Piper Navajo PA-31 Service Manual page 648

DUAL REGULAR
PIPER NAVAJO SERVICE MANUAL
1235 A
DUAL REGULATOR
EMPINMAGE
BOOTS
On serial nos. 31-7612019
and up,
pneumatic source malfunction is
Indicated not at the gauge but rather at
the pneumatic source malfunction lights
on the left instrument panel.
PNEUMATIC
PRESSURE SWITCH
1248 B
Figure 10-4. Single or Dual Attitude and Directional Gyro Installation
With Deicer Boots
INSTRUMENTS
Revised: 3/11/81
3D10