Installing Accessories JAW Chuck | Bosch Power Tools 11224VSRC

INSTALLING ACCESSORIES

3-JAW CHUCK

Hold chuck collar with one hand and rotate chuck sleeve in direction of arrow with the other hand until the jaws are open (Fig. 6).

For small bits, open jaws enough to insert the bit up to the flutes. For large bits, insert the bit as far as it will go.

Insert bit, hold the chuck collar with one hand and rotate chuck sleeve in direction of arrow with the other hand until it latches. Then clamp the accessory by continuing to turn the chuck sleeve forcefully in direction of arrow until you hear a ratcheting sound (Fig. 7).

		CHUCK
	FIG. 6
		COLLAR

CHUCK

SLEEVE

Note: If after opening the chuck completely you hear a ratcheting sound when closing, simply open it a quarter turn and then resume closing the chuck. The ratcheting sound will stop.

REMOVING ACCESSORIES

3-JAW CHUCK

To remove a accessory, hold chuck collar with one hand and rotate chuck sleeve in direction of arrow with the other hand until the accessory can be removed (Fig. 6).

FIG. 7	CHUCK
	COLLAR
	COLLAR

CHUCK

SLEEVE

VARIABLE SPEED CONTROLLED

TRIGGER SWITCH

Your tool is equipped with a variable speed trigger switch. The tool can be turned "ON" or "OFF" by squeezing or releasing the trigger. The speed can be adjusted from the minimum to maximum nameplate RPM by the pressure you apply to the trigger. Apply more pressure to increase the speed and release pressure to decrease speed.

REVERSING SWITCH LEVER

The reversing switch lever is ! CAUTION located above the trigger

switch and is used to reverse rotation of the bit.

The reversing switch should only be activated when the motor is "OFF" and when bit is at a complete standstill.

To use tool in "Forward" rotation move lever to left side of tool, to "Reverse" the rotation of the bit move the lever to the right side of the tool.

SELECTOR DIAL

The selector dial allows the tool to be set for various applications as listed in the chart (Fig. 8).

	! CAUTION	Do not operate the
	! CAUTION	selection dial until the tool
		selection dial until the tool

come to a complete stop. Shifting during rotation of the chuck can cause damage to the tool.

SELECTOR DIAL - “VARIO-LOCK”

Adjusting the Vario-Lock: The vario-lock can be set in any one of thirty-six (10˚ increments) positions. Choose a position which is best suited for your operation.

Depress release button and turn the selector dial, to the “vario-lock” setting. Next, rotate the locking sleeve, along with the accessory, to the desired position. Then turn the selector dial to the “hammer only” setting and slightly turn the locking sleeve to have it automatically lock into a definite position.

Drilling only:	Drilling/hammering:	Vario-lock	Hammering only:
used for drilling	used for drilling	allows for 36 desired	used for light
wood, steel, etc.	concrete	positions of “hammer”	chipping work

FIG. 8

-8-