PERIODIC MAINTENANCE
6SY Operation Manual
105
Adjust the Propeller Shaft
Alignment
See
Adjust Propeller Shaft Alignment
on
page
86
.
Check the Alternator Belt
Tension
See
Check and Adjust the Alternator
Belt
on page
86
.
Perform the following maintenance every
1000 hours of operation.
• Check the Unit Injector Spray Pattern
• Adjust Intake / Exhaust Valve Clearance
• Adjust Unit Injectors
• Clean and Check the Water Passages
• Replace Alternator Belt
• Replace Flexible Engine Mounts
Check the Unit Injector Spray
Pattern
See your authorized Yanmar marine dealer
or distributor.
Adjust Intake / Exhaust Valve
Clearance
See
Adjust the Intake / Exhaust Valve
Clearance
on page
93
.
Adjust Unit Injectors
See your authorized Yanmar marine dealer
or distributor.
Replace Flexible Engine
Mounts
See your authorized Yanmar marine dealer
or distributor.
Perform the following maintenance every
2000 hours of operation.
• Overhaul and Check Fuel Feed Pump
• Clean Engine Oil Cooler
• Clean Seawater and Engine Coolant
System
• Replace Rubber Fuel Hoses
Overhaul and Check Fuel Feed
Pump
See your authorized Yanmar marine dealer
or distributor.
Clean Engine Oil Cooler
See your authorized Yanmar marine dealer
or distributor.
Clean Seawater and Engine
Coolant System
See
Clean the Coolant System
on
page
99
.
Replace Rubber Fuel Hoses
See your authorized Yanmar marine dealer
or distributor.
Every 1000 Hours of
Operation
Every 2000 Hours of
Operation
Summary of Contents for 6SY Series
Page 1: ...6SY series OPERATION MANUAL 6SY Operation Manual P N 0A6301 G0000 MARINE ENGINES ...
Page 34: ...PRODUCT OVERVIEW 26 6SY Operation Manual This Page Intentionally Left Blank ...
Page 54: ...BEFORE YOU OPERATE 46 6SY Operation Manual This Page Intentionally Left Blank ...
Page 120: ...LONG TERM STORAGE 114 6SY Operation Manual This Page Intentionally Left Blank ...
Page 126: ...President Yanmar Marine Int l ...
Page 127: ...President Yanmar Marine Int l ...
Page 128: ...EPA WARRANTY USA ONLY 120 6SY Operation Manual This Page Intentionally Left Blank ...