Piper Navajo PA-31 Service Manual page 673

PIPER NAVAJO SERVICE MANUAL
TABLE X-II. TROUBLESHOOTING
CHART (INSTRUMENTS) (cont.)
Trouble
Cause
I
Remedy
MAGNETIC COMPASS (cont.)
Defective light.
Burned out lamp or
broken circuit.
Check lamp or continuity
of wiring.
EXHAUST GAS TEMPERATURE
Gauge inoperative.
Fluctuating reading.
Defective gauge, probe or
wiring.
Loose, frayed or broken
electrical lead.
Isolate defective circuit,
replace defective probe
or gauge.
Tighten connections, and
repair or replace defective
leads.
Reissued: 10/12/79
INSTRUMENTS
3E11