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1. Work place.
a) Keep your work place clean and tidy. Untidiness and bad lighting
can cause accidents.
b) When using the pipe milling machine, keep child and other per-
sons at a safe distance away. If your mind is diverted, you might
lose control of the pipe milling machine.
2. Electrical safety.
a) The electrical connection must not be changed in any way.
b) Protect the connection cable from heat, oil, sharp edges or
moving parts. Connection cables that are damaged or tangled
increase the risk of an electric shock.
3. Safety when handling compressed air.
a) Check the compressed-air supply at regular intervals. Protect
the hose from bending, squeezing, heat and sharp edges. Tighten
the hose clamps. Make sure that damaged hoses and couplings
are repaired immediately. If the air supply is defective, the com-
pressed air hose can suddenly toss around and cause injuries.
Dust and chippings flying up in the air can cause eye injuries.
4. Personal safety and safety of others.
a) Pay particular attention, be sure of what you are doing and
tackle the work you are going to do with your pipe milling
machine in a sensible manner. Do not use the pipe milling
machine if you are tired or under the influence of drugs, alcohol
or medication. One minute of carelessness whilst using the pipe
milling machine can cause serious injuries.
b) Wear the following protective items above all things. Wearing
protective items such as protective glasses (wear at all times!),
dust mask, sturdy shoes that do not slip, a helmet or ear protec-
tion, depending on the job to be done using the pipe milling
machine, reduces the risk of injuries.
c) Prevent the machine from starting unintentionally. Make sure
that the main switch on the switchgear combination, the auxili-
ary switch or the ball valve are in the “OFF” position before you
connect the pipe milling machine to the electric mains or com-
pressed-air supply. If you connect the pipe milling machine to
the electric power or compressed-air supply whilst it is switched
on, this can cause accidents.
d) Remove the adjusting tools and the wrench before you switch
the pipe milling machine on. A tool or wrench that has been left
on a rotating part of the pipe milling machine can cause injuries.
e) Do not over-estimate yourself. Make sure you have a firm
stance and can keep your balance at all times. In this way you are
able to control the pipe milling machine better if anything unex-
pected happens.
f) Wear suitable clothing. Do not wear any baggy clothes or jewel-
lery. Keep your hair, clothing and gloves away from any moving
parts. Loose clothing, jewellery or long hair could get caught in
the moving parts.
5. Application.
a) Do not overload the pipe milling machine. Use the correct cut-
ting tool for your work. With the correct cutting tool you can
work better and more safely.
b) Do not use a pipe milling machine that has a defective switch or
ball valve. A pipe milling machine that can no longer be switched
on or off is dangerous and must be repaired.
c) Disconnect the power supply before you undertake any adjust-
ments to the machine or change the cutting tools. This precau-
tionary measure prevents the pipe milling machine from starting
unintentionally.
d) Do not allow anyone to use the pipe milling machine who is not
familiar with it and has not read these instructions. Pipe milling
machines are dangerous if they are used by inexperienced per-
sons.
e) Service the pipe milling machine at regular intervals. Thoroughly
examine the pipe milling machine for any possible incorrect
alignment, check the correct fixation of the moving parts and
that no other parts are damaged, and any other factors that
could impair the operation of the pipe milling machine. A faulty
pipe milling machine should be repaired before using it. A large
number of avoidable accidents are caused by pipe milling machi-
nes that have been badly kept.
f) Keep the cutting tools sharp and clean. Cutting tools with sharp
cutters that have been carefully looked after are less likely to jam
and easier to guide.
g) Use the pipe milling machine, the accessories as well as cutting
tools according to the instructions in this manual, whereby the
working conditions and the activities to be carried out are to be
taken into consideration. The use of pipe milling machines for
applications different from those intended could result in hazar-
dous situations.
Special safety instructions for pipe milling machines.
Risk of injury
Only transport the pipe milling machine with hoisting gear.
The national regulations for the prevention of accidents must be
complied with when starting up, using and servicing the pipe milling
machine.
The Explosion Protection Guidelines of the Professional and Trade
Associations are to be observed at all times!
6. Electric pipe milling machines (type RSG (**)).
The mains voltage must agree with the voltage specification on the
pipe milling machine.
The connection for the pipe milling machine must have a fuse pro-
tection of 16 amperes.
Check the mains cable and if applicable, the extension cable at regu-
lar intervals!
Only connect the pipe milling machine to the switchgear combina-
tion when the main switch is turned OFF.
The switchgear combination must be accessible for the operator at
all times.
7. Pneumatic pipe milling machines (type RDG (**)).
The maximum pressure for the pipe milling machine is 6 bar.
Only connect the pipe milling machine to the compressed-air sup-
ply when the ball valve is closed.
Method of functioning (see Fig. A).
The pipe milling machine cuts and machines pipe walls using chip-
removing cutting tools. It is clamped onto the outer surface of the
pipe using the clamping gear and runs around the pipe with a self-
actuating advancement. The tools used are metal circular saw blades
and profiling cutters with HSS steel or hard metal cutters, depen-
ding on the what the pipe is made of.
The setting for the cutting depth is made using the tool spindle hol-
der (16) that is pivot-mounted in the two side plates (3), and can be
adjusted by the threaded spindle (6).
The transport shaft (22) that causes the working advancement via
the transporting wheels, is driven by the tool spindle via 2 worm-
gear levels.
A slipping coupling protects the advancement gear against overload.
The bearing of the tool spindle is of a particularly rigid design. The
main gear, lubricated by an oil-bath, for driving the tool spindle con-
sists of a planetary and worm-gear level.
The gear is dimensioned in such a way that no damage is caused if
the chain should occasionally come to a halt. All gear shafts run in
roller bearings.
!
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