Every 250 Hours Of Operation - Yanmar 3JH4E Operation Manual

4. If the level is lower than the minimum,
fill level (Figure 12, (1)), fill with
distilled water (Figure 12, (2))
(available in the grocery store) up to the
upper limit (Figure 12, (3)) of the
battery.
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 - 15 mm
(3/8 - 9/16 in.) above the plates.
JH4 Series Operation Manual
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(3)
(1)
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PERIODIC MAINTENANCE

Every 250 Hours of Operation

Perform the following maintenance every
250 hours or one 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 Intake Silencer (Air Cleaner)
Element
• Cleaning the Exhaust / Water Mixing
Elbow
• Cleaning the Turbocharger (If
Equipped)
• Adjusting the Tension of the
Alternator V-Belt
• Checking the Wiring Connectors
• Tightening All Major Nuts and Bolts
Draining the Fuel Tank
See Draining the Fuel Tank on page 61.
Replacing the Fuel Filter Element
3JH4E / 4JH4AE
Figure 13
1. Close the fuel cock of the fuel tank.
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