Doosan 12/56 Скачать руководство пользователя страница 25 | Manualshive

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10/12/2010

25

Company Confidential

AUTO BLOWDOWN (7/20)

Pilot Line

Company Confidential

AUTO BLOWDOWN VALVE

Company Confidential

AUTO BLOWDOWN (7/26E

– 7/51)

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Содержание 12/56

Страница 1: ...fm 7 41 P135 7 bar 100 PSI 4 0 m3 min 140 cfm 7 51 XP185 7 bar 100 PSI 5 0 m3 min 175 cfm 7 71 P260 7 bar 100 PSI 7 1 m3 min 250 cfm 12 56 12 bar 170 PSI 5 6 m3 min 200 cfm Company Confidential SUMMAR...

Страница 2: ...RH8N 4IRH8N 4IRI8N Model 3TNV82A 3TNV88 4TNV88 4TNV98 Cylinders 3 3 4 4 Displacement 1 3 1 6 2 2 3 3 Rated Output kW RPM 21 1 2800 25 8 2800 34 8 280 0 49 7 240 0 Aspiration Naturally aspirated Fuel P...

Страница 3: ...t 3 3 Rated Output kW RPM 59 2 2300 Aspiration Turbocharged Fuel Pump Mono plunger mechanical pump Emissions Tier III certified Electrics 12 Volts Company Confidential Eco Governor is Yanmar unique el...

Страница 4: ...ntake Exhaust ECU Speed Load Temp ECU EGR Valve Piston Inj Nozzle EGR Valve Combustion temperature is reduced NOx Reduced Exhaust Gas Re Circulation Speed Load Temp ENGINE Tier 3 Improvements YANMAR E...

Страница 5: ...High pressure gallery Low pressure gallery orifice Water separator 12 48 Engine coolant Thermo element Engine oil Cam Trochoid pump ENGINE Tier 3 Improvements YANMAR ECO Company Confidential ENGINE Ti...

Страница 6: ...only formerly used on 7 21 and 7 26 Cast iron body Company Confidential AIREND 7 20 Now used on 7 20 only Formerly used on 7 21 and 7 26 Company Confidential AIREND 7 26E 7 51 85 mm Airend Different g...

Страница 7: ...dential COMPRESSOR OIL SYSTEM Functions of the oil system Lubricating the rotors airend bearings and mechanical seals Sealing the clearances between the airend rotors Cooling of the airend Heat is gen...

Страница 8: ...COOLING The Separator tank is also the reservoir of compressor oil Pressure in the tank is forcing the oil through the system Company Confidential LUBRICATION COOLING Cool box design with pusher type...

Страница 9: ...any Confidential LUBRICATION COOLING Compressor oil filter 10 micron rating Company Confidential LUBRICATION COOLING 7 26E 7 51 Company Confidential LUBRICATION COOLING 7 26E 7 51 Oil filter head inte...

Страница 10: ...10 12 2010 10 Company Confidential LUBRICATION COOLING 7 71 12 56 Company Confidential LUBRICATION COOLING 7 71 12 56 Company Confidential LUBRICATION COOLING 7 71 12 56...

Страница 11: ...nfidential AIR REGULATION SYSTEM The air regulation system continuously adjusts the production of compressed air to the consumption by controlling the engine speed and unloader valve The unloader and...

Страница 12: ...Confidential AIR FLOW REGULATION 7 20 Start up Service valve closed Company Confidential AIR FLOW REGULATION 7 20 Air demand Service valve open Company Confidential AIR FLOW REGULATION 7 20 Off load...

Страница 13: ...ssure 4 Increase by tightening regulator screw B or decrease by un tightening Company Confidential AIR FLOW REGULATION 7 20 Orifice continuously bleeds air from the regulation circuit Size of orifice...

Страница 14: ...f adjusting screw Pin hole allows to determine diaphragm condition Company Confidential AIR FLOW REGULATION 7 20 Mechanical engine Spring loaded piston Air pressure increase reduces speed Electronic e...

Страница 15: ...ompany Confidential AIR FLOW REGULATION 7 26E 7 51 Air demand Service valve open Company Confidential AIR FLOW REGULATION 7 26E 7 51 Off load Service valve closed Company Confidential AIR FLOW REGULAT...

Страница 16: ...IR FLOW REGULATION 7 26E 7 51 Company Confidential AIR FLOW REGULATION 7 26E 7 51 Connection on compressor inlet allows to reduce noise Regulation Orifice Company Confidential AIR FLOW REGULATION 7 71...

Страница 17: ...dential AIR FLOW REGULATION 7 71 12 56 Load button pressed Service valve closed Company Confidential AIR FLOW REGULATION 7 71 12 56 Off load Service valve closed Company Confidential AIR FLOW REGULATI...

Страница 18: ...mpinges on the underside of the specially shaped base of the separator element The separator element then removes any remaining oil entrained in the air The oil which flows down the inside surfaces of...

Страница 19: ...0 Company Confidential SEPARATOR RECEIVER TANK 7 20 Company Confidential SCAVENGE LINE 7 20 Orifice is located in the elbow connector It is designed to scavenge the oil while limiting the loss of air...

Страница 20: ...ALVE 7 20 Valve is on the oil side of the element where pressure is maximum when the separator element is blocked Company Confidential SONIC ORIFICE 7 20 Maintains a min pressure 5bar in the receiver...

Страница 21: ...ny Confidential SEPARATOR ELEMENT 7 20 The scavenge tube is part of the separator element Earth staple Company Confidential SEPARATION SCHEMATIC 7 26E 7 51 Company Confidential SCAVENGE LINE 7 26E 7 5...

Страница 22: ...10 12 2010 22 Company Confidential SCAVENGE LINE 7 26E 7 51 Scavenge Return Company Confidential SONIC ORIFICE 7 26E 7 51 Company Confidential SEPARATION SCHEMATIC 7 71 12 56...

Страница 23: ...10 12 2010 23 Company Confidential SEPARATOR TANK 7 71 12 56 Company Confidential SCAVENGE LINE 7 71 12 56 Scavenge Orifice Scavenge Return Company Confidential SONIC ORIFICE 7 71 12 56...

Страница 24: ...relieve the pressure from the separator tank automatically or manually if required Company Confidential AUTO BLOWDOWN 7 20 Normally closed valve Pilot is high pressure at inlet that appears when compr...

Страница 25: ...10 12 2010 25 Company Confidential AUTO BLOWDOWN 7 20 Pilot Line Company Confidential AUTO BLOWDOWN VALVE Company Confidential AUTO BLOWDOWN 7 26E 7 51...

Страница 26: ...10 12 2010 26 Company Confidential AUTO BLOWDOWN 7 26E 7 51 Pilot Line Company Confidential BLOWDOWN 7 71 12 56 Pilot Line Company Confidential MANUAL BLOWDOWN 7 71 12 56...

Страница 27: ...voltage 4 High Eng Temp 5 Low Engine Oil Press INSTRUMENT PANEL 7 51 Tier 3 New Tier 3 7 51 uses standard control panel and a diagnostic readout panel called SECU Diagnostic codes for compressor will...

Страница 28: ...7 51 Tier 3 6 Comp Sensor 7 Low Engine Speed 8 Low Fuel 9 High Airfilter press ALARMS SHUTDOWNS Compressor A Engine Comm Error Engine model not recognized Comp will start and operate within a 1700 230...

Страница 29: ...al in conjunction with our Electronic Manual to troubleshoot the entire system Company Confidential II III Sequence Key Switch Position 0 Position 1 Position 2 Position 3 OPERATION STARTING Company Co...

Страница 30: ...OPERATION STARTING At temperatures below 0 C or if there is difficulty starting first time 1 Open a service valve fully with no hose connected 2 Complete starting sequence as previous 3 Close service...

Страница 31: ...As soon as the engine stops the automatic blowdown valve will relieve all pressure from the system If valve fails to operate pressure must be relieved by means of the service valve Never allow unit t...

Страница 32: ...starter solenoid signal SAFETY prevents the starter from being energized when the engine is running prevents the engine from being started if the air end temperature is too high or fuel level is low...

Страница 33: ...ontroller functions are DIAGNOSTICS optional LEDs that indicate the cause of a shutdown alternator light Tachometer The air heater is driven by the key switch not by the mini controller Company Confid...

Страница 34: ...10 12 2010 34 Company Confidential WIRING DIAGRAM 7 41 Company Confidential WIRING DIAGRAM 7 41 Company Confidential WIRING DIAGRAM 7 41...

Страница 35: ...10 12 2010 35 Company Confidential WIRING DIAGRAM 7 41 Company Confidential WIRING DIAGRAM 7 41 Company Confidential WIRING DIAGRAM 7 51 Tier 2...

Страница 36: ...10 12 2010 36 Company Confidential WIRING DIAGRAM 7 51 Tier 2 Company Confidential WIRING DIAGRAM 7 51 Tier 2 Company Confidential WIRING DIAGRAM 7 51 Tier 2...

Страница 37: ...10 12 2010 37 Company Confidential WIRING DIAGRAM 7 51 Tier 2 Company Confidential WIRING DIAGRAM 7 51 Tier 2 Company Confidential WIRING DIAGRAM 7 51 Tier 2...

Страница 38: ...2 2010 38 Company Confidential WIRING DIAGRAM 7 71 12 56 Tier 2 Machine OFF Company Confidential WIRING DIAGRAM 7 71 12 56 Tier 2 Machine ON Company Confidential WIRING DIAGRAM 7 71 12 56 Tier 2 IN BY...

Страница 39: ...onfidential WIRING DIAGRAM 7 71 12 56 Tier 2 CRANK Company Confidential WIRING DIAGRAM 7 71 12 56 Tier 2 RUNNING Company Confidential TROUBLESHOOTING OIL CARRYOVER LOW AIR VOLUME OVERHEATING HIGH PRES...

Страница 40: ...ressor being operated at the correct engine speed Is the correct type of oil being used Is the scavenge line working Check scavenge orifice and check valve Clean tubes Check scavenge tube length Compa...

Страница 41: ...oil circuit Check the oil cooler restriction Check the compressor oil filter Is the oil cooler clean Is the oil bypass valve working Check valve operation but never remove it as the oil cooler would...

Страница 42: ...ize correct Is there a restriction across the separator element Company Confidential STARTING PROBLEMS ENGINE WILL NOT CRANK Is the battery charged Is the compressor inclination less than 15 Is there...

Страница 43: ...loaded in engine ecu YDT Pump replacement New pump data needs to be loaded in engine ecu YDT Rack Actuator Is mounted on the fuel pump Cannot be ordered separately needs to be replaced by a Tier 3 cer...

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