Extra 300/SC - Page 232

CHAPTER 31
PAGE 6
MAINTENANCE MANUAL EXTRA 300/SC
PAGE DATE: 1. August 2014
Maintenance Practices
I M P O R T A N T If replacement of the manifold, fuel, and oil pressure
lines inside the engine department is necessary.
The instruments can be removed in either the way described
in Chapter 34 (f.e. altimeter removal/installation), if the
instruments are to be removed in firewall direction, or in
Chapter 28 (fuel quantity indicator removal/installation) if
the instruments are to be removed in cockpit direction. The
removal/installation procedures of the switches and circuit
breakersyou find in Chapter 24.
N O T E In case of extensive maintenance work it is advisable to
remove the main fuselage cover for better access to the
instruments.
Removal/Installation
1 Unscrew the upper instrument panel attachment screws.
2 Remove the main fuselage cover.
3 Disconnect the battery.
4 Disconnect pressure and pitot/static lines, electrical wiring
and ground bonding leads from the instruments and the
switches.
5 Remove all circuit breaker attachment nuts on the cockpit
side of the instrument panel.
6 Remove the mounting bracket attachment bolts and remove
the mounting bracket.
7 Remove the instrument panel attachment screws and remove
the instrument panel.
8 Fasten the the busbar with the circuit breakers to the upper
fuselage tubing by adhesive tape if applicable.
9 Reverse procedure for installation.