Piper Cherokee Six - Page 517

PIPER
CHEROKEE
SIX
SERVICE
MANUAL
9-51.
TROUBLESHOOTING.
TABLE
IX-X.
ENGINE
OIL
PRESSURE
GAUGE
Trouble
Cause
Remedy
Excessive
error
at
zero.
Excessive
scale
error.
Excessive
pointer
oscillation.
Sluggish
operation
of
pointer
or
pressure
fails
to
build
up.
Pointer
loose
on
shaft.
Overpressure
or
seasoning
of
bourdon
tube.
Improper
calibration
adjustment.
Air
in
line
or
rough
engine
relief.
Engine
relief
valve
open.
Replace
instrument.
Replace
instrument.
Disconnect
line
and
fill
with
light
oil.
Check
for
leaks.
If
trouble
persists,
clean
and
adjust
relief
valve.
Clean
and
check.
9-52.
REMOVAL
AND
REPLACEMENT.
Refer
to
Paragraph
9-76
of
this
section.
9-53.
FUEL
PRESSURE
GAUGE.
9-54.
GENERAL.
The
fuel
pressure
gauge
instrument
is
mounted
in
the
cluster
on
the
instrument
panel.
This
gauge
is
connected
to
the
fuel
system
at
the
carburetor
fuel
inlet
fitting.
INSTRUMENTS
Issued: 8/17/72
2L1