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SAFETY
INFORMATIONS
Maintenance
OPERATION AND MAINTENANCE INSTRUCTION MANUAL
HBR204-MU-6-eng.doc
THIS DOCUMENT IS THE PROPERTY OF HÜETTE BOHRTECHNIK GMBH - TOTAL OR PARTIAL REPRODUCTION IS PROHIBITED
Chain
The chain for the movement of the rotation head must be checked at least weekly. It must be
replaced when it shows signs of corrosion, when it is unevenly worn, or when it has reached
itts maximum limit of lengthening.
(
☞
"MAINTENANCE
– Checking and tightening head movement chain")
The chain must always be kept at the proper tension.
WARNING!
Breakage of the chain, especially with the mast vertical, can cause damage to the
machine and personal injury.
Use of welders
WARNING!
It is extremely dangerous, and therefore prohibited, to flame cut, flame weld or
electrically weld containers or pipes that contain or have contained flammable liquids. If
in doubt do not cut or weld the part in question but in any case always wash it out
beforehand with non-flammable solvents (wear a mask during this operation). It is
prohibited to cut or weld in areas of the machine where there is the risk of fire.
The use of electrical welders may damage the machine instrumentation or other electrical and
electronic equipment of they are powered. It is advisable to disconnect the power supply
battery by taking the key out of the ignition.
For machines equipped with a battery selector, switch to the OFF position.
Connect the welding machine earth cable as close as possible to the welding area.
