Search found 56 matches

by cossyrec
Thu Aug 23, 2018 11:48 pm
Forum: DBTC Forum
Topic: Soluble oil as coolant
Replies: 16
Views: 2618

Re: Soluble oil as coolant

second go at this post. many years ago we bought a S/H Scania 110 super from Sweden when the changed from RHD to LHD it was mint. we converted it to a recovery vehicle gave it a service and painted it. within weeks all the paint on engine and gear box started blowing of anywhere dissimilar metals to...
by cossyrec
Tue Aug 21, 2018 6:17 pm
Forum: DBTC Forum
Topic: hydraulic david brown
Replies: 25
Views: 3441

Re: hydraulic david brown

Believe 7/8 UNF to 3/8 BSP.
by cossyrec
Sun Aug 19, 2018 9:49 pm
Forum: DBTC Forum
Topic: hydraulic david brown
Replies: 25
Views: 3441

Re: hydraulic david brown

https://www.flowfitonline.com/hydraulic ... ge=24,1664

other suppliers available Italy seems to have the market sown up same as France has the market cornered For Rams
by cossyrec
Sun Aug 19, 2018 9:12 pm
Forum: DBTC Forum
Topic: hydraulic david brown
Replies: 25
Views: 3441

Re: hydraulic david brown

I used a simple cheap 4 bank double acting spool of eBay. for single functions eg link arms/ loader I put blanking plug in unused port. If it offends simply pipe port into return.
by cossyrec
Sun Aug 19, 2018 12:11 pm
Forum: DBTC Forum
Topic: hydraulic david brown
Replies: 25
Views: 3441

Re: hydraulic david brown

on the example I have given the internal valve chest was beyond repair. Hence I needed a cost effective way of getting more years use out of vehicle. the first spool in the bank is piped into the three way valve and works the lift arms + two external single acting functions as per standard. The firs...
by cossyrec
Fri Aug 17, 2018 11:27 pm
Forum: DBTC Forum
Topic: Anyone replaced/simplified Selectamatic hydraulics?
Replies: 62
Views: 13804

Re: Anyone replaced/simplified Selectamatic hydraulics?

guess its up to 880aubrey which way he goes. For myself I wanted a useable piece of kit that would work for quite a number of years with out a big expense but have saved all the parts so if any future custodian wants to restore to original has the option
by cossyrec
Fri Aug 17, 2018 10:46 am
Forum: DBTC Forum
Topic: hydraulic david brown
Replies: 25
Views: 3441

Re: hydraulic david brown

by cossyrec
Sat Jul 07, 2018 6:12 pm
Forum: DBTC Forum
Topic: Anyone replaced/simplified Selectamatic hydraulics?
Replies: 62
Views: 13804

Re: Anyone replaced/simplified Selectamatic hydraulics?

my wrong I forgot to suggest putting four washers/spacers under plate . but you will agree I had it in mind when I suggested sealing gap around plate with thick gasket or sealer to prevent ingress of muck I suggested the unions as a means of connection with out having to have any machining ability
by cossyrec
Fri Jul 06, 2018 10:17 pm
Forum: DBTC Forum
Topic: Anyone replaced/simplified Selectamatic hydraulics?
Replies: 62
Views: 13804

Re: Anyone replaced/simplified Selectamatic hydraulics?

alternatively you might be able something like this to suit the three pipe stubs https://hydraulicmegastore.com/product/ ... -coupling/
by cossyrec
Fri Jul 06, 2018 12:11 am
Forum: DBTC Forum
Topic: Anyone replaced/simplified Selectamatic hydraulics?
Replies: 62
Views: 13804

Re: Anyone replaced/simplified Selectamatic hydraulics?

to be fair removing the Cessna valve creates room to fit spool valves
by cossyrec
Thu Jul 05, 2018 11:04 am
Forum: DBTC Forum
Topic: Anyone replaced/simplified Selectamatic hydraulics?
Replies: 62
Views: 13804

Re: Anyone replaced/simplified Selectamatic hydraulics?

basically three bushes bored same dia as holes in Cessna valve other end tapped 3/8 bsp or a union welded on assemble plate on to tractor then push bushes over pipes hold square and tack weld in to plate. welds not critical as pipes seal in side bushes not on mounting face. when every thing has been...
by cossyrec
Thu Jul 05, 2018 10:20 am
Forum: DBTC Forum
Topic: Anyone replaced/simplified Selectamatic hydraulics?
Replies: 62
Views: 13804

Re: Anyone replaced/simplified Selectamatic hydraulics?

db bodge plate.JPG
db bodge plate.JPG (66.97 KiB) Viewed 2242 times
by cossyrec
Sun Jul 01, 2018 3:55 pm
Forum: DBTC Forum
Topic: Anyone replaced/simplified Selectamatic hydraulics?
Replies: 62
Views: 13804

Re: Anyone replaced/simplified Selectamatic hydraulics?

if you read post it says 400 psi on one port less on the other I know this is low I would have thought if pump or main relief would have been same on both ports
by cossyrec
Sun Jul 01, 2018 12:38 am
Forum: DBTC Forum
Topic: Anyone replaced/simplified Selectamatic hydraulics?
Replies: 62
Views: 13804

Re: Anyone replaced/simplified Selectamatic hydraulics?

so if you have full pressure to Cessna valve it is impossible for it to leak via o rings on spool to leak back to return and onwards to transmission lubrication pipe ? eg fault in Cessna valve or as you are suggesting Cessna valve is bullet proof and cannot go wrong
by cossyrec
Fri Jun 29, 2018 10:24 pm
Forum: DBTC Forum
Topic: Anyone replaced/simplified Selectamatic hydraulics?
Replies: 62
Views: 13804

Re: Anyone replaced/simplified Selectamatic hydraulics?

Reason I suggest removing Cessna valve is to rule out internal leaks to return pipe plus it could be put up for sale if required iam working on putting on sketches but struggling please bear with me