Textron Bell 412, Maintenance Manual

Page: 78 / 288

BHT-412-MM-2
5-00-00
Page 46
Rev. 25 7 NOV 2016 Export Classification C, ECCN EAR99
Every third 100 hour inspection (300 hours) or 12 months:
1. Inspect engine fuel and power controls:
a. Engine control linkages for looseness, lost motion,
chafing, damage, and security of attachment.
b. Bellcranks, mounts, and jackshafts for looseness,
damage, and security of attachment.
Every sixth 100 hour inspection (600 hours) or 12 months:
NOTE
Maximum N
G
topping check is not applicable to Pratt
& Whitney PT6T-9 engine.
Pratt & Whitney
Canada PT6T-3
Series Maintenance
Manual 1. Perform maximum N
G
topping check.
Chapter 96 ELECTRICAL SYSTEM
1. Check inverters for security of mounting and connections.
2. Check generator control units for damage and security of
mounting and terminals.
3. Inspect all exposed wire bundles, bundle supports, and
connectors for damage, corrosion, and security. Pay particular
attention to engine deck connectors and harnesses.
4. Inspect relays and main bus area for security of mounting
and connections.
5. Inspect bus insulation for damage and condition.
Chapter 95 INSTRUMENT SYSTEMS
NOTE
Following checks are required every 12 months only.
SCHEDULED INSPECTIONS
5-6. 100 HOUR/12 MONTH INSPECTION — PART A (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER