
TABLE OF CONTENTS
6LPA Series Operation Manual iii
12/05
PRECAUTIONS ....................................................... 51
The Importance of Periodic Maintenance.......... 51
Performing Periodic Maintenance ..................... 51
The Importance of Daily Checks ....................... 51
Keep a Log of Engine Hours and Daily Checks 51
Yanmar Replacement Parts .............................. 51
Tools Required .................................................. 51
Ask Your Authorized Yanmar Marine Dealer or
Distributor for Help............................................. 51
Tightening Fasteners......................................... 52
PERIODIC MAINTENANCE SCHEDULE ................ 53
PERIODIC MAINTENANCE PROCEDURES .......... 56
Daily Checks...................................................... 56
After Initial 50 Hours of Operation ..................... 57
Every 50 Hours of Operation ............................. 60
Every 125 Hours of Operation ........................... 62
After Initial 250 Hours of Operation ................... 62
Every 250 Hours of Operation ........................... 63
Every 500 Hours of Operation ........................... 65
Every 1000 Hours of Operation ......................... 67
Every 1250 Hours of Operation ......................... 68
TROUBLESHOOTING ................................................... 69
SAFETY PRECAUTIONS ........................................ 69
TROUBLESHOOTING AFTER STARTING ............. 69
TROUBLESHOOTING INFORMATION................... 70
TROUBLESHOOTING CHART................................ 71
LONG-TERM STORAGE ............................................... 73
PREPARE ENGINE FOR LONG-TERM STORAGE 73
DRAIN SEAWATER COOLING SYSTEM ............... 74
RETURNING THE ENGINE TO SERVICE .............. 75
SPECIFICATIONS ......................................................... 77
PRINCIPAL ENGINE SPECIFICATIONS ................ 78
Marine Drive Specifications (Optional) .............. 79
SYSTEM DIAGRAMS .................................................... 81
PIPING DIAGRAMS................................................. 81
WIRING DIAGRAMS................................................ 87
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