Operator’s instructions
7. Drilling
76
12. Unscrew the shank adapter fully from the drill steel. Hold the rotation lever in
BACKWARD ROTATION position. Move the lever back to NEUTRAL once the
shank adapter has been unthreaded.
13. If a sleeve retainer is in use then it must now be opened.
14. Reposition the drill steel from drill centre to the carousel by moving the rod han-
dling lever forwards.
15. Rotate the carousel so that an empty position in the carousel is ready for the next
drill steel by quickly moving the rod handling lever to the left. Following which,
set the lever in neutral position.
16. Rapid feed down until the shank adapter stops directly above the sleeve in the drill
steel support by holding the lever for rapid feed in DOWN position. Following
which, set the lever in NEUTRAL position.
17. Thread the shank adapter into the sleeve by simultaneously holding the feed lever
in DRILL FEED position, and the rotation lever in DRILL ROTATION position.
When the shank adapter is threaded in the levers are set in NEUTRAL position.
18. Repeat steps 1 - 16 until only one drill steel remains.
Note
Observe caution when the drill bit is extracted from the hole so that it is not drawn
through the drill gasket.
Changing drill bit
N.B.
Never start percussion with the drill bit free without any resistance.
1. Operate the feeder until the spike is approx. 10 cm from the rock.
2. Make sure that the rotation lever is in neutral.
WARNING
•Moving parts
•Risk of personal injury, clothing can be
trapped
•Stop rock drill rotation when changing
bits
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