MD Helicopters MD Explorer - Anti-Torque System Troubleshooting

CSP−900RMM−2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 102
Original
18-00-00
2. Anti−Torque System Troubleshooting
The following troubleshooting procedures are a
brief summary of anti-torque system faults,
which may be encountered (Ref. Table 102).
Troubleshooting tables should be used with
system schematics, electrical wiring diagrams,
serviceability checks and other detailed
procedures in this and other chapters of the
manual.
Table 102. Anti−Torque System Troubleshooting
Fault Probable Cause Corrective Action Ref. Section
Unusual, excessive or high
frequency vibration.
Damaged fan blade, worn
bearings, damaged fan blade
tension−torsion straps, or
missing balance studs.
Inspect and replace damaged
components.
64−30−00
Erratic balance readings. Incorrect azimuth to sensor
gap.
Verify azimuth sensor gap. 64−30−00