Siyang N485J User Manual

Name: Siyang N485J
Brand: Siyang
Rating: 4 (1 reviews)

53 pages

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Contents3
Engine Data6
Specification of the Diesel Engine6
Main Technical Specification7
Engine Technical Data8
Vale Timing8
Valve Clearance8
Accessories9
Propulsion Performance Curves10
Main Structure and Assembly of the Engine Set11
Cylinder Block11
Cylinder Head12
Intake & Exhaust Valves, Valve Seats and Valve Guides12
Sequence of Tightening the Bolts of the Cylinder Head12
Depth of Valve Surface below the Surface of Cylinder Head13
Piston and Connecting Rod14
Rocker Arm, Rocker Arm Shaft and Rocker Arm Support14
Cylinder Head Gasket14
Checking Piston Ring Gap Clearance15
Piston Pin16
Connecting Rod Body and Large End Bearing Shell16
Checking the Side Clearance of the Ring16
Crankshaft and Flywheel17
Camshaft17
Gear Case18
Camshaft Timing Gear and Thrust Plate18
Relative Positions of Gears During Assembling19
Fuel and Governor System20
Injection Pump Transmission20
Lubricating System22
Schematic Drawing of the Lubrication System22
Cooling System25
Electrical System26
Electric Diagram I27
Electric Diagram 228
Electric System Parts Description29
Instrument Panel29
Gearbox30
Operation of the Engine31
Precautions31
Fuel, Lubricating Oil and Cooling Water31
Engine Lubrication Oil Specification31
Gearbox Oil Specification32
Preparation before Operation33
Starting33
Normal Starting33
Cold Starting34
Stopping35
Adjustment of the Engine36
Adjustment of Valve Clearance36
Adjustment of Injection Timing36
Adjustment of Injector37
Procedure of the Adjustment of the Injector37
Check the Atomization Quality37
Maintenance of Injector37
Adjustment of Fuel Pump38
Maintenance39
Routine Maintenance39
Maintenance after Every 100 Hours of Operation39
Storage41
Troubleshooting42
Failure to Start42
Low Starting Speed42
Faults in the Fuel System42
Abnormal Lubricating Oil Pressure43
No Oil Pressure or Pressure too Low43
Oil Pressure too High43
No Oil on Rocker Arm Shaft43
Smoky Exhaust44
Engine Exhaust Dense Black Smoke44
Engine Exhausts White Smoke44
Engine Exhausts Blue Smoke44
Insufficeint Output45
Unordinary Noise46
Serious Vibration47
Overheating47
Lubricating Oil Consumption too High48
Over Speeding48
Engine Stalls48
Uneven Running49
Lubricating Oil Level too High49
Table of Fits and Wear Limits50
Delivery List of N485J Marine Diesel Engine Set52
Tools Supplied with N485J Marine Diesel Engine Set52
Spare Parts53

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Siyang N485J Specifications

General

Brand	Siyang
Model	N485J
Category	Engine
Language	English

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