Every 250 Hours Of Operation - Yanmar 4JH45 Operation Manual

12/05
U P P E R
L E V E L
L O W E R
L E V E L
Figure 12
Note: The maximum fill level is
approximately 10 to 15 mm
(3/8 to 9/16 in.) above the plates.
JH Series Operation Manual
(2)
(3)
(1)
0004566
PERIODIC MAINTENANCE

Every 250 Hours of Operation

Perform the following maintenance every
250 hours or 1 year of operation,
whichever comes first.
• Draining the Fuel Tank
• Replacing the Fuel Filter Element
• Changing the Engine Oil and
Replacing the Engine Oil Filter
Element
• Changing the Marine Gear Oil and
Replacing Marine Gear Oil Filter
Element (If Equipped)
• Checking or Replacing the Seawater
Impeller
• Changing the Coolant
• Cleaning the Intake Silencer (Air
Cleaner) Element
• Cleaning the Exhaust/Water Mixing
Elbow
• Wash the Turbocharger blower (If
Equipped)
• Adjusting the Alternator V-ribbed belt
Tension
• Checking the Wiring Connectors
• Tightening All Major Nuts and Bolts
Draining the Fuel Tank
See Draining the Fuel Tank on page 85.
93