TM 11-6660-200-14
ORGANIZATIONAL TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Windspeed and direction indications erratic or incorrect.
Step 1.
Check P402 and J402 or direct wiring to TB201 for defective connections.
Solder or tighten all connections.
Step 2.
Check wires and connections at transmitter connector J1 for looseness,
corrosion, or breaks.
Step 3.
Check each wire of interconnection cable from transmitter to indicator
for continuity.
Repair or replace (para 4-8, 4-9, 4-13, or 4-16).
4. Windspeed indicator shows lower readings than actual windspeed, wind direction indi-
cator functioning properly.
cover or bearing.
a. Replace generator cover (para 4-30).
b. Refer to higher category of maintenance.
5. Windspeed indicator shows higher readings than actual windspeed, wind direction indi-
cator functioning properly.
Check for defective R201, 2300 resistor.
Refer to higher category of maintenance.
6. Windspeed indicator shows erratic or no readings, wind direction indicator function-
ing properly.
Step 1.
Check P402 and J402 or direct wiring to TB201 for defective connections,
Solder or tighten all connections.
Step 2.
Check blue jumper wire 4-15 from term inal 7 to terminal 8 on TB201 for
looseness or frays.
Tighten or replace wire.
4-33
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