Endress ESE Series, Translation Of The Operating Instructions, Page: 110 / 452

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Maintenance
Installing the spark
plug 1. Turn the checked spark plug clockwise by hand into the spark plug on the
engine (see Fig. Fig. 9-7 - ). Ensure that it is inserted without tilting, not to
damage the thread.
2. Tighten the spark plug using the spark plug wrench supplied.
3. Press the spark plug connector firmly onto the spark plug.
The spark plug has been serviced in an orderly manner.
The generator is ready to use.
9.6 Starter battery
9.6.1 Charging the battery
The battery can discharge after a longer immobilisation period or exces-
sive power consumption in the control circuit of the generator.
Always remove the starter battery before charging (see Chapter 9.6.2 ). Exactly
observe the handling instructions provided by the battery manufacturer. Wrong
charging destroys the battery!
WARNING!
There is a risk of explosion and fire in the case of inappropriate handling
and spark development when working with the battery.
Danger from spraying sulphuric acid. Danger of suffering severe even deadly
burns and chemical burns. Danger of being blinded.
► Never lay electrically conductive parts on the starter battery.
► Flames, sparks, an open light and smoking are prohibited.
► Avoid sparks when handling cables and electrical devices, as well as electro-
static discharge.
► Avoid short-circuits.
► Wear acid-resistant protective clothing.
WARNING!
Escaping corrosive acid fumes or sulphuric acid during and after the
charging process. A risk of suffering severe or even deadly burns.
► Only work with acid-resistant protective equipment.
► Clean surfaces covered in acid immediately using adequate amounts of wa-
ter.
► Only charge the starter battery in a well ventilated environment.
Requirements

The starter battery is removed.
 For charging the starter battery is located at a well ventilated location.
Charging the bat-
tery 1. Attach the starter battery according to the regulations from the battery and
charger manufacturers.
2. Set a suitable charge current for the charger if necessary.
3. Switch off the charger of expiry of the charging time.
4. Disconnect the starter battery from the charger.
5. Allow the starter battery to rest for about thirty minutes.
EN