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Yanmar Diesel Engine Maintenance Manual
Yanmar · 183 стр.
Yanmar Diesel Engine Maintenance Manual
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Contents
COVER
1
FOREWORD
3
0.1 FOREWORD
4
0.2 FOR SAFE SERVICING
5
0.3 PRECAUTIONS FOR SAFE SERVICING
6
(A) Service Shop(Place)
6
(B) Working Wear
7
(C) Tools to Be Used
7
(D) Use of Genuine Parts, Oil and Grease
7
(E) Bolt and Nut Tightening Torques
7
(F) Electrical Parts
8
(G) Waste Treatment
8
(H) Handling the Product
9
CONTENTS
10
1. GENERAL
11
1.1 ENGINE NOMENCLATURE
12
1.2 SPECIFICATIONS
13
1.3 FUEL OIL, LUBRICATING OIL AND COOLING WATER
17
1.4 ENGINE EXTERNAL VIEWS
19
1.5 STRUCTURAL DESCRIPTION
20
1.6 HOW TO READ THIS MANUAL
21
(1) Range of Operation Explanation
21
(2) How to Read The Explanations
21
(3) Definition of Terms
22
(4) Abbreviations
22
1.7 PRECAUTIONS FOR SERVICE WORK
23
1.8 TIGHTENING TORQUES FOR STANDARD BOLTS AND NUTS
24
2. TROUBLESHOOTING
25
2.1 QUICK REFERENCE TABLE FOR TROUBLESHOOTING
26
2.2 TROUBLESHOOTING BY MEASURING COMPRESSION PRESSURE
29
(1) Compression pressure measurement method
29
(2) Standard compression pressure
29
(3) Engine speed and compression pressure
30
(4) Measured value and troubleshooting
30
3. INSPECTION AND ADJUSTMENT
31
3.1 OIL INSPECTION
32
3.2 COOLING WATER INSPECTION
32
3.3 INSPECTING WATER LEAK FROM COOLING WATER SYSTEM AND RADIATOR
32
3.4 FAN BELT TENSION INSPECTION AND ADJUSTMENT
33
3.5 ADJUSTING THE VALVE CLEARANCE
34
3.6 INSPECTING THE FUEL INJECTION VALVE INJECTION PRESSURE AND SPRAY PATTERN
35
3.7 FUEL INJECTION TIMING INSPECTION AND ADJUSTMENT
39
3.8 ADJUSTING THE NO-LORD MAXIMUM (OR MINIMUM) REVOLUTIONS
40
3.9 SENSOR INSPECTION
41
3.10 BATTERY INSPECTION
42
3.11 ADJUSTING OPERATION
44
3.12 LONG STORAGE
45
3.13 PERIODIC MAINTENANCE SCHEDULE
46
4. ENGINE BODY
47
4.1 INTRODUCTION
49
4.2 CYLINDER HEAD
50
(1) Components
50
(2) Disassembly procedure
50
(3) Reassembly procedure
51
(4) Servicing points
51
(5) Parts inspection and measurement
53
(6) Valve seat correction
56
(7) Valve guide replacement
58
(8) Valve stem seal replacement
58
4.3 GEAR TRAIN AND CAMSHAFT
59