Installation Of Elevator Trim Sender Assembly; Rigging And Adjustment Of Elevator Trim; Methods Of Blocking Trim Cables - Diagram - Piper Navajo Chieftain PA-31-350 Service Manual

Figure 5-10. Methods of Blocking Trim Cables
5-36. INSTALLATION OF ELEVATOR TRIM SENDER ASSEMBLY. (Refer to Figure 5-6.)
a. If removed, install the sender arm (34) on the trim screw (32).
b. Insert the shaft (36) of sender unit (35) through mounting bracket (39), lockwasher (43),
locknut (42), and sender arm.
c. Position sender unit on its mounting bracket by placing the index tab on the sender into the
index slot in the bracket. Secure sender on the mounting bracket. (Allow the arm to rotate freely on the
sender shaft until adjustment is made.)
d. Connect the electrical leads to the sender.
f. Rig the sender unit per paragraph 5-38.
g. Install access plate.
5-37. RIGGING AND ADJUSTMENT OF ELEVATOR TRIM. (Refer to Figure 5-6.)
PPS-50046
a. To adjust the elevator trim, it must be ascertained that the following has been accomplished
either during installation or as a preadjustment check:
1. Trim cables are evenly wrapped (centered) on the drum in the control pedestal, and both
turnbuckles ( 12) are located approximately at fuselage station 291.00.
NOTE
If the AltiMatic V Flight Director is installed, check to determine
that the trim cable is wrapped around the capstan of the elevator
trim servo as illustrated in Figure 5-11. The trim servo is located at
fuselage station 317.75.
Revised: 5/3/84
SURFACE CONTROLS
NAVAJO CHIEFTAIN SERVICE MANUAL
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