Volvo VHD Betreibershandbuch PDF herunterladen (Seite 21)

Safety Information 17

Electric System Damage Prevention

Electric and Electronic Systems

Never disconnect any charging unit circuit

or battery circuit cable from the battery

when the charging unit is operating. A spark

can cause the flammable vapor mixture of

hydrogen and oxygen to explode.

To prevent potential sparks from igniting

combustible gases produced by some

batteries, attach the negative (—) terminal

last when hooking up and remove the

negative terminal first after the engine has

started. Check regularly around the engine

and engine compartment for loose or frayed

wires. Have all loose or frayed electrical

wires tightened, repaired or replaced before

operating the vehicle.

W0001526

WARNING

Always wear eye protection when

working around batteries to prevent the

risk of injury due to contact with sulfuric

acid or an explosion.

Grounding Practices

Proper grounding for vehicle and engine

electrical and electronic systems is necessary

for proper vehicle and engine performance

and reliability. Improper grounding will

result in uncontrolled and unreliable

electrical paths.

Uncontrolled engine electrical circuit paths

can result in damage to main bearings,

crankshaft journals surfaces and aluminum

components. Uncontrolled electrical circuit

paths can also cause electrical noise which

may degrade vehicle and radio performance.

Operating engines without the

engine-to-frame ground strap installed

can cause damage to the engine. To prevent

electrical discharge damage, check to make

sure the engine’s electrical system has an

engine-to-frame ground strap. All ground

connections should be tight and free of

corrosion.

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