Bosch Power Tools DDH181XBL Gear Shifting, Gear Shifter Adjustable Clutch, Built in Work Light

BM 2610032842 04-14_DDH181X HDH181X 4/9/14 7:10 AM Page 11

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 high speed or high torque position. (Fig. 9).

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.

FIG. 9

GEAR

SHIFTER

ADJUSTABLE CLUTCH

Your tool features 25 clutch settings. Output torque will increase as the clutch ring, is

rotated from 1 to 25. 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 (Fig. 10).

FIG. 10

ADJUSTABLE

CLUTCH

DRILL/HAMMER DRILL SELECTOR RING

(Model HDH181x only)

The selector ring allows the tool to be set for various drilling/hammer drilling applications. Rotate the selector dial right or left depending on the below applications (Fig. 11).

Drill only action: For drilling in woods, metals, plastics or other non concrete materials.

Drill with hammer action: For drilling in concrete, asphalt, tile or other similar hard materials. The hammer drill position overrides the clutch for hammer drilling.

FIG. 11

MODE

SELECTOR

RING

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.

BUILT IN WORK LIGHT

Your tool is also equipped with a light that turns on automatically when the switch is activated, for better visibility when drilling/driving (Fig. 1).

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