Wacker Neuson BTS 635s Manuel de l'opérateur télécharger pdf (Page 58)

10 Maintenance BTS 630, 635

58 Operator's manual

Checking/cleaning the spark plug

1. Check the isolator – if damaged, replace the spark plug.

2. Clean the electrodes with a wire brush.

3. Measure the spark plug gap with a feeler gauge – if necessary, correct it by

bending the lateral electrode.

See chapter Technical data for the spark plug gap.

4. Check the spark plug gasket – if damaged, replace the spark plug.

Installing the spark plug

1. First screw in the spark plug manually then tighten it with a combination

wrench.

2. Place the spark plug cap onto the spark plug.

3. Position the air cleaner cap and tighten it.

Torque 5 Nm.

Item Designation

1 Spark plug air gap

2Isolator

NOTICE

A spark plug that is too loose or too tight can damage the engine.

f Tighten the spark plugs with the specified torque.

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Wacker Neuson BTS 635s Manuel de l'opérateur Page 58