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Weifang 495 - Page 33

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Fig.4

Left

-

hand

back

view

of

model

495T

Diesel

Engine

Table of Contents

Contents5
Product View10
Maintenance12
Daily Care12
First Order Maintenance13
Second Order Maintenance13
Third Order Maintenance14
Fourth Order Maintenance14
Troubleshooting16
Engine Fails to Start16
Unsteady Running of the Engine18
Insufficient Engine Output20
Abnormal Exhaust Smoke21
Unusual Pounding Noise23
White Smoke23
Grey Blue Smoke23
Engine Overheated25
Abnormal Lubricating Oil Pressure in Main Oil Passage25
Engine Running Away (Overspeed Suddenly)26
Constructional Features28
Clutch and Power Take-Off Assembly Diagram29
Operation and Maintenance of the Clutch30
Usage of the Centering Mandrel31
Air Cleaner Diagram35
Adjustment and Maintenance36
List of Rolling Bearings37
Longitudinal and Cross Section Drawings41
Overall and Mounting Dimensions45
Load Characteristic Curve48
Speed Characteristic Curve49
Main Specifications and Technical Data50
Main Constructions, Adjustments and Maintenance55
Cylinder Block Assembly55
Cylinder Head Assemby, Valve Gear and Their Maintenance57
Sequence of Tightening the Cylinder Head Nuts59
Camshaft Assembly60
Valve Timing Diagram61
Inspecting and Lapping Valve62
Adjusting Valve Lash62
Reaming and Replacing Valve Seat63
Diagram of Reconditioning Valve Seat63
Mounting Cylinder Head Onto Cylinder Block64
Adjusting Decompressor's Travel64
Mounting Timing Gears66
Crankshaft - Connecting Rod Mechanism and Its Maintenance66
Piston - Connecting Rod Assembly67
Crankshaft and Figwheel Assembly68
Maintenance of Crankshaft and Connecting Rod Mechanism70
Checking the Piston Ring Gap73
Installing the Oil Ring or Dualflex Oil Ring74
Positioning of the Piston Rings Inside the Cylinder Liner74
Supply System76
Sequence of Tighting the Flywheel Bolts76
Feed Pump78
Fuel Filter80
Injection - Pump and Governor81
Injector Diagram85
Maintenance of the Supply System86
Maintenance of Air Cleaner86
Maintenance of Fuel System87
Maintenance of Fuel Filter88
Calibration of the Fuel Delivery Timing88
Overflow Tube Diagram89
Inspection and Adjustment of Injection Pump and Governor90
Adjusting Rated Amount of Fuel Delivery/Fixing High Speed Stop Screw92
Adjusting Control Fork Position on Control Rod92
Fixing the Position of the Correcting Screw93
Checking the Governor Performance93
Inspection and Adjustment of Injector94
Lubricating System95
Lubricating Oil Pump Diagram96
Lubricating Oil Filter97
Centrifugal Type Bypass Oil Filter98
Maintenance of Lubricating System100
Cleaning of Lubricating Oil Filter102
Cleaning of Centrifugal Type Bypass Oil Filter102
Cooling System103
Water Pump and Fan Assembly Diagram105
Maintenance of Cooling System106
Checking of the Correct Tension of the Belt107
Electrical System109
Battery109
Dynamo109
Voltage Regulator111
Starting Motor111
Preheater112
Key Switch113
Preheating-Starting Switch113
Maintenance of Electrical Systern113
Maintenance of Battery113
Maintenance of the Generator115
Miantenance of Starting Motor115
Transporting, Installation and Unpacking117
Test Running and Running-In118
Engine Operation120
Fuel120
Lubricating Oil120
Cooling Water120
Preparations before Starting the Engine121
Engine Starting122
Operating the Engine123
Stopping the Engine124
Preservation and Storage126

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