Piper Cherokee LANCE, Service Manual

Page: 91 / 854

PIPER CHEROKEE SIX / LANCE SERVICE MANUAL
03/27/08 IV - STRUCTURES
1E7
WARNING: DO NOT DRIVE BOLTS IN OR OUT OF THE MAIN SPAR ATTACHING
BOLT HOLES (SKETCHES C AND D IN FIGURES 4-1 AND 4-1B). TAKE
EXTRA CARE IN REMOVING AND REPLACING THESE BOLTS TO
PRECLUDE DAMAGING THE BOLT HOLES.
21. Remove the eighteen (18) main spar bolts. Do not drive out bolts. Take care not to damage bolt
holes. Number bolts and bolt holes to ensure that, if reused, each bolt is reinstalled in the same
hole it came out of.
22. Slowly and very carefully extract wing from fuselage being certain all electrical leads, cables
and lines are disconnected and that no undue upward or downward pressure is exerted upon the
inboard spar within the spar carrythrough.
NOTE: Inspect wing spar in accordance with Section III, Special Inspections, Procedures,
Wing Spar Inspection.
b. Installation:
WARNING: IF REPLACEMENT OF BOLTS IS REQUIRED, ENSURE PROPER GRIP LENGTH
IS MAINTAINED. INSTALL NEW NUTS ON MAIN SPAR AND FORWARD AND
AFT SPAR ATTACH BOLTS, SEE BOLT LEGEND, FIGURE 4-1 OR 4-1B FOR
PROPER HARDWARE .
1. Ascertain that the fuselage is solidly positioned on the support cradle.
2. Place wing in position for installation a few inches away from the fuselage.
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 4-1 AND 4-1B). 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 4-1 or 4-1B.
6. Install front and rear spar to fuselage attach bolts. Refer to Figure 4-1 or 4-1B for correct
installation of washers.
7. Torque the eighteen (per wing) main spar bolts and front and rear spar bolts to torque values
specified in Figure 4-1 or 4-1B, as appropriate.
8. Install wing jacks and tail support to tail skid with sufficient ballast to anchor tail, and remove
fuselage cradle and wing supports.