IGNITION SYSTEM
TTP Cessna 172 Cat.B1 Level -3 ATA05 Ignition System Cat.B2 Level -3 Engine uses two Unison/Slick 4371 series, impulse-coupled magnetos to fire two spark plugs in each cylinder. Lycoming Direct Drive Engine Overhaul Manual, Lycoming Operators Manual, Lycoming Service Instruction 1437 Unison 4300/6300 Series Magneto Maintenance and Overhaul Manual. Inspection time requirements - Chapter 5, Inspection Time Limits. Inspection procedures - Unison 4300/6300 Series Magneto Maintenance and Overhaul Manual. PTP Cessna 172 B1 LOC FOT SGH R/I MEL TS B2 LOC FOT SGH R/I MEL TS 741001 Magnetos - Examine the external condition and for correct installation and condition of the electrical leads. Complete a check of the engine timing (external timing). 05-12-02 120 741002 Magnetos - Clean, examine, and adju...