CONTENTS
1. TROUBLESHOOTING.................................................................................................................1-S1
2. SERVICING SPECIFICATIONS..................................................................................................1-S4
[1] BX1870D (D722-E4) and BX2370D (D902-E4).....................................................................1-S4
[2] BX2670D (D1005-E4)............................................................................................................1-S9
3. TIGHTENING TORQUES..........................................................................................................1-S15
4. CHECKING, DISASSEMBLING AND SERVICING ...................................................................1-S17
[1] CHECKING AND ADJUSTING............................................................................................1-S17
(1) Engine Body ..................................................................................................................1-S17
(2) Lubricating System ........................................................................................................1-S19
(3) Cooling System .............................................................................................................1-S20
(4) Fuel System...................................................................................................................1-S22
[2] DISASSEMBLING AND ASSEMBLING ..............................................................................1-S26
(1) Separating Engine.........................................................................................................1-S26
(2) Removing Outer Parts...................................................................................................1-S29
(3) Cylinder Head and Valves.............................................................................................1-S29
(4) Gear Case and Timing Gears........................................................................................1-S33
(5) Piston and Connecting Rod...........................................................................................1-S37
(6) Flywheel and Crankshaft...............................................................................................1-S39
[3] SERVICING.........................................................................................................................1-S41
(1) Cylinder Head and Valves.............................................................................................1-S41
(2) Timing Gears, Camshaft and Governor Gear................................................................1-S49
(3) Piston and Connecting Rod...........................................................................................1-S53
(4) Crankshaft .....................................................................................................................1-S57
(5) Cylinder .........................................................................................................................1-S65
(6) Oil Pump........................................................................................................................1-S66
(7) Relief Valve Spring........................................................................................................1-S68
SERVICING
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