Yanmar 3YM30 Sevice Manual page 31

System
Check the alarm lamps & devices
Check the electrolyte level in the
battery
Electrical
system
Adjust the tension of the alternator
driving belt
Check the wiring connectors
Check for leakage of water and oil
Cylinder
head,
Retighten all major nuts and bolts
etc.
Adjust intake/exhaust valve
clearance
Check/adjust the remote control
Remote
operation
control
system, etc.
Adjust the propeller shaft alignment
*1
For EPA requirements see also 1.5 in chapter 1.
*2
Whichever comes first
: User-maintenance
Before
Item
starting
starting
: Parts replacement
2 2
Initial Every
* *
50hrs. or 50hrs. or
one month one month
After
16
2. Inspection and adjustment
: Shop-inspection
2
2 2
Every Every *
*
100 hrs. or
1000 hrs. or
250 hrs. or
two months one year
4 years
Every