Atlas Copco PowerROC T30 E

Operator’s instructions
4. Control
43
Figure: Electrical control box
Tabl e: Electrica l control box
1Emergency stop
2Work lights
3Signal Horn
4Sleeve retainer, closing/opening
5Upper drill steel support, closing/opening (only with RAS)
6Switch, percussion pressure
aFULL PERCUSSION PRESSURE/DRILL FEED
PRESSURE
bAUTOMATIC CONTROL OF PERCUSSION PRESSURE
(normal drilling conditions)
cREDUCED PERCUSSION PRESSURE/DRILL FEED
PRESSURE (used when collaring)
7Switch, dust collector and flushing air
aFLUSHING AIR ON (device for screw-cutting oil activated
when water flushes up out of the hole)
bZERO (filter cleaning on/flushing air off/device for screw-
cutting oil off/dust collector off/threading on
cDUST COLLECTOR ON
dDUST COLLECTOR ON/FLUSHING AIR ON (device for
screw-cutting oil activated)
8Suction hood, up/down
a
b
c
a
b
c
d
1
2
34
5
6
78
9