CHAPTER 77
PAGE 5
MAINTENANCE MANUAL EXTRA 300LT
PAGE DATE: 24. February 2017
77-10-00 POWER
77-10-10 RPM
Engine speed data in the EXTRA 300LT is obtained from the
ignition switch. The tachometer is located in the rear
instrument panel and requires electrical supply bus voltage.
77-10-11 Tachometer
Removal/Installation
Refer to Chapter 31.
77-10-20 Manifold Pressure (MAP)
The manifold pressure sense line is connected to the air inlet
of cylinder no. 5 (rear right-hand), refer to Figure 1. It is a
wet line consisting of two parts divided by the firewall.
To protect the instrument from fuel vapor a sintered bronze
filter is placed in the hose connection to the MAP gauge as
outlined in Figure 2.
Figure 2 Sintered Bronze Filter Location