参考柴油机3512b新fuel system

1、3500B FUEL SYSTEMFuture Features and Benefits of Series IIEI800B INJECTORSeizuresTip BreakPower VariabilityMisfirePoppet ErosionFuel In OilINJECTOR CHANGES TO ADDRESS FAILURESEI800B CASEHigher Torque LoadHIGHER DUROMETER O-RINGBetter cracking and nibbling resistanceCOATED PLUNGERCoated for better se

2、izure resistanceIncreased StrokeTAPPET SPRINGMaterial Change for increased force HD ACERT CCV TAPPETIncreased Stroke & Better GuidingH10 Modified TIP MATERIALEI800B BODYW/ Screw PlugWHAT CAN YOU DO TO PROTECT YOUR FUEL SYSTEM ?CAVITATION IS PERHAPS THE MOST SIGNIFICANT FAILURE MODE FOR FLUID SYSTEMS

3、PROTECT AGAINST IT BY MAKING SURE THAT YOUR FUEL SYSTEM OPERATING PRESSURES (FUEL SUPPLY PRESSURE IN RAIL) IS ON THE HIGHER SIDE. (600-650 kPa) (90 PSI)WEAR & SCUFFINGFILTRATIONTEMPERATUREVISCOSITY & LUBRICITYWATER CONTENTWEAR & SCUFFINGWEAR & SCUFFING - FILTRATIONUSE 2 & 10 MICRON FILTERS IN SERIES

4、 FOR OPTIMUM EFFICIENCYAVOID AFTERMARKET FILTERS TIME AND AGAIN WE HAVE TESTED CAT FILTERS TO BE MUCH MUCH MORE EFFECTIVEOPERATING BEYOND 15psi FILTER DIFFERENTIAL IS NOT GOOD PRACTICEWEAR & SCUFFING FUEL TEMPERATUREFUEL COOLERS ARE MENDED ESPECIALLY FOR CONTINUOUS & VERY HIGH POWER RATINGSTRY MAINT

5、AIN FUEL RAIL INLET TEMP AS COOL AS POSSIBLE (OPTIMUM WOULD BE 15degC 20degC)WEAR & SCUFFING VISCOSITY & LUBRICITYFUEL QUALITY & TYPE OF FUELWEAR & SCUFFING WATER CONTENTUSE A WATER SEPERATOR, DAY TANK & DRAIN STORAGE TANKS REGULARLYAIR INGESTION IN SYSTEMAIR INGESTION AIR CAN BE INTRODUCED IN THE S

6、YSTEM BYFILTER CHANGESLONG PERIODS OF ENGINE STANDBY (SEVERAL DAYS)SUCTION SIDE OF FUEL TRANSFER PUMP LEAKINGBAD OR MISSING INJECTOR O-RINGS LACK OF PRIMING BEFORE ENGINE STARTUSE THE PUBLICATIONSLEKQ4219 Fuel mendations for Caterpillar Diesel Engines, Engine Data SheetSEBD0717 Diesel Fuels and Your Engine, Special PublicationPEHP8038 CAT Diesel Engine Oils (DEO) (CH-4) (N.A. & selected International), Data SheetPEHP9536 CAT Diesel Engine Oil (DEO) (CH-4) (Int