Propeller Control Adjustment Diagram - Piper PA-44-180 SEMINOLE Maintenance Manual

6. Adjust governor control per the following paragraph.
7. Install engine cowl.
RIGGING AND ADJUSTMENT OF PROPELLER GOVERNOR. (S/n's 44-7995001 thru 44-8195026
and 44-8107001 thru 44-8207020.) (Refer to Figure 61-3.)
Figure 61-3. Propeller Governor
(Sheet 1 of 2)
1. Start engine. Park 90° to wind direction and warm in normal manner.
2 . To check the high rpm, low pitch setting, move the propeller control all the way forward. The governor
(speed) control arm should be against the high rpm (fine) adjusting screw. With the throttle full
f o rward, engine rpm should be 2700 rpm. If not, adjust the high rpm setting as follows:
A. Shut down the engine. Remove the upper engine cowl.
One revolution of the fine adjustment screw will increase or
decrease the engine speed approximately 20 rpm.
B. Using the (fine) adjustment screw, adjust the governor to 2700 rpm. Loosen the high rpm (fine
adjustment screw) locknut. Turn the screw clockwise to decrease engine speed or counterclock-
wise to increase engine speed.
C. Install upper engine cowl. Repeat step b to ensure proper rpm setting.
D. After completing the high rpm adjustment, run the self-locking nut on the fine adjustment screw
against the base projection to lock.
E. Check that the governor control arm is adjusted to the proper angle on the control wheel as shown
in Figure 61-3 (Sheet 1 of 2).
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
— NOTE —
3D7
Figure 61-3. Propeller Control Adjustment
(Sheet 2 of 2)
61-10-00
Page 61-05
Revised: June 20, 1995