PERIODIC MAINTENANCE
4-12
6LPA Service Manual
Periodic Maintenance Procedures
© 2007 Yanmar Marine International
1. Turn the battery master switch to OFF (if
equipped) or disconnect the negative (-) battery
cable.
2. Remove the plugs and check the electrolyte
level in all cells. NOTICE: NEVER attempt to
remove the covers or fill a maintenance-free
battery.
3. If the level is lower than the minimum fill level
(Figure 4-6), fill with distilled water
(Figure 4-6) up to the upper limit
(Figure 4-6) of the battery. WARNING! If
operation continues with insufficient battery
fluid, the battery life is shortened, and the
battery may overheat and explode.
Figure 4-6
Figure 4-6
Perform the following maintenance every 125 hours
of operation or 6 months, whichever comes first.
• Changing the Engine Oil and Replacing the
Engine Oil Filter
Changing the Engine Oil and Replacing the
Engine Oil Filter
See Changing the Engine Oil and Replacing the
Engine Oil Filter Element on page 4-9.
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Every 125 Hours of Operation