Installation Of Pedal Assembly - Piper Navajo Chieftain PA-31-350 Service Manual

NAVAJO CHIEFTAIN SERVICE MANUAL
h. Remove the bolts that secure the retainer collars (5 and 18) and left pedals (28 and 33) on the
torque tube (6).
i.
Slide the torque tube out through the right side of the fuselage. (Note the number of spacer
washers between each set of collars (5 and 18) and bearings (3 and 21).
j. The left pedals (28 and 33) are free to be removed.
k. To remove the outer torque tube (14) assembly with right pedals (27 and 32), unbolt and
separate the tube's bearing blocks (12) located on top of the wheel housing. (Note number of spacer
washers (13) between the bearing blocks.)
1. Remove the outer tube (14) assembly and disassemble.
m. The torque tube bearings may be removed by removing the cap bolts that secure the bearings to
their mounting brackets.
5-41. INSTALLATION OF PEDAL ASSEMBLY. (Refer to Figure 5-12.)
a. Install and secure the torque tube bearings (5 and 21) to their mounting brackets (2 and 22) with
cap bolts (20).
b. Assemble the outer torque tube (14) assembly, including both right pedals (27 and 32).
c. Position the outer torque tube (14) assembly over the wheel housing and install bearing blocks
(12). Spacers (13) are installed between the blocks so that when the blocks are bolted the tube will be free
to rotate with minimum up and down play. (Spacers are available in thickness of .012 P/N 81102-35; .020
P/N 81102-36 and .032 P/N 81102-37.
d. Lubricate and slide the torque tube (6) through the side of the fuselage and right bearing (21) far
enough to slide the right retainer collar (18) on the tube.
e. Slide the tube (6) through the outer torque tube (14) assembly installing the left pedals (28 and
33) and left retainer collar (5).
f. Insert the bolts (4 and 19) through bolt retainer collars (5 and 18) and tube (6) (do not install
nut) and determine number of spacer washers required to allow minimum side play. The tube may be slid
to either side when the collar bolts are removed to allow the spacer washers to be divided and installed
evenly between each set of retainers (5 and 18) and bearings (3 and 21).
g. With the spacer washers installed, install the bolts through the retainers (5 and 18) and both left
rudder pedals (28 and 33). Install nuts with washers and secure.
h. Wipe off excess lubricant from torque tube.
i. Install the rudder torque tube guards (35) by positioning each guard in front of the torque tube
and securing it in place with the two machine screws and nuts (36) at the brake line support channel (34).
Install the clamps around the torque tube and fasten to the guards with machine screws and nuts (37).
j. Connect the steering control rods (29) at the pedals. Pedal and nose wheel alignment may be checked
by referring to Section V.
k. Set cable tension per Table V-ll and check rigging and adjustment per paragraph 5-47.
1. Install access plates, panels and seats.
Revised: 5/3/8421
SURFACE CONTROLS
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