
ORIGINAL OPERATING INSTRUCTIONS
DD 350-CA core drilling machine
It is essential that the operating instructions
are read before the machine is operated for
the first time.
Always keep these operating instructions to-
gether with the machine.
Ensure that the operating instructions are
with the machine when it is given to other
persons.
Contents Page
1 General information 21
2Description 22
3 Technical data 24
4 Safety instructions 25
5 Preparation for core drilling 28
6 The core drilling operation 31
7 Care and maintenance 35
8 Troubleshooting 35
9Disposal 36
10 Manufacturer’s warranty 37
11 EC declaration of conformity (original) 37
1These numbers refer to the illustrations. You can
find the illustrations at the beginning of the operating
instructions.
In these operating instructions, the designation “the ma-
chine” always refers to the DD 350-CA diamond core
drilling machine.
Core drilling machine 1
@Control panel and display
;Carrying bar
=Type identification plate
%Grip protrusion
&Water drainage plug
(3-way valve
)Chuck
+Connector
§Supply cord guide
/Water connection
:Water flow regulator
·Supply cord with PRCD (ground fault circuit inter-
rupter)
Control panel and display 2
@Gear selector
;Drilling performance indicator
=Temperature monitor / ground fault indicator
%“On” switch
&“Off” switch
(Rebar button (Iron Boost)
)Service indicator
Vacuum base plate (accessory) 3
@Vacuum release valve
;Vacuum hose connector
=Vacuum seal
%Pressure gauge
&Wheel assembly mounting point
(Leveling screws (4×)
DD‑HD 30 drill stand (accessory) 4
@End stop with rail end cap
;Leveling indicator (2×)
=Carriage
%Carrying grip (2×)
&Brace
(Leveling screw (3×)
)Wheel assembly mounting point
+Base plate
§Rail
/Carriage lock
:Eccentricpin(forsecuringthemachine)
·Hand wheel
$Anchor position
£Reduction gearing (1:3)
|Direct drive (1:1)
¡Type identification plate
QHole center indicator
Drill stand fastening set (accessory) 4
WClamping nut
EAnchor spindle
Water collection system (accessory) 4
RSeal
TWater collector
ZWater collector bracket
en
20
Printed: 07.09.2015 | Doc-Nr: PUB / 5209045 / 000 / 02