2-9. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
Table 2-1. Unit Level Preventive Maintenance Checks and Services (PMCS) (CONT).
Item to Be
Check all exhaust pipes (3) and clamps for
damage or looseness. Check for evidence of
exhaust leaks at connections. Replace
damaged exhaust parts. Tighten loose
connections (Para 8-23).
Replace primary (4) and secondary (5)
fuel filters every 250 hours or semiannually
(Para 8-18 and 8-19).
Any Class III leak is