What must each system have when performing maintenance?

When performing maintenance on a system, having troubleshooting procedures in associated maintenance manuals is essential because it provides detailed steps to diagnose and resolve issues effectively. These procedures are critical as they guide the maintenance personnel on how to systematically identify problems, ensuring that they can address any malfunction efficiently and minimize downtime.

Troubleshooting procedures generally include diagnostic steps and recommended actions based on symptoms. This structured approach not only aids in identifying the root cause of issues but also helps in maintaining safety standards and operational integrity. Maintenance manuals serve as a comprehensive reference that details the system's components and how they should be properly serviced. By adhering to these troubleshooting guidelines, technicians are more likely to perform thorough checks and implement effective repairs, thus ensuring the system operates smoothly following maintenance.