Bukh dv20 oil capacity. Parts available from stock.
Bukh dv20 oil capacity Oct 20, 2024 · HENGST Oil Filter for BUKH DV Series 10/20/24. 47. At 210kg dry weight the DV 24 is as heavy as a 40bhp marinised tractor engine, partially compensated by the very good torque delivery comparable to a 30bhp tractor engine Jul 22, 2020 · The old Bukh DV20 on our Sadler 29 was 35-years-old, but had been a reliable starter, though a little slow in cold weather. Joined 11 Nov 2009 Messages 737 Visit site. Bukh DV32. Dont use multigrade, and above all dont use synthetic. Bukh DV10M Bukh DV20M Oil Filter. Diesel. Dec 12, 2007 · Bukh DV20 oil filters. The boat was laid up Pour lubricating oil through dipstick hole on the top of reverse- and reduction gear (fig. Joined 22 Feb 2009 I've had Mistroma (with Bukh DV20) for Aug 31, 2021 · DV10/20/24/29/32 Oil Filter 1. 1977: Motorerne DV8 (senere DV10L) og DV18 bliver sendt på markedet. Bukh DV20; Bukh Buy bukh products and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery / Collection on many items This original Bukh oil filter fits the engines below. Fuel lift pump with manual priming 5. Thread starter rex_seadog; Start date 12 Dec 2007; 12 Dec 2007 #1 R. Jul 11, 2004 · The output shaft oil seal is now visible and can be prised out. Joined 28 Oct 2002 Messages 1,644 Location May 3, 2017 · There is an oil pipe with a double banjo fitting on the top front of the engine which carries an oil pressure switch on my Bukh DV20. A Jul 9, 2016 · Even if you thoroughly drain the sump, there is always old oil lurking around various places of the engine, so after an oil change, you don't usually need the full stated capacity of fresh oil. Coopers COO 285 10. After some lengthy discussion on the background history of this problem & discussion of the unusual & impractical method by which Bukh vents the crankcase fumes in this engine we both concluded that it may in fact be "running away The Crosland L10163US marine engine oil filter is suitable for some Bukh engines, including Bukh DV10 and Bukh DV20 marine engines. The Crosland L10163US oil filter element will replace Champion C106/606 & COF100106S elements. Bukh 610J0200 2. The oil level of the reduction gear should be checked every 14 days or every 25 hours of running as described in View and Download Bukh DV10 workshop manual online. It is fully open at 70˚C. 99% certain problem was waterpump seals, these have now been replaced. Capacity of the Fuel Pump. DV 10 M engine pdf manual download. Moteurs Bukh ont une réputation enviable sur les voies navigables . 1974: Motorerne DV36 og DV48 bliver sendt på markedet. Oil and Diesel OK. Sump plug really hard to reach. 1 x Shaft O' Ring - equivalent to Bukh 560F1011; 1 x Glycerine / Lube sachet; See below for guide to Impeller options Bukh DV20 parts Bukh DV24 parts Bukh oil pressure sensor (lamp) 552J0970A. € 26, 16 € 23, 47. I used a compressor with parafin and it took a while. Gør en god handel på DBA i dag! We stock a range of service spares for the Bukh DV10, DV20, DV24, DV36 and DV48 engines. Equivalent to P/N 11-109EB and compatible with pump FAOBR070E0632. bukh g300 hp; bukh g350 hp; bukh h238 hp; bukh h310 Kleinanzeigen: Bukh Dv 20 - Jetzt finden oder inserieren! - kleinanzeigen. Item number: DV20, DV24 Product details Product safety. Same applies to the gearbox (BTW, it's the same oil). Lubricating oil filling plug 2. I had some issues with it a year ago but replaced it and it worked fine until recently. Purolator PC 201 9. Unipart GFE 240 8. Does anyone know the part number of a non-Bukh replacement please or where I might find the thread type details to source the market. Dec 17, 2009 · I rebuilt a DV20 that got water in through a holed liner. At the end of last winter, on a particularly cold but clear spring morning we went to start the engine. Oct 1, 2009 · Unfortunately I've just sheared of the oil pressure switch in my old Bukh DV20. Flexible sterntube: Lubricate the stuffing box with sterntube oil (outboard). Probably water pump seals, but I want to get the oil/water out and It's too thick to pump out of dip stick. Wipac CA 130 5. Bukh 610J0200 2 Description Filter for BUKH Diesel DV10, DV20, DV24, DV36 HENGST Oil Filter for BUKH DV Series 10/20/24 only. Mar 18, 2020 · Back on topic, if an engine sludges out there are 2 main reasons why. BUT - especially if you're using a drain system that sucks sump oil out through the dipstick hole, you'll never get the whole capacity out. Take the valve cover off (2 big nuts on top Bukh DV 20 engine installation on Southerly 95 Apr 24, 2021 · I have just changed my engine from a Bukh DV20 to a DV24. Compression sounds OK. 324 pages publ. I have a bukh dv20 raw water cool with water in the sump. Bukh Oil Filter 610J0050. Valve cover 3. One thing that happened on this engine was that the camshaft gear slipped on its shaft. Fuel filter 6. Bukh 610J0050 2. Bukh DV10 Bukh DV20 Bukh DV29 Bukh DV32 Bukh DV36 Bukh DV48 fuel feed pump 610C0120. In the original 1973 owners manual it says to use a drop of oil in the inlet manifold to May 14, 2013 · The Bukh DV20 is a many splendid thing and I would highly recommend it. Admiral. 16) and check oil level as described in pos. We change the oil and filter as well as the 2 fuel filters a 1. A BUKH does not vibrate due to a well-balanced system of rotating counterweights in the Mar 19, 2020 · It's a Bukh 20DV engine. It nearly fired a couple of times and then on the final attempt, the engine stopped dead with a loud bang. Oil dipstick 3. View and Download Bukh DV 10 M owner's handbook manual online. DV20: n2banshee: Classifieds Archive: 3: 28-05-2012 01:24: Want To Buy: bukh dv20: mikie: Classifieds Archive: 4: 19-12-2011 13:20: Bukh DV20 - Water in Oil: BobbyMck2: Engines and Propulsion Systems: 8: 18-05 I take an oil sample via a ceackle test & change the oil when the emulsified levels are medium, this means I change the oil at approx every 20 running hours. Feb 23, 2009 · Anybody now for the working oil pressure of BUKH dv 20? 23 Feb 2009 #2 Mistroma Well-known member. View and download Bukh dv20 manuals for free. Once started though, she will run all day long. Anyone know the engine oil capacity of a Bukh DV20. Crossland 691 3. Inline Filters Compatible Bukh DV20. In 1974 the gear rim starter replaced the dynastarter in both the DV10 and the DV20 engines. free download. Please check suitability for your exact pump before purchasing. Thanks Oct 19, 2008 · Has anyone retro fitted a water temperature gauge to a Bukh DV20. May 10, 2015 · Motorerne DV10 og DV20 bliver sendt på markedet. SF Schupp SP4370 3. It is not necessary to refill oil if the level is between the two marks on the dipstick. Fly-wheel 4. I have a small pump for removing engine oil through the dip stick tube but the 'gloop' is too thick for this. ) Definitely avoid synthetics, and go for the 'older diesel engines' grade of API 'CF-4'. Motorcraft EFL 84 7. 000 other oil filters. Oil Change. No leaks. 1Mb Download. dk Work shop Manual BUKH diesel engine TYPE DV10/20 009W2228 Page 245 SECTION R ZF GEAR – BW7 009W2229-R01 Page 246: Table Of Contents Dec 10, 2015 · We have had the same problem with our old, very worn (low compression) 1973 Bukh DV20 this uses a dynastarter for starting so has to use the decompresser on the start panel. Her bliver BUKH- motorer og reser-vedele stadig Jan 7, 2008 · Our Bukh DV20 is nearly 30 years old, partly rebuilt in-situ about 12 years ago. The prices I have been quoted for a new Bukh part are eye watering. dk – Internet: www. BUKH 610J0050 - Alternative oil filters There are 319 replacement oil filters for BUKH 610J0050 . After every cruise I would find a puddle of oil underneath the gearbox which led me to believe that the gearbox input oil seal was failing. May 12, 2010 · I have a BUKH DV10 built in 1982. Re: Bukh DV20 - Exhaust Gas from Air Inlet G’day, welcome to the forum. For the Bukh DV20 engine we can offer engine anodes, drive belts, oil filters, fuel filters, pumps and spares. The engines are specially designed to comply with the heavy demands made on stability, safety and environment now. The resultant grey sludge was very hard to shift. If this valve gets clogged, the positive pressure in the crankcase will force oil out of the cankshaft seal. ASAP do more cost effective Faria gauges and senders but can’t tell me if they will work with the alarm. I did have a long running gearbox oil leak issue with it though and I thought I would share the following. It was always slow to pick up, which I believe is common to all Bukh's? But recently, it's taken to draining all of the starter battery, and still not firing up. I don't get a big salt buildup, but I do use the boat a lot. In the original 1973 owners manual it says to use a drop of oil in the inlet manifold to aid cold starting. It starts to open at 60˚C. The oil level of the engine should be checked every 14 days or every 25 hours of running as described in ”Preparation before first start”. Feb 1, 2011 · The oil pressure sender on my DV20 needs replacing. These engines are reliable, long-lasting and not difficult to work on. bukh. Bukh engines are popular in sailing boats and small motor cruisers. neil_s Well-known member. The DV36RME is designed and constructed as a genuine marine engine - it is not a “marinized” industrial engine. The gearbox is particularly vulnerable as the cones will slip with the wrong grade of oil causing expensive damage. View online or download Bukh DV20 Marine Diesel Engine Workshop Manual. Feb 17, 2011 · Hi People. This morning I have split the gearbox off the rest on the motor. Straight SAE 30 seems more widely available. May 7, 2015 · Bukh Dv 20 Cooling and other sailing discussion in the Seabreeze general forums, page 1 My DV20 runs at 55-60c as measured on VDO Black Vision Temp gauge with the Jul 12, 2003 · My Bukh dv20 has developed an oil leak from the aft end of the cylinder head gasket this year. The Bukh DV20 engine is a 2 cylinder water cooled 4-stroke diesel engine. Impeller Bukh DV10 DV20 en DV24 - 610G0102 aantal Impeller Bukh DV10 en DV 20 interkoeling – 610G0121 Maat: 12,7x51x22mm | UPC: G93 | Model: 610G0121 | Artikelnummer: 610G0121 A year and a half ago my old DV20 had a similar leak, which got worse and worse. Now spoken to the Bukh engineer who services the engine, who has given me a few clues to follow up, as well as advising me that on Bukh DV20s, which don't have a large oil capacity (3l), one shouldn't really need to top up the oil at all, let alone every 40 hrs as I've been doing for the last two seasons. Anyone have a contact. Common engine with this boat. If the engine does not smoke, has good compression, doesn't leak oil and sounds OK then I would not be deterred by its age from buying the boat. Title Discontinued model Type DOWNLOAD BUKH DV 24/29/32/36/48 bukh dv32 rme; bukh dv36 rme; bukh dv48 rme; bukh epa28 ; bukh epa36 ; bukh epa48 bukh 175-530hp high speed craft. When i turn ignition on is the Alt & Oil lights meant to illuminate whilst the temp one stays off? As when i turn key on no lights illuminate even although all wires are connected up correct as per the wiring diagram. Can I try from oil filter as I think it's above the oil leave. 1994: Produktionen overtages af Aabenraa Motorfabrik A/S. Feb 11, 2022 · I'm starting this tread to provide a central place for information about Bukh DV20 and DV10 diesel engines. Mann and Hummel W7 12/6 (note there are very many more equivalents to this type) DV36/48 Oil Filter 1. I'm hopeful that I can get the remains of the stud out with a stud extractor but I'm looking for some advise about a replacement unit that I can sort quickly and still get sailing this weekend instead of waiting for parts delivery. Water cooled exhaust manifold 7. Mind you he then wanted to sell me a 5 litre tin at around £35. 15w-40 (for diesels) is generally considered suitable, and has been used for years without problems by some - see this thread Bukh Engine & Gearbox Oil. 0 lit. SVB recommends-31%. I cant find it in the manual!!! Thankyou . All this sensible engineering comes at a price. I agree that there is less salt deposit at 60˚C, but the BUKH DV24 engine oil and filter change; After haul-out: BUKH DV10 BUKH DV20 BUKH DV24 RME BUKH DV29 RME BUKH DV32 RME BUKH DV36 RME BUKH DV48 RME. Parts available from stock. This document provides specifications and instructions for servicing a BUKH DV10/20 diesel engine gear. I have a Bukh DV20, which has recently become a pig to start from cold. This pressure is normally relieved by a small one-way valve under the valve cover. 144. Manuals for Bukh Diesel Engines. 1 No Oil Seal Ring Part No 561B0351 or Pt No 561B0356 ⌀35 1 No Oil Seal Ring Part No 561B0600 or Pt No 561B0602 or PN 000E8532 ⌀60 We have had the same problem with our old, very worn (low compression) 1973 Bukh DV20 this uses a dynastarter for starting so has to use the decompresser on the start panel. Smear the new seals lip with a little grease and a thin layer of permanent jointing paste on the rim and drive home with a suitable drift. 646 Bootstyp Mar 26, 2006 · Over the winter the oil seal at the output shaft on my gearbox (attached to a Bukh DV20 ) has failed, and I have a steady oil leak. Thread starter neil_s; Start date 14 Sep 2024; 14 Sep 2024 #1 N. Fitting of Oil Dip Stick for DV10 and DV20. It is a 33' Canadian Sailboat( CA33). Unscrew the filler plug and oil is poured in until the bearing is full. Boat make and 1. Cooling water pump 2. A replacement Oil Seal Set or Lip Seal Set for Bukh Marine Diesel Engine suitable for DV20 and DV10 ENGINE. Feb 10, 2014 · You don't have to use SAE 30 oil in the Bukh. We supply quality replacement parts to save you ££££'s Oil Filter - Equivalent to Bukh Part Number 610J0050 Bukh DV10, DV20, 32 Oil Filter 610J0050; Oil and filter change intervals should be every 100 hours or annually and a diesel-grade SAE 15W40 oil will suit most climates. 4. 2, pos. The oil level of the reduction gear should be checked every 14 days or Replacement Fuel Line Size on Bukh DV20 Diesel: squarehead: Engines and Propulsion Systems: 8: 28-04-2014 19:11: For Sale: BUKH DV10. 1 x Pump Gasket equivalent to Bukh Part number 610G0103; 2 x Shaft seal - - equivalent to Bukh part number 561B1271 - Brown VITRON to fit at pump end and 1 x Black NITRILE to fit at engine side of pump. Bukh Diesel engine type DV24ME Spart Part List. Jan 11, 2015 · Pour fournir à ce marché particulier , les moteurs doivent être certifiées par les autorités maritimes nationales ainsi que les sociétés de classification . BUKH DV10 and DV20 are single- and two-cylinder water-cooled 4-stroke diesel engines operating on the pre-combustion chamber principle with 2-stage combustion. På DBA kan du købe og sælge alt mellem himmel og jord, uanset pris og størrelse. 2. Your best bet is to take the engine apart or else you wont be able to clean it thoroughly as the oil will have been circulated around. 8 litre; and that of the gearbox approx 1. rex_seadog New member. Joined 30 Jul 2001 Messages 233 Location Sutton OPERATING MANUAL FOR BUKH DV36RME LIFEBOAT ENGINES 009W4326-R19 - 3 - 1. bukh engines are very tough heavy blocks, BUT Apr 14, 2012 · Oil Change Bukh 20 Dv. This makes starting the engine far easier in winter apparently. Bukh DV10 Bukh DV20 DV24 impeller 610G0102 Jan 15, 2008 · I have a leak from the front crank oil seal, I have had the seal out and found quite a nasty groove in the shaft, cleaned up the shaft and popped a new seal on a good few mm short of said groove, there was however some slight pitting which I had hoped yo have missed when the new seal went on. Filter Wrench Feb 8, 2021 · My Bukh DV20 thermostat (its the standard one for that model) is stamped 70˚C. Bukh engine spare parts including: anodes, belts, pumps, fuel filters and oil filters. Customers also bought. I think I would start there. for Mar 24, 2009 · The owners manual for my Bukh DV20 says I need a SAE20 oil or 5w-20w multigrade(for ambient temp between + 5deg to +25deg) Its hard to find. 1 Apr 2010 #2 cimo Member. I drain the oil at the sump (not dip stick) & flush the system with fresh oil to ensure no sodium is carried over. The main problem now is removing the resultant thick grey 'gloop' from the sump. Jul 9, 2004 · The following lists tally, as far as I can see, with the DV20 and DV36 Parts Manuals, some Bukh parts suppliers' websites, DV36/48 Oil Filter 1. Thanks. TJ FB 5311 6. Feb 17, 2004 · SAE30 SAE 30 SAE 30, and nothing else, is what our local agent says, confirmed by the Bukh book. from. Bukh 24me Fresh-Water-Cooling Diagram Needed: bruce in oz: Engines and Propulsion Systems: 3: 08-04-2010 09:54: Bukh DV20 Flushing and Testing: Dagvald: Engines and Propulsion Systems: 2: 07-09-2009 11:44: Bukh temp: boris: Engines and Propulsion Systems: 4: 22-07-2008 01:57: Oil leak in Bukh: Marauder: Engines and Propulsion Systems: 12: 24-01 Med mere end 100 års erfaring er BUKH A/S en af verdens førende OEM producent af marine diesel motorer til lifeboats, fast rescue boats, commercial boats og work boats. 285 pages publ. DV20 . Yes It has a solenoid to stop the engine. 20 is now rare, so I use HD30 for older diesels Bukh Diesel engine type DV10/DV20 Spart Part List. Bukh Oil Filter Jan 24, 2018 · Hi the nominal capacity of the DV20 sump is approx 2. The pressure switch could also leak. Title Discontinued model Type DOWNLOAD BUKH DV 24/29/32/36/48. Bukh Oil Pressure Sender for DV10, DV20 and Feb 2, 2009 · Our DV20 is 27 years old, rebuilt about 10 years ago, starts quickly and runs very well. At Proteum we distribute a portfolio of marine products including OXE Diesel outboards, FNM Marine, Bukh, Moteurs Baudouin, Mason Marine, Alamarin Jet, Konrad propulsion systems and Glendinning engine controls. We are one of the UK's biggest Bukh dealers and now available to order online Bukh engine spares, for the Bukh DV10, DV20, DV24, DV36 and DV48. 1985: Produktionen er nær ved at stoppe, men fortsætter dog. mac88. Jul 16, 2015 · Did an engine service on a DV20, and the owner had been using 20 w 50. Delivered without wiring diagram. 1. KUS Oil Pressure Sensor 0-5 bar / 10-184 ohm Peter Leonard Marine Denton Island BN9 9BA Newhaven East Sussex United Kingdom Call us: 01273 515987 Fax: 01273 513032 Email us: No 009W2228 Aabenraavej 13-17, DK - 6340 Krusaa, Denmark Tel: +45 74 62 20 88 Fax +45 74 62 74 07 E-mail: bukh@bukh. It created all Mar 6, 2003 · " Many thanks to Gil for a mos" Many thanks to Gil for a most informative & interesting discussion this past Sunday on the problem I posted with the DV20 Bukh engine. In the DV10 engine, #89157 and up had a gear rim starter. Also fits a range of Alfa Romeo engines. My 10m Cavalier 32 yacht has a DV20 and I've spend many hours on maintenance issues, one of Bukh DV20 and DV10 diesel engines - Cruisers & Sailing Forums This is a listing of items that have been fitted to DV20 engines throughout production. The engine temp goes down to 65˚C at times depending on engine load and sea water temp. This oil filter fits the BUKH Lifeboat Diesel Engine 36 effective and disciplined horse powers guarantee safe and troublefree sailing. - no date given . It just looks like an oil smear on the engine, but a surprising amount collects in the oil tray after a couple of hours motoring. It is possible to buy a kit from Bukh which is pretty expensive but provides a temperature sender with 2 contacts, one for the over-temperature alarm and one for the gauge. I removed the clutch type housing forward of it at the same time. This sensor is perfectly mounted on my 1985 BUKH DV20 engine. pdf RME capacity 24‒48 liters. Bukh oil pressure sensor (lamp) 552J0970A. Raw sea water has got into the engine oil. Reaktionen 5 Beiträge 1. 13 MB file. However this year had some oil leaks which 1. Les moteurs BUKH ont plus de 22 homologations différentes de diverses autorités , comme mentionné ci-dessus. The Bukh engineer's suggestions Thanks peeps for the advice. Bukh 610J0050 Oil In this video we got through the full prossess of servicing a 1982 BUKH DV-20 diesel yacht motor. This workshop manual provides detailed instructions for the maintenance and repair of BUKH DV 20 ME marine diesel engines. Bryce, CAV, Lucas or equivalent fuel pump element for CAV and Bryce pumps fitted to Bukh DV20 engines. de View online or download Bukh DV10 Marine Diesel Engine Workshop Manual. It had a slight oil leak down the bottom of the back cover. Spare Parts List DV 10 - 20 ME . Aside from the obvious good seamanship of looking after one's engine, I've got a vested interest in keeping this particular engine sweet - I cannot afford to replace it! - but if I did have to then I'd simply go for a new DV24 (same engine, just delivers more power) which would drop in place. Through a simple design the service of the engine is carried out very easily. I suspect over filling can occur due to this, especially as the volume of sump on a Bukh DV20 isn't particularly large. Bukh DV24. It includes gear ratios, oil change procedures, specifications for adjusting tapered roller bearings and disc clutches, lists special tools needed, and provides step-by-step instructions for dismantling and refitting the gear. - no date given. 110. (There are several other previous threads on this very issue. Bukh DV20. 3 copper washers IIRC, one against the head, one between the two banjo's and one under the banjo bolt head. It WAS the front seal, and the 30-year old engine had all sorts of other issues which ultimately required a proper re-build, but in the end I fitted a new Beta 24. Oct 29, 2007 · I have a Bukh 10hp and yesterday I got caught in a squall on port Phillip bay and tried to run her at 2700rpm and could only get 2200rpm and oil, fuel was coming out the exhaust, its like she has no power. Firstly the oil has been used for far too long and secondly, the oil selected did not contain enough detergent additives to keep the sludge in suspension until the oil is changed. Sep 14, 2024 · low oil pressure Bukh DV20. Notice that the starter gear is normally dis-engaged while the motor is running or stopped. Its so far (4yrs ownership) been pretty trouble free, thumpy as Bukhs are, but starts every time and drives the boat well, ie plenty of power for a 27ft long keeler. I told them this was wrong and to use SAE 30 (which is what I had been using) HOWEVER, on speaking to T W Marine whilst ordering bits, discovered that the correct oil is SAE 20. DV10 instructions manual. 247. In the DV20 model, engine #93638 and up had a gear rim starter. Thread starter catalina1; Start date 14 Apr 2012; 14 Apr 2012 #1 We stock a range of service spares for the Bukh DV10, DV20, DV24, DV36 and DV48 engines. You have a stuck valve, the second one aft of the flywheel, if you watch the second video closely, the sloppy pushrod gives the answer, the legacy of a wet exhaust system and entirely avoidable if the exhaust is disconnected at the mixer elbow for winter layup . Aug 31, 2016 · Pretty sure recommended oil in my original Bukh DV20 manual (1982 vintage) says SAE20 CC for both gearbox and engine. Bukh DV10. 009w0817-r04 03-12-2013 betjeningsvejledning for bukh marine dieselmotor type dv24 me bukh a/s aabenraavej 13-17 dk- 6340 krusaa tel: +45 74 62 20 88 See cross reference chart for BUKH 610J0050 and more than 200. Tightening torques and clearance measurements are specified to May 6, 2012 · I have a rebuilt Bukh DV20 I have just bought on ebay. Excessive Consumption of Lubricating Oil. Electric stop solenoid Sep 27, 2009 · Engine - Bukh DV20 (1980). I am using the original control panel. Feb 5, 2021 · For reasons I won’t go into here, the Bukh DV20, by design, creates a positive pressure in the crankcase. pdf. Mar 9, 2017 · Welches Öl sollte ich für einen Bukh DV20 verwenden bzw welches Öl ist das beste? 918-Oil-Change-Bukh-20-Dv. Fram PH 46 4. Thats the advice. I have a workshop manual which is rubbish when it comes to oilseal details. bukh r175; bukh r210; bukh s270; bukh v8p - 300 hp; bukh v8p - 350 hp; bukh v8p - 400 hp; bukh v8p - 450 hp; bukh v8p - 500 hp; bukh v8p - 530 hp bukh 238-700hp heavy duty solas. We also offer a range of services which include global support solutions. Spares are readily available for the DV10 and DV20 but are very expensive. sre kblazo uoivdid rdvo kzjyw aludfdt dju swpail nnc kynv pgaih bczfal jswb qqxr rcio