Bosch Power Tools 1661, 1659 Assembly, Attaching the Blade, VARI-TORQUE Clutch, Dust Extraction

BM 2610925945 6-05 6/10/05 10:30 AM Page 10

Assembly

ATTACHING THE BLADE Do not use wrenches with longer handles,

!Disconnect battery pack since it may lead to over tightening of the blade WARNING from tool or place the stud.

switch in the locked or off position before		VARI-TORQUE CLUTCH
making any assembly, adjustments or		This clutching action is provided by the friction
changing accessories. Such preventive		of the OUTER WASHER against the BLADE
safety measures reduce the risk of starting		and permits the blade shaft to turn when the
the tool accidentally.		blade encounters excessive resistance. When
1. Turn BLADE STUD with wrench provided		the BLADE STUD is properly tightened (as
clockwise and remove BLADE STUD and		described in No. 5 of Attaching The Blade), the
OUTER WASHER (Fig. 2). If the shaft moves		blade will slip when it encounters excessive
while attempting to loosen the blade stud press		resistance, thus reducing saw’s tendency to
the lock button (Fig. 1).		KICKBACK.
2. Retract the lower guard all the way up into		One setting may not be sufficient for cutting all
the upper guard. While retracting the lower		materials. If excessive blade slippage occurs,
guard, check operation and condition of the		tighten the blade stud a fraction of a turn more
LOWER GUARD SPRING.		(less than 1/8 turn). OVERTIGHTENING THE
3. Make sure the saw teeth and arrow on the		BLADE STUD NULLIFIES THE EFFECTIVE-
		NESS OF THE CLUTCH.
blade point in the same direction as the arrow
on the lower guard.		DUST EXTRACTION
4. Slide blade through slot in the foot and		Your tool is equipped is with a dust port for dust
mount it against the INNER WASHER on the		and chip extraction. To use this feature, open
shaft. Be sure the large diameter of the OUTER		dust port cover and attach vacuum hose
washer lays flush against the blade.		(optional accessory) to the dust port, and
5. Reinstall OUTER WASHER and tighten		connect opposite end the hose to a shop
		vacuum cleaner.
BLADE STUD finger tight. The face of outer
		! WARNING To prevent personal injury,
washer has marks on it that will help you
properly adjust the blade stud. Press lock		always position vacuum
button to lock shaft and TIGHTEN BLADE		hose so that it does not interfere with the
STUD COUNTER-CLOCKWISE ONE MARK		lower guard, or the cutting operation at all
ON BLADE WASHER WITH THE WRENCH		settings.
PROVIDED.
FIG. 2		WRENCH
		MARK
		LOWER
UPPER		GUARD
		SPRING
GUARD
		BLADE
		OUTER WASHER
		OUTER WASHER
		Large Diameter
		Faces Blade
		BLADE
		STUD
LOWER	BLADE	TIGHTEN
GUARD	SHAFT

INNER WASHER

Large Diameter

Faces Blade

LOOSEN

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