PERIODIC MAINTENANCE
JH Series Operation Manual 67
12/05
: Check or Clean : Replace ●: Contact your authorized Yanmar Marine dealer or distributor
System Item Periodic Maintenance Interval
Daily
See Daily
Checks
on
page 70.
Every 50
hours or
monthly
which- ever
comes first
Every 250
hours or 1
year which-
ever comes
first
Every 500
hours or 2
years
which- ever
comes first
Every 1000
hours or 4
years
which- ever
comes first
Whole Visual inspection of engine
exterior
Fuel
System
Check the fuel level and refill
if necessary
Drain water and sediment
from fuel tank
Initial 50
Drain the fuel / water
separator
Replace the fuel filter
element
Check the fuel injection
timing
●
Check the fuel injector spray
pattern
For EPA requirements,
see Inspection and
Maintenance of EPA
Emission-Related Parts
on page 69
.
●
*
Lubricating
System
Check the
lube oil level
Engine
Marine Gear
Replace the
lube oil
Engine
Initial 50
Marine Gear
Initial 50
Replace the
oil filter
element
Engine
Initial 50
Marine Gear
(if equipped)
Initial 50
Cooling
System
Seawater outlet
During
Operation
Check coolant level
Check or replace the
seawater pump impeller
Replace coolant Every year. When Long Life Coolant is used, replace every 2 years.
See Engine Coolant Specifications on page 43.
Clean and check the
seawater passages
●
JH5_EN_OPM.book 67 ページ ２０１３年８月８日 木曜日 午前９時２３分
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