3. NOTICE: NEVER attempt to remove the
covers or fill a maintenance-free battery.
Remove the caps and check the
electrolyte level in all cells.
4. If the level is lower than the minimum fill
level (Figure 3, (1)), fill with distilled
water (Figure 3, (2)) (available locally)
up to the upper limit (Figure 3, (3)) of
the battery.
(1)
(2)
(3)
0002388
Figure 3
Note: The maximum fill level is
approximately 10 - 15 mm (3/8 - 9/16 in.)
above the plates. Battery fluid tends to
evaporate in high temperatures, especially
in summer. In such conditions, inspect the
battery more often.
Every 250 Hours of Operation
Perform the following maintenance every
250 hours of operation or yearly, whichever
comes first.
• Draining the Fuel Tank
• Replacing the Fuel Fine Filter
• Replacing the Fuel Filter / Water
Separator Element
• Changing the Engine Oil and
Replacing the Engine Oil Filter
Element
• Checking or Replacing the Seawater
Pump Belt
• Replacing the Anodes
• Checking or Replacing the Seawater
Pump Impeller
• Replacing the Turbocharger Heat
Shield
• Checking the Exhaust / Water Mixing
Elbow
• Replacing the Air Filter Element
• Cleaning the Turbocharger Blower
• Checking or Replacing the Alternator
Belt
• Changing the Power Steering Fluid
• Checking the Shift Cable Adjustment
• Adjusting the Propeller Shaft
Alignment
• Checking the Hydraulic Oil Cooler
• Checking or Replacing Rubber Hoses
• Checking Flexible Engine Mounts
PERIODIC MAINTENANCE
50
BY Series Operation Manual
© 2008 Yanmar Marine International