5-45 100-Hour / Annual Maintenance and Inspection [9 of 25 Pages]
BAGGAGE COMPARTMENT (continued)
Interior:
Inspect condition. Verify no structural damage. Verify general cleanliness of baggage
compartment. Verify any installed equipment or passenger cargo are secure.
Generator Control Unit (GCU) & Wiring:
Inspect condition. Verify no exposed, loose, chafed, or broken, wires or terminals.
Verify proper installation and security of wiring covers and Generator Control Unit
(GCU).
BATTERY (When installed in baggage compartment)
Battery:
Inspect condition. Verify no cracks or corrosion on or near battery cable terminals. As
required, perform capacity test or replace battery per manufacturer’s instructions. Verify
battery cable security. Verify no corrosion in surrounding structure.
MAIN ROTOR GEARBOX COMPARTMENT
Cowling Doors:
Inspect condition. Verify proper operation of fasteners.
Antenna Wiring & Connectors:
Inspect condition. Verify no loose, chafed, frayed, or broken wires. Verify no damaged
connectors. Verify neatness, proper routing and installation, and security. Check
grommets for proper installation.
Placards:
Verify placard legibility, proper installation, and security. Refer to Chapter 11.
Fuel Tank:
Examine accessible portion with inspection light and mirror. Inspect condition of
exterior and verify no leakage. Check bladder interior for foreign objects or debris.
Verify security.
Fuel Gage Sender & Wiring:
Inspect condition. Verify no loose, chafed, or broken, wires or terminals. Verify
proper installation and security of sender and wiring.
Low-Fuel Switch Assembly Warning:
Turn BATTERY switch ON. With a clean wooden dowel, gently depress low-fuel
sender float in fuel bladder and verify LOW FUEL warning segment illuminates after
approximate 1-second delay. Turn BATTERY switch OFF.
Fuel Cap:
Inspect condition. Verify no damage or deterioration of gasket. Install cap and verify
proper locking function. Verify security.
Fuel Tank Rollover Vents:
Inspect condition. Inspect Tygon® tube for defects, tears, or material deterioration.
Verify proper safety wire installation and security. Verify 0.25 inch minimum clearance
between cable assembly and vent assembly Tygon® tube; adjust cable as required.
Verify no obstructions in vents.
SEP 2012 R66 Maintenance Manual Chapter 5 Inspection Schedule Page 5.21
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