhoe valve Block issues
Replies: 13
Views: 3256
Flag: France

Re: Hymac 370 Backhoe valve Block issues

Hello i think like you that the problem is linked with the way the oil should fond its passage. If changing the hose won't resolve the problem, i will have to check the Mrv valve that are working on the actionner of the valve block. Wether a pollution IS restricting the action of the valve Spring or...
by Rilouben
Mon May 02, 2022 7:26 am
Forum: Loaders/Backhoes
Topic: Hymac 370 Backhoe valve Block issues
Replies: 13
Views: 3256
Flag: France

Re: Hymac 370 Backhoe valve Block issues

Hello, i have already swapped thé hoses when i changed the seals ans thé pin of thé ram. In fact it was a mistake from.me. thé ram did thé same but in reverse?
Regards
by Rilouben
Sun May 01, 2022 9:56 pm
Forum: Loaders/Backhoes
Topic: Hymac 370 Backhoe valve Block issues
Replies: 13
Views: 3256
Flag: France

Re: Hymac 370 Backhoe valve Block issues

Hello. One of the two hoses has been changed a few years ago. I will try to dismantle the other one. But which method should i use to check if nothing IS wrong in it without changing it?
Thanks for your help .
Regards
by Rilouben
Sun May 01, 2022 2:49 pm
Forum: Loaders/Backhoes
Topic: Hymac 370 Backhoe valve Block issues
Replies: 13
Views: 3256
Flag: France

Re: Hymac 370 Backhoe valve Block issues

Hello, here IS a video if my backhoe troubleshooting. First i use fully thé controls and you Can Heart the engine RPM going down as well as this airy sound.. secondly i gently use thé controls, you Can see that the ram moves slowly but thé engine is not thriving. Thirdly (full use or thé controls) t...
by Rilouben
Fri Apr 29, 2022 11:26 pm
Forum: Loaders/Backhoes
Topic: Hymac 370 Backhoe valve Block issues
Replies: 13
Views: 3256
Flag: France

Re: Hymac 370 Backhoe valve Block issues

Hello, All the oil levels are correct. So as the filters that have been changed for less than 1000 hours of work. Maybe that i should check the succion filter since i have worked in Moving earth ans diet and dust could have penetrated the oil tank. But i dont think it would résolve m'y problem. I ha...
by Rilouben
Fri Apr 29, 2022 2:46 pm
Forum: Loaders/Backhoes
Topic: Hymac 370 Backhoe valve Block issues
Replies: 13
Views: 3256
Flag: France

Hymac 370 Backhoe valve Block issues

Hello everyone. I've been for 10years now th owner of a 370 hymac 370c. I have soume issues with the valve block of the backhoe. Bucket dipper lifter. The valve of the dipper ( that one in thé middle) is faulty. It makes the engine near collapsing with a huge airy noise. I have check Many oRings but...

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