Yanmar 3JH5E Operation Manual page 86

PERIODIC MAINTENANCE
4. Loosen the drain plug (Figure 11, (4))
at the bottom of the fuel filter / water
separator by turning counterclockwise
and drain off any water or sediment.
NOTE:If there is a large quantity of
water and sediment in the fuel
filter / water separator, also drain
the fuel tank. See Draining the
Fuel Tank on page 71.
NOTICE
ALWAYS be environmentally
responsible. Dispose of the collected
water and dirt properly.
5. Tighten the drain plug.
6. Remove the drain tube.
7. Install the fire-resistant cover and
tighten the hose clamp.
8. Bleed air from the fuel system. See
Bleeding the Fuel System on page 38.
Checking the Battery Electrolyte
Level (Serviceable Batteries Only)
WARNING
Exposure Hazard. 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.
78
NOTICE
NEVER turn off the battery switch (if
equipped) or short the battery cables
during operation. Damage to the electric
system will result.
NEVER operate with insufficient battery
electrolyte. Operating with insufficient
electrolyte will destroy the battery.
Battery fluid tends to evaporate in high
temperatures, especially in summer. In
such conditions, inspect the battery earlier
than specified.
1. Turn off the battery switch (if equipped)
or disconnect the negative (-) battery
cable.
2. Do not operate with insufficient battery
electrolyte, as the battery will be
destroyed.
3. Remove the plugs and check the
electrolyte level in all cells.
NOTICE
NEVER attempt to remove the covers or
fill a maintenance-free battery.
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.
JH Series Operation Manual