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by mickdoc6238
Tue Jul 11, 2017 1:50 pm
Forum: Dumpers
Topic: Lucas Cav Pump Help needed.
Replies: 12
Views: 12686
Flag: France

Re: Lucas Cav Pump Help needed.

Hi Again Guys It's been a while but just jumped back on Trying to get my Cav pump sorted out on my dumper and today took it off the engine and is now sitting on my workbench. My plan was to send it away to get overhauled but before spending £250 getting a reconditioned one does anyone know how I cou...
by mickdoc6238
Mon Feb 06, 2017 6:12 pm
Forum: Dumpers
Topic: Benford 1999 5 ton Dumper Cav pump problem
Replies: 18
Views: 11014
Flag: France

Re: Benford 1999 5 ton Dumper Cav pump problem

Maybe before you mess with the pump, rig up a temporary tank. Then you're not relying on the lift pump Just whipped off the Lift pump and hoping that the end should not look like this and I have found my problem What do you recon is the 45° angle wear and should it be square ? http://www.classicmac...
by mickdoc6238
Sat Jan 28, 2017 11:04 am
Forum: Dumpers
Topic: Benford 1999 5 ton Dumper Cav pump problem
Replies: 18
Views: 11014
Flag: France

Re: Benford 1999 5 ton Dumper Cav pump problem

Thank you guys..... Looks like I will switch my attention back to the Cav pump again. Maybe by pass the lift pump with a temp tank before like DiggerJones suggests just to rule out any problems with it to be sure. Any other ideas thrown into the pot would be very welcome if not already tried Thanks ...
by mickdoc6238
Fri Jan 27, 2017 4:29 pm
Forum: Dumpers
Topic: Benford 1999 5 ton Dumper Cav pump problem
Replies: 18
Views: 11014
Flag: France

Re: Benford 1999 5 ton Dumper Cav pump problem

Mike I cannot see any wear on that? I assume you are talking about the drive lever? You would see wear on it if it was knackered, does the lever move the diaphragm up an down okay and is the cam lobe okay that works the lever? Jeremy Hi Jeremy I was looking on ebay for a new one and and the new one...
by mickdoc6238
Fri Jan 27, 2017 2:14 pm
Forum: Dumpers
Topic: Benford 1999 5 ton Dumper Cav pump problem
Replies: 18
Views: 11014
Flag: France

Re: Benford 1999 5 ton Dumper Cav pump problem

Maybe before you mess with the pump, rig up a temporary tank. Then you're not relying on the lift pump Just whipped off the Lift pump and hoping that the end should not look like this and I have found my problem What do you recon is the 45° angle wear and should it be square ? http://www.classicmac...
by mickdoc6238
Thu Jan 26, 2017 10:46 am
Forum: Dumpers
Topic: Benford 1999 5 ton Dumper Cav pump problem
Replies: 18
Views: 11014
Flag: France

Re: Benford 1999 5 ton Dumper Cav pump problem

Hi All I recently posted a question on the Dumper forum concerning the cold start on the Benford but after 2 days trying to get the Dumper started have found that no Diesel is getting to the injectors and this is the problem and not the cold start. Thinking I had a starvation of fuel I have taken t...
by mickdoc6238
Wed Jan 25, 2017 9:30 pm
Forum: Dumpers
Topic: Lucas Cav Pump Help needed.
Replies: 12
Views: 12686
Flag: France

Re: Lucas Cav Pump Help needed.

Yes Tom,Engine number is U855175C.
I am a really new to messing about with Diesel engines and it sends chills down my spine when I hear ''timing''.....hope you could walk me though this .
by mickdoc6238
Wed Jan 25, 2017 7:34 pm
Forum: Dumpers
Topic: Lucas Cav Pump Help needed.
Replies: 12
Views: 12686
Flag: France

Re: Lucas Cav Pump Help needed.

hi you need to take of water pump ,and behind it there is a nut u have to take off ,you might need a puller for gear but i usually top it with a hammer .good luck Thank you Tom Just removed the water Pump and a Cover.....is tis the Nut you mention.It's a 22mm. I have not tried yet to remove the Cav...
by mickdoc6238
Tue Jan 24, 2017 8:13 pm
Forum: Dumpers
Topic: Lucas Cav Pump Help needed.
Replies: 12
Views: 12686
Flag: France

Re: Lucas Cav Pump Help needed.

Hi, You have a pump with the regulating adjustment for the transfer pump pressure, (see below). I can't think why you shouldn't be able to withdraw the pump unless it's the type with a tapered shaft keyed and bolted to the timing gear instead of the quill shaft. I know some Ford engines were fitted...
by mickdoc6238
Tue Jan 24, 2017 2:12 pm
Forum: Dumpers
Topic: Lucas Cav Pump Help needed.
Replies: 12
Views: 12686
Flag: France

Re: Lucas Cav Pump Help needed.

Hi, this may help. Fred Thanks Fred but this Pump is slightly different.That really did help with the JCB but (I think its called ) a sleeve guide plug (4) has a long treaded allen key bolt on one side but I am sure it fits in the Spring,it's just I do no understand why and thought I may have got t...

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