Bosch Power Tools 33618, 33614 manual Operating Instructions

BM 2610925942 6-05 6/9/05 3:24 PM Page 9

Operating Instructions

VARIABLE SPEED CONTROLLED

TRIGGER SWITCH

Your tool is equipped with a variable speed trigger switch. The tool speed can be controlled from the minimum to the maximum nameplate RPM by the pressure you apply to the trigger. Apply more pressure to increase the speed and release pressure to decrease speed. This accurate speed control enables you to drill without center punching. It also permits you to use as a power screwdriver. Bits are available for driving screws as well as running bolts and nuts.

FORWARD/REVERSING LEVER &

TRIGGER LOCK

Your tool is equipped with a forward/ reversing lever and trigger lock located above the trigger (Fig. 1). This lever was designed for changing rotation of the chuck, and for locking the trigger in an “OFF” position to help prevent accidental starts and accidental battery discharge. For forward rotation, (with chuck pointed away from you) move the lever to the far left. For reverse rotation move the lever to the far right. To activate trigger lock move lever to the center off position.

!	CAUTION	Do not change direction of
		rotation until the tool

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

GEAR SHIFTING

Your tool is equipped with two separate gear ranges, low gear and high gear. Low gear provides high-torque and slower drilling speeds for heavy duty work or for driving screws. High gear provides faster speeds for drilling lighter work. To change speeds slide switch, to the high or low position.

ATTENTION: If your tool appears to be running, but the chuck will not turn, check to make sure the gear shifting switch is pushed fully into desired setting.

ADJUSTABLE CLUTCH

Your tool features 15 clutch settings. Output torque will increase as the clutch ring, is

rotated from 1 to 15. The drill “ ” position will lock up the clutch to permit drilling and driving heavyduty work, and also enables bits to be changed quickly and easily in the keyless chuck.

BRAKE

When the trigger switch is released it activates the brake to stop the chuck quickly. This is especially useful in the repetitive driving and removal of screws.

BIT STORAGE ADAPTER

Your tool is equipped with a bit storage adapter that will allow you to store a longer bit if desired. To install bit adapter, remove bit from standard storage area, then snap adapter into it’s place. To use, hold bit adapter in place when removing bit (Fig. 1).

INSERTING BITS

Move reverse switch lever to the center “OFF” position. Remove battery pack and rotate the clutch ring to the drill bit symbol

“ ”. Rotate the chuck sleeve counter- clockwise viewing from chuck end, and open chuck to approximate drill bit diameter. Insert a clean bit up to the drill bit flutes for small bits, or as far as it will go for large bits. Close chuck by rotating the chuck sleeve clockwise and securely tighten by hand.

!WARNING Do not use the power of the drill while grasping

chuck to loosen or tighten bit. Friction burn or hand injury is possible if attempting to grasp the spinning chuck.

REMOVING CHUCK

Rotate the clutch ring to the drill bit

symbol “ ”. Open the chuck all the way, remove left-hand thread screw inside chuck by turning it clockwise (Fig. 2).

Insert the short arm of a 1/2" hex key wrench and close jaws on flats of wrench (Fig. 3).

FIG. 2

CHUCK

SLEEVE

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