Bell 206L4 Maintenance Manual page 200

BHT-206L4-MM-1
5-54. OVERTORQUE (CONT)
DATA REFERENCE
Rolls-Royce 250-C30
Series Operation and
Maintenance Manual,
14W2
5-00-00
Page 164 Rev. 18 7 JUN 2013
CONDITIONAL INSPECTIONS
INSPECTION TASK DESCRIPTION
The overhaul inspection criteria in the specific
sections, including limit charts and other pertinent
information, should be used to establish that the
detail parts in each assembly are dimensionally
within limits and have not yielded or become
deformed.
1. If an overtorque above 120% occurs, accomplish all
inspections required for overtorque — 110 to 120% and in
addition, conduct following inspection:
a. Main Rotor Hub. Remove and overhaul in accordance
with the conditional inspection criteria.
b. Main Rotor Mast. Remove and overhaul.
c. Main Transmission. Remove and overhaul. Replace top
case of main transmission and transmission link attachments.
During overhaul, inspect gear patterns for shifting and scuffing.
d. Main driveshaft. Remove and visually inspect.
e. Freewheel assembly. Remove and overhaul.
2. Refer to the Rolls-Royce 250-C30 Series Operation and
Maintenance Manual, 14W2 for applicable inspection.
3. After the first 25 hours following an overtorque, conduct a
thorough visual inspection of the following:
a. Main rotor blades and attachments.
b. Main rotor hub assembly.
c. Main rotor mast.
d. Transmission top case.
NOTE
Export Classification C, ECCN EAR99
INITIAL
MECH OTHER