Preparations before starting
Check the drilling equipment
♦
Check that all of the drilling equipment is in good
condition.
♦
Check that the impact surface of the drill steel
shank is flat, with no signs of wear.
♦
Make sure that the air inlet and exhaust ports are
free from obstructions.
♦
Check that the flushing holes in the drill steel and
drill bit are not blocked, and that the flushing air
and water flows through without obstruction.
♦
Make sure that the air filter (located in the air
nipple) is clean and not torn or distorted.
♦
Ensure that the fittings are tight and leak-proof.
DANGER Whipping air hose
A compressed air hose that comes loose can lash
around and cause personal injury or death
► Check that the compressed air hose and the
connections are not damaged.
► Check that all compressed air connections are
properly attached.
Blow out the air hose
♦
Every day before using the drill, blow out the air
hose to clear it of accumulated dirt and moisture.
Fill the lubricator with oil
♦
Check that the chuck and insertion tool shank are
always covered with a film of oil.
Attaching the pusher leg to the rock drill
The pusher leg must be fixed to the rock drill by
means of the bayonet coupling.
Controls
Throttle lever
BBC 16W/WS, BBC 34W/WS
BBC 34WTH
The rock drill is equipped with a throttle lever for
regulating both the compressed air to the percussion
mechanism and the flushing water.
A. Throttle valve closed (stop position).
Blow-cleaning only.
B. Air to pusher leg.
C. Flushing water.
D. Air to percussion mechanism.
E. Throttle lever fully open (full throttle).
F. Extra blowing.
© 2012 Atlas Copco Construction Tools AB | No. 9800 0627 71f | 2012-06-30
Original instructions
18
BBC 16W, 16WS, 34W, 34WS, 34WTHSafety and operating instructions
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