Cowl Flap Transmission And Sender Assembly - Piper Navajo PA-31 Service Manual

PIPER NAVAJO SERVICE MANUAL
1 MOTOR, FLAP
1098A
2. EXTENSION, ARM
3. COUPLING
4. COVER, TRANSMISSION
5. TUBE. TRANSMISSION
16
6. SCREW, TRANSMISSION
7
BRACKET, MOUNTING
8. TRANSMISSION
9. ROD, TUBE
10 . B O L T A S S E M B L Y
11.TUBE, TORQUE
12. ROD, COWL FLAP
32
5
13. BOLT
14. BLOCK. BEARING
15. ARM, TORQUE TUBE
12
16. SENDER
17 BOLT ASSEMBLY
|
18. SHAFT, SENDER
19. ARM, SENDER
20. BOLT, PIVOT
12
21 ROD
22. ROD END
1
23. NUT. LOCK
SKETCH A
_
24. SOLENOID MOUNTING BRACKET
25. ROD. MOTOR BRAKE SUPPORT
26. LINK, BRACKET ATTACHMENT
27 WASHER AND NUT
28. PLUNGER, BRAKE SOLENOID
29. SPRING, SOLENOID PLUNGER
30. SOLENOID, MOTOR BRAKE
31 SUPPORT ASSEMBLY
32. SET SCREW
Figure 8-2.
Cowl Flap Transmission and Sender Assembly
8-14. RIGGING AND ADJUSTMENT OF COWL FLAP POSITION
SENDER. (Refer to Figure 8-2.)
a.
Remove the access plate located on top of the engine nacelle aft of
the firewall.
b.
Ascertain that there is approximately 4.75 inches between the center
of the pivot bolt (20) on
the sender arm (19) and the rod hole in the torque tube
arm by adjusting pivot bolt on the rod that
connects the two arms.
c.
Ascertain that the cowl flap is properly adjusted per Paragraph
8-11.
d.
With the sender arm (19) free to rotate and the cowl flap
door aligned with the bottom cowl,
rotate the sender shaft, as viewed from the shaft end, in a
clockwise direction to its stop position.
e.
Turn on the master switch. A minimum of 28 volts must
be supplied to the electrical system
when making this adjustment.
f.
Rotate the sender shaft slowly counterclockwise, when viewed
from the shaft end, until the flap
indicator on the instrument panel reads flap closed. Tighten
the arm on the sender shaft.
g.
Operate the flap to the open and close positions and observe
the indicator reading. Indicator
pointer should travel to both opened and closed position on the indicator dial.
h.
Install the access plate.
8-15. PROPELLER.
Revised: 1/29/82
POWER PLANT
2H14