JH4 Series Service Manual
iii
© 2007 Yanmar Marine International
JH4 Series Service Manual
TABLE OF
CONTENTS
Page
Introduction ......................................................................................... 1-1
Safety.................................................................................................... 2-1
General Service Information .............................................................. 3-1
Periodic Maintenance ......................................................................... 4-1
Engine .................................................................................................. 5-1
Fuel System ......................................................................................... 6-1
Cooling System ................................................................................... 7-1
Lubrication........................................................................................... 8-1
Turbocharger....................................................................................... 9-1
Starter Motor...................................................................................... 10-1
Alternator ........................................................................................... 11-1
Electrical ............................................................................................ 12-1
Troubleshooting................................................................................ 13-1