TABLE OF CONTENTS
JH Series Operation Manual iii
12/05
CHECKING THE ENGINE AFTER OPERATION .... 58
PERIODIC MAINTENANCE........................................... 59
INTRODUCTION...................................................... 59
SAFETY PRECAUTIONS ........................................ 59
PRECAUTIONS ....................................................... 61
The Importance of Periodic Maintenance .......... 61
Performing Periodic Maintenance ..................... 61
The Importance of Daily Checks ....................... 61
Keep a Log of Engine Hours and Daily Checks 61
Yanmar Replacement Parts .............................. 61
Tools Required .................................................. 61
Ask Your Authorized Yanmar Marine Dealer or
Distributor for Help............................................. 61
EPA MAINTENANCE REQUIREMENTS................. 63
EPA Requirements for USA and Other
Applicable Countries.......................................... 63
EPA Requirements ............................................ 63
Installation of Exhaust Sampling Port................ 65
PERIODIC MAINTENANCE SCHEDULE ................ 66
PERIODIC MAINTENANCE PROCEDURES .......... 70
Daily Checks...................................................... 70
After Initial 50 Hours of Operation ..................... 71
Every 50 Hours of Operation ............................. 76
Every 250 Hours of Operation ........................... 79
Every 500 Hours of Operation ........................... 87
Every 1000 Hours of Operation ......................... 87
TROUBLESHOOTING ................................................... 89
SAFETY PRECAUTIONS ........................................ 89
TROUBLESHOOTING AFTER STARTING ............. 89
TROUBLESHOOTING INFORMATION................... 90
TROUBLESHOOTING CHART................................ 91
LONG-TERM STORAGE ............................................... 93
PREPARE ENGINE FOR LONG-TERM STORAGE 93
DRAIN SEAWATER COOLING SYSTEM ............... 94
RETURNING THE ENGINE TO SERVICE .............. 96
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