DeWalt DC987 Wartungshandbuch PDF herunterladen (Seite 14)

Auto-spindle Lock

The auto-spindle lock is engaged when the

transmission is stationary. The chuck sleeve can easily

be turned with one hand while the other supports the

unit.

ASSEMBLY AND ADJUSTMENT

WARNING: Prior to assembly and

adjustment, always remove the battery

pack. Always switch off the tool before

inserting or removing the battery pack.

WARNING: Use only DEWALT battery

packs and chargers.

Inserting and Removing Bits (fig. A, C)

• Open the chuck by turning the sleeve (15)

counterclockwise and insert the bit shank.

• Place the bit in the chuck as far as it will go and lift

slightly before tightening.

• Tighten firmly by turning the sleeve clockwise.

• To remove the bit, proceed in reverse order.

Selecting the Operating Mode or Adjusting the

Torque (fig. D)

The collar of this tool has a wide range of positions

for the adjustment of the torque to suit the size of

the screw and the workpiece material. For torque

adjustment, refer to the section "Screwdriving".

• Select the drilling mode or torque by aligning

the symbol or number on the collar (5) with the

indicator (16) on the housing.

DC981, DC984, DC988

The percussion drills can be used in the following

operating modes:

Rotary drilling:

for steel, wood and plastics

Percussion drilling:

for masonry

Forward/reverse Slider (fig. E)

• To select forward or reverse rotation, use the

forward/reverse slider (2) as shown (see arrows on

tool).

WARNING: Always wait until the motor

has come to a complete standstill before

changing the direction of rotation.

Three-gear Selector (fig. F)

Your tool is fitted with a three-gear selector (6) to vary

the speed/torque ratio.

1 low speed/high torque

2 medium speed/medium torque

3 high speed/low torque

For speed rates, refer to the technical data.

WARNING: Do not change gears at full

speed or during use.

OPERATION

Instructions for Use

WARNING:

• Always observe the safety instructions

and applicable regulations.

• Be aware of the location of pipework and

wiring.

• Apply only a gentle pressure to the tool.

Proper Hand Position (ﬁ g. A, G)

WARNING: To reduce the risk of serious

personal injury, ALWAYS use proper

hand position as shown.

WARNING: To reduce the risk of serious

personal injury, ALWAYS hold securely in

anticipation of a sudden reaction.

DC980, DC981, DC984

Proper hand position requires one hand on the grip

(8), with the other hand on top of the body as shown.

DC987, DC988

Proper hand position requires one hand on the grip

(8), with the other hand on the side handle (9).

Switching On and Off (fig. A, E)

• To run the tool, press the variable speed switch

(1). The pressure exerted on the variable speed

switch determines the tool speed.

• To stop the tool, release the switch.

• To lock the tool in the off position, move the

forward/reverse slider (2) to the central position.

ENGLISH

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