Page 202 2
nd
Edition – Rev 0
31-10
INDICATING SYSTEM –MAINTENACE PRACTICES
The following indicators belong to the type in subject:
Turn coordinator
Directional gyro indicator
Vertical speed indicator
Altitude indicator
Horizon
Airspeed indicator
ADF indicator
VOR/ILS Indicator
Fuel pressure indicator
Chronometer
Amp-meter
Set electric MASTER switch OFF
Remove the instruments panel upper cover
Remove all instrument hoses and connections
Unscrew the attaching screws which fix the instrument to the
aluminum panel
Hold firmly the
instrument by hand
during removal
Clear the instrument of the instrument panel
Place into position the new/overhauled unit in correspondence
of the instrument panel cut-out
Install the attaching screws which fix the instrument to the
aluminum panel
Hold firmly the
instrument by hand
during installation. Do
not over tighten
screws to avoid
instrument case
damage
Install all instrument hoses and connections removed at step 5.
Install the instruments panel upper cover