Safety12Operator's controlsAlways keep the operator's controls of the machine dry, clean and free of oil orgrease.Operating elements such as ON/OFF switch, gas handles etc. may not belocked, manipulated or changed without authorization.Checking for signs of damageInspect the machine when it is switched off for any signs of damage at least onceper work shift.Do not operate the machine if there is visible damage or defects.Have any damage or defects eliminated immediately.3.2 Qualification of the operating personnelOperator qualificationsOnly trained personnel are permitted to start and operate the machine. The fol-lowing rules also apply: You are physically and mentally fit. You have received instruction on how to independently operate the machine. You have received instruction in the proper use of the machine. You are familiar with required safety devices. You are authorized to start machines and systems in accordance with thestandards governing safety. Your company or the operator has assigned you to work independently withthis machine.Incorrect operationIncorrect operation or misuse by untrained personnel can endanger the healthand safety of the operator or third persons and also cause machine and materialdamage.Operating company responsibilitiesThe operating company must make the operator's manual available to the oper-ator and ensure that the operator has read and understood it.