Mooney M20B - Page 86

i,,,,,:
d
’C
ntovBI;E
CPLUSE
REMEIIY
Open
circuit.
Repair,
Excessive
voltage
drop
br Cht~k
voltage
at
pitot
heah
tween
battery
and
pitot
head.
’iieating
element
burned
I-Replacepitothead
out.
TURN AND BANK
Pointer
fails
to
respond
E~oreign
Patter
lodged
Replace
instnunen~
in
instnunent.
No
electric
circuit. Check
for
voltage
at
instnunent.
Incorrect
sensitivfty.
Misadjustment
of
sensi-
Adjust
by
means
of
sensitivity
spring
tivity spring.
screw.
If this
pulls
the
pointer
from
zero,
replace
instrument.
Pointer
does
not set
on
%imbal
and
rotor
assembly
Replace
instrument
zero.
out
of
balance.
Pointer
incorrectly
set
on
Replace
instnunent.
its staff.
Sensitivity adjustment
Replace
instn~ment.
pulls pointer
off
zero.
Vibrating pointer.
Gimbal
and
rotor
assembly
Replace
instrument.
out
of
balance.
Fitted
or
worn
pivots
or
Replace
instrument
bearings.
In
low’temperatui-e,
point-
Oil
has
become
too thick
Replace
i~tnunent.
er
fails
to
respond
or
does
so
sluggishly
and with
in-
Insufficient
bearing
I Replace
instrument.
sufficient deflection
clearing. I
´•cr
Pointer
sluggish
in
return-
Oil
or
dirt
detvreen
damp-
Replace
instnrment.
ing
to
zero
and
does not
ing
pistons
and
cylinders.
set
on zero
when sation-
ery.
Excessive
clearance
be-
Replace
instrument.
tween
rotor
and
rotor
pivots.
inclinometer
does
not
~nstiument
out
of‘
align-
Correct
alignment.
center.
ment
on
panel.
-71-
OLDWILLWAYNE