Textron Bell 206L3 - PART I: INVESTIGATE CAUSE OF COMPRESSOR STALL OR SURGE; POWER PLANT

BHT-206L3-MM-1
5-00-00
Page 180 Rev. 21 7 JUN 2013 Export Classification C, ECCN EAR99
PART I: INVESTIGATE CAUSE OF COMPRESSOR
STALL OR SURGE
POWER PLANT
Rolls-Royce 250-C30
Series Operation and
Maintenance Manual,
14W2
1. Examine the induction fairing for blockage. If the induction
fairing is found obstructed, refer to appropriate Rolls-Royce
Operation and Maintenance Manual for further maintenance
action. If no blockage is found, do step 2.
2. Remove the induction fairing and examine the compressor
intake area as follows:
• The compressor rotor for contamination. If
contamination is found, perform a compressor wash.
Refer to applicable BHT-206L3-MM-9, Chapter 71.
• Inspect compressor rotor for foreign object damages in
accordance with appropriate Rolls-Royce Operation
and Maintenance Manual for proper action.
3. If step 1 and step 2 do not reveal an obvious cause for stall
or surge, refer to appropriate Rolls-Royce Operation and
Maintenance Manual for further maintenance action.
CONDITIONAL INSPECTIONS
5-57. ENGINE COMPRESSOR STALL OR SURGE (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER