Yanmar 3HM Shop Manual

CHAPTER THREE
OPERATION. LUBRICATION. MAINTENANCE AND TUNE
- UP ................... 42
Fuel requirements ...... : .................... 42
Engine maintenance and lubrication
............. 44
Preoperational checks
........................ 42
Cooling system
............................. 52
Starting checklist
............................ 43
Battery
.................................... 56
......................... Stopping the engine 44 Engine tune - up ............................. 57
Emergency engine stopping
................... 44
Transmission
............................... 60
Post
- operational checks ...................... 44
CHAPTER FOUR
LAY.UPANDFITT1NGOUT ............................................. 63
Lay - up .................................... 63
Fittingout
................................. 66
Cooling system draining
...................... 64
CHAPTER FIVE
SINGLE.CYLINDERENGINES ............................................ GS
Diesel engine fundamentals ................... 68
Pushrods .................................. 79
Engine serial number and code
................. 70
Pistoniconnecting rod assembly
................ 79
Replacement parts
........................... 70 Timing gearcase 85
............................
Engine removal precautions ................... 70
Lubrication system
.......................... 86
Valvecover
................................ 71
Flywheel
.................................. 89
. .
Breather assembly ........................... 7 1
Drlvedisc ................................. 91
Decompression mechanism
................... 73
Crankshaft
................................. 91
Cylinder head
.............................. 73
Mainbearings
.............................. 93
Rocker shaft assembly
....................... 76 Camshaft 93
..................................
Valves and valve seats ........................ 77
Cylinder block
.............................. 95
CHAPTER SIX
MULTICYLINDER ENGINES
............................................. 99
Engine serial number and code ................. 99
Push rods
.................................. 113
................
Replacement parts ........................... 100 Pistoniconnecting rod assembly 113
Engine
.................................... 100
Timing
gearcase ............................ 118
..........................
Valve cover ................................ 10 1 Lubrication system 120
Breather assembly
........................... 10 1
Flywheel ................................ 122
Decompression mechanism
................... 102
Drivedisc
................................. 123
Exhaust manifold
........................... 103
Crankshaft
................................. 123
Cylinderhead
.............................. 105
Mainbearings
.............................. 126
Rocker shaft assembly
....................... 109
Camshaft
................................. 127
Valves and valve seats
........................ 110
Cylinder block
.............................. 128
CHAPTER SEVEN
FUEL INJECTION AND GOVERNOR SYSTEMS
............................... 138
Fuel injection fundamentals ................... 138
Fuel injection pump
......................... 149
Fuel injection system bleeding
................. 142
Fuel transfer pump
.......................... 150
Fuel injection timing
......................... 144 Fuellines .................................. 151
Fuel injector
............................... 146
Governor system
............................ 152

Yanmar 3HM Specifications

General

Brand	Yanmar
Model	3HM
Category	Engine
Language	English