Yanmar 2TNV70 Service Manual page 72

PERIODIC MAINTENANCE
8. Put the float (Figure 5-7, (7)) and retaining
spring (Figure 5-7, (6)) inside the cup.
9. Reinstall the cup to the mounting flange
(Figure 5-7, (8)) and turn the retaining ring
(Figure 5-7, (4)) to the right (Figure 5-7, (5)).
Hand-tighten only.
10. Open the fuel cock (Figure 5-7, (3)).
11. Be sure to prime the fuel system. See Priming
the Fuel System on page 4-14.
12. Check for fuel leaks.
If the fuel filter / water separator is positioned
higher than the fuel level in the fuel tank, water
may not drip out when the fuel filter / water
separator drain cock is opened. If this happens,
turn the air vent screw on the top of the fuel
filter / water separator 2-3 turns
counterclockwise.
Be sure to tighten the air vent screw after the
water has drained out.
Check Battery
DANGER
EXPLOSION HAZARD!
• NEVER check the remaining
battery charge by shorting out the
terminals. This will result in a
spark and may cause an
explosion or fire. Use a
hydrometer to check the
remaining battery charge.
• If the electrolyte is frozen, slowly warm the
battery before you recharge it.
• Failure to comply will result in death or
serious injury.
5-12
NOTICE
Periodic Maintenance Procedures
WARNING
BURN 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.
• Failure to comply could result in death or
serious injury.
NOTICE
• ALWAYS be environmentally
responsible.
• Follow the guidelines of the EPA or other
governmental agencies for the proper disposal of
hazardous materials such as engine oil, diesel
fuel and engine coolant. Consult the local
authorities or reclamation facility.
• NEVER dispose of hazardous materials
irresponsibly by dumping them into a sewer, on
the ground, or into ground water or waterways.
• Failure to follow these procedures may seriously
harm the environment.
TNV IDI Service Manual