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PIPER CHEROKEE WARRIOR SERVICE MANUAL
b. Disconnect lead wires at instrument and measure. Resistance with lead wires connected to probe
must be 3.3 ohms. Clean connections with steel wool before assembly.
c. With leads connected to instrument, heat probe with propane torch to dull red. Meter must read up
to fourth graduation or approximately 1500°F. Before check, make sure adjustment screw, at rear of instrument
case, is in center of its travel. If screw is turned to either end of full travel, it will shut instrument off and no
reading will be shown on pointer. If meter still does not read, replace it.
Figure 10-10. Exhaust Gas Temperature Probe Installation
Added: February 28, 1995
2C24
Island Enterprises
INSTRUMENTS
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