The KPK-4 test bench system auto checks and measures the electrical parameters of the following components from the AP-34B autopilot:

  • autopilot AP-34B ser. 2:
    • control unit (AU)
    • control panel (PU)
    • force-balance sensor (KD)
    • trim indicator (IN-4)
    • amplifier unit (BUNPP 1479)
    • filter unit (BF-34))
    • coupling unit (BS-34)
    • ready signal unit (BSG)
    • amplifier 1602
    • servo amplifier 9A2.032.022
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