Yanmar 3TNV Series Service Manual page 6

(5) FASTENER TORQUE
(6) Electrical
(7) WASTE MANAGEMENT
Torqueing Fasteners
Always follow the torque values and procedures as designated in the
service manual. Incorrect values, procedures and or tools may cause
damage to the engine and or personal injury.
Short Circuits
Always disconnect the (-) Negative battery cable before working on the
electrical system. An accidental "short circuit" may cause damage,
fire and or personal injury. Remember to connect the (-) Negative
battery cable (back onto the battery) last.
Fasten the terminals tightly.
Charging Batteries
Charging wet celled batteries produces hydrogen gas. Hydrogen gas is
extremely explosive. Keep sparks, open flame and any other form of
ignition away. Explosion may occur causing severe personal injury.
Battery Electrolyte
Batteries contain sulfuric acid. Do NOT allow it to come in contact
with clothing, skin and or eyes, severe burns will result.
Observe the following instructions with regard to hazardous waste
disposal. Negligence of these will have a serious impact on
environmental pollution concerns.
1) Waste fluids such as lube oil, fuel and coolant shall be carefully put
into separate sealed containers and disposed of properly.
2) Do NOT dispose of waste materials irresponsibly by dumping them
into the sewer, overland or into natural waterways.
3) Waste materials such as oil, fuel, coolant, solvents, filter elements
and batteries, must be disposed of properly according to local
ordinances. Consult the local authorities or reclamation facility.