• Switch off the engine and turn the stop dial to “0”. Switching off the engine: Chap. 6.4, page 23
• Loosen all four attachment screws (a) and (b) of the guard (5). Remove guard.
• Remove spark plug connector (c) from the spark plug (d) below.
• Unscrew spark plug (d) and dry off well.
• Clean spark plug with dry cloth and check electrodes. There must not be any foreign material between the electrodes.
Brush out any foreign bodies with a spark plug brush.
• If the electrodes are strongly burned down, the spark plug must be replaced at once – otherwise, it must be replaced
after 100 operating hours.
Dangerofrefromsparkformation!
Do not start up the engine with the spark plug (d) unscrewed or the ignition cable (e) removed from the plug
• Proper electrode distance: 0.5 mm [approx. 0.02”]
Replace the spark plug if the electrode distance is incorrect.
The following interference-suppressed spark plugs are approved
for use in this power tool:
BOSCH WSR6F, CHAMPION RCJ-6Y and NGK BPMR7A
Use of other spark plugs is not allowed!
• Check ignition cable (c) for proper connection and intact insulation. If the insulation is damaged, do not continue work,
but order repair from a specialist workshop authorized by us.
• Screw in spark plug (d) again. Torque: 25 Nm [18.4 ft·lbf]
•Pushthesparkplugconnector(b)ontothesparkplug(d)rmlyatreattachment.
• Install housing parts again.
8.6 Ribbed Belt Replacement
Danger of contamination of ribbed belt, associated carrier structure and coupling!
Only open the ribbed belt cover and coupling cover in a clean environment.
• Switch off the engine and turn the stop dial to “0”.
Switching off the engine: Chap. 6.4, page 23
• Shut off water supply to the power tool.
• Put the power tool on level ground.
• Loosen both attachment nuts (a) of the ribbed belt cover (14).
• Turn ribbed belt tension screw (13) towards the left, e.g.
counter-clockwise, to reduce the ribbed belt tension).
Turn until the square nut (b) has been moved towards the
mark“−”(c)asfaraspossible.Wheninstallingthecutting
deviceinthe center position(cf.gure),thesquarenutis
all the way to the left; in case of installation in the outer
position, it is located all the way to the right.
e
13
14
b
c
SENCORE S8100 CUT-OFF SAW MANUAL 31
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General