Anti-Torque System Troubleshooting - MD Helicopters MD Explorer Servicing And Maintenance

CSP−900RMM−2
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).
Fault
Unusual, excessive or high
frequency vibration.
Erratic balance readings.
Page 102
Original
MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Table 102. Anti−Torque System Troubleshooting
Probable Cause
Damaged fan blade, worn
bearings, damaged fan blade
tension−torsion straps, or
missing balance studs.
Incorrect azimuth to sensor
gap.
18-00-00
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.
Corrective Action
Inspect and replace damaged
components.
Verify azimuth sensor gap.
Ref. Section
64−30−00
64−30−00