Piper Cherokee Six - Troubleshooting

PIPER CHEROKEE
SIX SERVICE
MANUAL
9-47. TROUBLESHOOTING.
TABLE IX-IX. TACHOMETER
Trouble
Cause Remedy
No reading on indica-
tor, either permanent
or intermittent.
Broken shaft. Replace instrument.
Loose cable connections. Tighten
cable.
Pointer oscillates
excessively.
Rough spot on, or
sharp bend in shaft.
Repair or replace.
Excessive friction in
instrument.
Replace instrument.
Indicator
changes
in
climb.
Pointer goes all the
way to stop, more
noticeable in cold
weather.
Excessive clearance in
speed cup.
Excessive lubricant in
instruments.
Replace instrument.
Replace instruments.
Pointer jumps at idle.
Tachometer cable breaks.
Speed
cup
hitting ro-
tating magnet.
Cable
bent too
sharply.
Replace instrument.
Reroute cable.
9-48.
REMOVAL AND
REPLACEMENT.
Refer to Paragraph
9-74 of this
section.
9-49. ENGINE OIL PRESSURE GAUGE.
9-50. GENERAL.
The oil pressure
gauge is mounted
in the cluster
on the instrument
panel. This
gauge will indicate the amount of
oil pressure available at the pressurized
engine oil passage.
INSTRUMENTS
Issued:
8/17/72
2K24