PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
PAGE 5
Nov 30/064H9
57-40-00
CAUTION: BE CERTAIN THAT ALL BOLTS, NUTS AND WASHERS ARE INSTALLED IN
ACCORDANCE WITH FIGURE 1 (I.E. - THE BOLT LEGEND AND SKETCHES A,
B, C, AND D).
(8) Torque the bolt heads on the upper main spar cap and the nuts on the lower main spar cap as
specified in Figure 1, bolt legend. Torque the forward wing spar to fuselage attach nut as
specified in Figure 1, Sketch A. Torque the rear wing spar to fuselage attach nut as specified in
Figure 1, Sketch B.
(9) Install the wing jacks and tail support to the tail skid with approximately 250 pounds of ballast
on the base of the tail support. Remove the fuselage cradle and wing supports.
(10) If the left wing was removed, it is necessary that the pitot and static tubes be reconnected at
the elbows located within the cockpit at the wing butt line. One tube may be painted red,
denoting the pitot tube. In the event that a heated pitot is installed, the electrical plus lead must
be connected at the fuselage.
(11) Connect the hydraulic brake line onto the fitting located within the cockpit at the leading edge
of the wing.
(12) Connect the electrical leads to the appropriate posts on the terminal strip and install the
washers and nuts. (For assistance in connecting the electrical lead, refer to the Electrical
Schematics in Chapter 91.) Place the clamps along the electrical harness to secure it in
position and install the terminal strip dust cover.
(13) Remove the cap from the fuel line and connect it at the fitting located aft of the spar at the wing
butt line.
(14) Connect the aileron balance and control cables at the turnbuckles that are located within the
fuselage aft of the spar. After the left balance cable has been inserted through the bracket
assembly and connected, install a cotter pin cable guard into the hole that is provided in the
bracket assembly.
(15) Connect the flap by placing the flap handle in the full flap down position; place the bushing on
the outside of the rod end bearing and insert and tighten the bolt.
(16) Check the rigging and control cable tension of the ailerons and flaps. (Refer to Rigging and
Adjustment, 27-10-00 and Flap Controls - Rigging and Adjustment, 27-50-00.)
(17) Service and refill the brake system with hydraulic fluid. (Refer to Brake System, 12-10-00.)
Bleed the system per Brakes - Bleeding Brakes, 32-40-00, and check the system for leaks.
(18) Service and fill the fuel system. (Refer to Fuel System, 12-10-00.) Open the fuel valve and
check for leaks and fuel flow.
(19) Check the operation of ad electrical equipment and pitot and static system.
(20) Remove the airplane from the jacks.
(21) Install the cockpit trim panel assembly, spar box carpet, the front and back seats. Check
operation of pilot and co-pilot seats.
(22) Replace all the wing root seal and all access plates and panels on the wing(s) involved.
(23) Connect battery.
(24) Ground run airplane to verify proper operation of fuel and brake systems.
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