CSP-HMI-3MD Helicopters, Inc.
MAINTENANCE MANUAL
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Table 103. Instrument Troubleshooting (Cont.)
TOT Indicator
Indicator fails to operate. No
readings or intermittent readings.
Defective indicator Remove and replace indicator.
Loose wiring, disconnected
connector or defective ground
terminal
Check continuity through wiring and
connector. Repair as necessary.
Analog/Digital TOT Indicator
Indicator fails to operate. No
readings or intermittent readings
Defective indicator Remove and replace indicator.
Loose wiring, disconnected
connector or defective ground
terminal
Check continuity through wiring and
connector. Repair as necessary.
Engine Oil Temperature/Oil Pressure Indicator
Pressure indicator fails to
operate. No readings or
intermittent readings
Defective indicator Remove and replace indicator.
Loose wiring, disconnected
connector or defective ground
terminal
Check continuity through wiring and
connector. Repair as necessary.
No out put from oil pressure
transducer
Defective transducer Remove and replace transducer.
Oil temperature fails to operated.
No reading or intermittent reading
Open circuit in oil temperature bulb Remove and replace oil temperature
bulb.
Defective wiring Repair as necessary.
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