33
Operation
Operating the Chuck
This rotary hammer has a chuck designed for SDS Plus drill bits.
The SDS Plus system allows bits to be inserted with a simple push-
fit action.
Always grease the tail end of SDS bits. Bits should be freshly
greased and free from dirt and dust before use.
Inserting a Drill Bit
1. Pull back the chuck collar (14) and hold.
2. Insert SDS Plus drill bit fully into the chuck (15). Use a twisting
motion to line up the grooves in the accessory.
3. Release the chuck collar.
4. The bit should now be locked into the machine. Check by pulling the
bit; if the bit can be removed, repeat the above procedure until
secure.
To remove a bit from the chuck, pull the chuck collar back, and pull
firmly on the drill bit.
WARNING:
Never fit any attachment with a maximum speed lower
than the no load speed of the machine.
Hammer Selection
The rotary hammer can be used in either hammer drill mode (for
masonry work), or conventional rotary drill mode (for wood, metal,
plastics etc.) with a standard chuck to SDS Plus adaptor.
To select hammer drilling mode, depress the mode selector release
button (3) on the mode selector (2) and align the mode selector with
the
symbol.
To select rotary drilling mode, depress the button on the mode
selector release button on the mode selector and align the mode
selector with the symbol.
Do not attempt to move the mode selector whilst the rotary hammer
is running.
Trigger Switch
Always hold the rotary hammer firmly using both hands.
To start the rotary hammer, squeeze the trigger switch (8).