Page 201 2
nd
Edition – Rev 0
24-10
POWER GENERATION – MAINTENANCE PRACTICE
1. MAINTENANCE PRACTICES: GENERAL RULES
This section provides safety precautions and general maintenance practices to be observed
when working on electrical or electronic systems and components.
1. Always ground the aircraft before working.
2. When working on electrical systems, make sure that the system is isolated: do
not operate on a system when it is activated unless otherwise specified.
3. Do not use the circuit breakers as ON/OFF switches unless otherwise specified.
4. Do not remove/install a component before checking that it is isolated.
5. Only use suitable insulated tools before testing operating systems.
6. Connectors must be protected from damage during maintenance: cap them with
dust covers.
7. If needed, renew wire markings: they have to be clearly identified.
Inspection and/or checking of the electrical system and components shall be conducted in
accordance with inspection intervals addressed on Chapter 05 and when a closed area is
opened for other maintenance purposes. Following inspections are applicable:
1. Check electrical wiring for chafing and cuts.
2. Check wire clamps and supports for security of installation.
3. Check wiring clearance from sharp metal edges.
4. Check electrical bonding for security of installation.
5. Check terminal connections and lugs for condition
6. Check electrical equipment for security of installation and condition, Check for
evidence of overheating.
Cleaning of electrical equipment to remove dust, dirt, and grime is strongly recommended.
Make reference to Chapter 92 for wiring maintenance instructions.
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