PERIODIC MAINTENANCE
66 YM Series Operation Manual
5. Be sure to bleed air from the fuel
system. See Bleeding the Fuel System
on page 30.
Checking the Battery Electrolyte
Level (Serviceable Batteries Only)
Never operate with insufficient battery
electrolyte. Operating with insufficient
electrolyte will destroy the battery.
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.
Never turn off the battery switch (if
equipped) or short the battery cables
during operation. Damage to the electrical
system will result.
Battery fluid tends to evaporate in high
temperatures, especially in summer. In
such conditions, inspect the battery earlier
than specified.
1. Make sure the engine is off.
2. Turn the battery switch to OFF (if
equipped) or disconnect the negative
(-) battery cable.
3. Remove the plugs and check the
electrolyte level in all cells.
Never attempt to remove the covers or fill a
maintenance-free battery.
4. If the electrolyte level is lower than the
minimum fill level (Figure 7, (1)), fill
with distilled water (Figure 7, (2))
(available locally) up to the upper limit
(Figure 7, (3)) of the battery.
Figure 6
Figure 7
1 – Lower Level
2 – Distilled Water
3 – Upper Level
Note: The maximum fill level is
approximately 10 to 15 mm
(3/8 to 9/16 in.) above the
plates.
UPPER LEVEL
LOWER LEVEL
2
3
1
0004566
YM OPM_EN.book 66 ページ ２０１３年６月７日 金曜日 午前１１時１１分
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