2.1 SAFETY INSTRUCTIONS SAFETY G Replace hydraulic hoses within stipulated and appropriate intervals even if no safety-relevant defects have been detected. G Adhere to prescribed intervals or those specified in the Oper- ation,- Lubrication and Maintenance Manual for routine checks and inspections. G For the execution of maintenance work, tools and workshop equipment adapted to the task on hand are absolutely indis- pensable. G The personnel must be familiar with the location and opera- tion of fire extinguishers. G Observe all fire-warning and fire-fighting procedures. 18