Specifications

PERIODIC MAINTENANCE TABLE
◯: Check or Clean ◊: Replace ●: Contact your authorized Yanmar Marine dealer or distributor
Daily
(See Daily
Checks on
page 23.)
50
Hours
Or
After 1
Month
Every
100
Hours
Every
250
Hours
Every
500
hours
Every
Year
Every
2000
Hours
Every
5
Years
Lubricating Oil
Check Oil
Level, Fill If
Necessary
Before
operation
◯
Change
Lubricating Oil First
◊
SD20
◊
SD50,
SD50-
4T
◊
Cooling Water
Open/Close
Cooling Water
Cock
Before / after
operation
◯
Clean Cooling
Water Suction
Hole
◯
Drain Cooling
Water
After
operation
◯
Remote Control System
Inspect
Remote
Control Device
◯
Cone Clutch and Shifter
Inspect /
replace or lap
●
Replace the
cone-clutch
●
Anode
Inspect And
Replace
Anode
◊
Lower Case
Repair Case
Coating
●
Boat Hull Water-Tightness
Inspect
Rubber
Diaphragm
◯
◊
Inspect Seal
Sensor
◯
PERIODIC MAINTENANCE
36 SD Operation Manual
© 2009 Yanmar Marine International