Yanmar 3JH4E Service Manual page 73

System
Check the alarm lamps and
devices
Check the electrolyte level in the
Electrical
battery
system
Adjust the tension of the
alternator driving belt
Check the wiring connectors
Check the leakage of water,
lube oil and fuel.
Cylinder
head, Retighten all major nuts and
etc. bolts
Adjust intake/exhaust valve
clearance
Check/adjust the remote control
operation
Remote
control Adjust the propeller shaft
system, alignment
etc.
Replace rubberized hoses (for
water and fuel)
*1
For EPA requirements see also 1.6 in chapter 1.
*2
Whichever comes first.
Inspection and maintenance for the EPA emission
related parts.
Parts
Check fuel injection nozzle (cleaning)
Check fuel injection nozzle (adjustment)
Check fuel injection pump (adjustment)
Check turbocharger (adjustment)
: User-maintenance
Before
Item
starting
(After
starting)
Interval
1,500 hours
3,000 hours
: Parts replacement
*2 *2
Initial Every
50hrs. or 50hrs. or
one month one month
Every two years or 2,000hrs of operation *
53
2. Inspection and adjustment
: Shop-inspection
*2 *2 *2
Every Every
250 hrs. or 500 hrs. or 1000 hrs. or
one year 2 years 4 years
2
Every