Zlin Aviation
Section 1
Maintenance Manual Aircraft Maintenance Manual
Issued: 01/02/2006
QAP-AMM-Rev02
Date of latest Revision: 23/01/2013
Page Number: 1-55
1.9.3 INSPECTION AND OPERATION CHECKS OF ELECTRICAL SYSTEM
Inspect equipment, electrical assemblies, and wiring installations for damage, general condition,
and proper functioning to ensure the continued satisfactory operation of the electrical system.
Adjust, repair, overhaul, and test electrical equipment and systems in accordance with the
recomendations of our scheduled maintenance intervals.
Replace components of the electrical system that are damaged or defective with identical parts, with
Zlin Aviation’s approved equipment.
A list of suggested problems to look for and checks to be performed are:
Damaged,
discolored, or overheated equipment, connections, wiring, and installations.
Excessive heat
or discoloration at high current carrying connections.
Misalignment
of electrically driven equipment.
Poor electrical bonding
(broken, disconnected or corroded bonding strap) and grounding,
including evidence of corrosion.
Dirty equipment
and connections
Improper, broken,
inadequately supported wiring and conduit, loose connections of
terminals, and loose ferrules.
Poor mechanical
or cold solder joints.
Condition of circuit breaker
and fuses.
Insufficient clearance
between exposed current carrying parts and ground or poor
insulation of exposed terminals.
Broken or missing safety wire,
broken bundle lacing, cotter pins, etc.
Operational check
of electrically operated equipment such as motors, inverters, generators,
batteries, lights, protective devices, etc.
Ensure
that ventilation and cooling air passages are clear and unobstructed.
Voltage check
of electrical system with portable precision voltmeter.
Condition
of electric lamps.
Missing safety shields
on exposed high voltage terminals (i.e., 115/200V ac).