Yanmar 6LPA-STP2 Operation Manual page 68

PERIODIC MAINTENANCE
Draining Fuel Filter / Water
Separator
Water and sediment can clog the fuel filter
and impair the function of the fuel injection
pump and valve. If heavy deposits of water
and sediment are drained, also drain the fuel
tank.
( 1 )
( 2 )
Figure 6
1. Close the fuel cock of the fuel tank.
2. Remove the two mounting screws
(Figure 6, (1)) and remove the housing
(Figure 6, (2)).
3. Put a pan under the drain cock.
4. Loosen the drain cock of the water
separator and drain off any water or dirt
collected inside.
5. Install housing and mounting screws.
6. Bleed air from the fuel system. See
Bleeding the Fuel System on page 30.
Checking the Battery Electrolyte
Level (Serviceable Batteries Only)
WARNING! Batteries contain sulfuric
acid. NEVER allow battery fluid to come
in contact with clothing, skin or eyes.
Severe burns could result. ALWAYS
wear safety goggles and protective
clothing when servicing the battery. If
battery fluid contacts the eyes and / or
skin, immediately flush the affected area
with a large amount of clean water and
obtain prompt medical treatment.
62
NOTICE: NEVER turn off the battery
switch (if equipped) or short the battery
cables during operation. Damage to the
electric system will result.
Note: Battery fluid tends to evaporate in high
temperatures, especially in summer. In such
conditions, inspect the battery earlier than
specified.
1.
2.
3.
0004916
4.
6LPA Series Operation Manual
© 2007 Yanmar Marine International
Turn the battery master switch to OFF
(if equipped) or disconnect the negative
(-) battery cable.
Do not operate with insufficient battery
electrolyte as the battery will be
destroyed.
Remove the plugs and check the
electrolyte level in all cells. NOTICE:
NEVER attempt to remove the
covers or fill a maintenance-free
battery.
If the level is lower than the minimum fill
level (Figure 7), fill with distilled water
(Figure 7) (available in the grocery
store) up to the upper limit (Figure 7) of
the battery. WARNING! If operation
continues with insufficient battery
fluid, the battery life is shortened,
and the battery may overheat and
explode.
Figure 7
0004566_s1