Piper Aircraft Corporation Cherokee 140 PA-28-140, Service Manual

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PIPER CHEROKEE SERVICE MANUAL
IV - STRUCTURES 01/31/08
1H4
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 hold that is provided in the
bracket assembly.
15. Connect the flap by placing the flap handle in the full flap position, place the bushing on the
outside of the rod end bearing, insert and tighten bolt.
16. Check the rigging and control cable tension of the ailerons and flaps. (Refer to Rigging and
Adjustment of Ailerons, and Rigging and Adjustment of Flaps, Section V.)
17. Service and refill the brake system with hydraulic fluid in accordance with Servicing Brake
System, Section II Bleed the system as given in Section VII and check for fluid leaks.
18. Service and fill the fuel system in accordance with Servicing Fuel System, Section II. Open the
fuel valve and check for leaks and flow.
19. Check the operation of all 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, and wing butt
rubber molding. Check pilot’s and co-pilot’s seat operation.
22. Replace all the access plates and panels on the wing involved.
23. Ground run aircraft to verify proper operation of fuel and brake systems.
b. PA -28R:
1. Ascertain that the fuselage is solidly positioned on the support cradle.
2. Place the wing in position for installation, with the spar end a few inches from the side of the
fuselage and set on trestles.
3. Prepare the various lines, cables and electrical leads for inserting into the wing or fuselage
when the wing is slid into place. Ensure that the front wing fitting bushing is installed.
4. Slide the wing into position in the fuselage, assuring that the lines, cables and electrical leads
are fed into place.
WARNING: DO NOT DRIVE BOLTS IN OR OUT OF THE MAIN SPAR ATTACHING
BOLT HOLES (SKETCHES C AND D IN FIGURES 4-2). TAKE EXTRA
CARE IN REMOVING AND REPLACING THESE BOLTS TO PRECLUDE
DAMAGING THE BOLT HOLES.
NOTE: Top spar cap shims must be in place prior to installing bolts, below.
5. Install the eighteen main spar bolts in accordance with the bolt legend. Do not drive bolts in.
Take care not to damage bolt holes. If reusing bolts, ensure that each bolt goes back into the
same hole that it came out of.
NOTE: If new bolts are used, install in accordance with the bolt legend in Figure 4-2.
NOTE: When replacing a wing assembly, ascertain the wing butt clearance is maintained.
(Refer to Sketch A, Figure 4-2.)
6. Install the bolt, washers, and nut that attaches the front spar and fuselage fitting. A minimum of
one washer is required under the nut, then add washers as needed to leave a maximum of one
and one-half threads visible or a minimum of the bolt chamfer exposed.