PERIODIC MAINTENANCE
YM Series Operation Manual 71
12/05
Adjusting the Alternator V-ribbed
belt Tension
See Checking and Adjusting the Alternator
V-ribbed belt Tension on page 62.
Cleaning the Breather Pipe
Consult authorized Yanmar Marine dealer
or distributor.
Checking the Wiring Connectors
Consult authorized Yanmar Marine dealer
or distributor.
Perform the following maintenance every
1000 hours or 4 years of operation,
whichever comes first.
• Checking the Fuel Injection Timing
• Checking the Fuel Injector Spray
Pattern
• Replacing the Seawater Pump
Impeller
• Cleaning and Checking the Seawater
Passages
• Checking the Diaphragm Assembly
• Replacing the Alternator V-ribbed belt
• Adjusting Intake / Exhaust Valve
Clearance
• Checking and Adjusting the Remote
Control Cables
• Adjusting the Propeller Shaft
Alignment
• Tightening All Major Nuts and Bolts
Checking the Fuel Injection Timing
Consult authorized Yanmar Marine dealer
or distributor.
Checking the Fuel Injector Spray
Pattern
Consult authorized Yanmar Marine dealer
or distributor.
Every 1000 Hours of Operation
YM OPM_EN.book 71 ページ 2013年6月7日 金曜日 午前11時11分