Piper Cherokee LANCE, Service Manual

Page: 104 / 854

b. Installation:
1. Cut or grind the new window to the same dimension as the window removed.
2. Apply a strip of vinyl foam tape (1/8 x 1” wide - type 1 P.V.C. per PMS-K0003) completely
around the edge of the window.
3. Apply white (PRC) PR307 sealing compound (Product Research Corporation) completely
around the outer surface of the window at all attachment flanges.
4. Install the window in the frame and install retainer molding; secure with screw.
5. Remove excess exposed sealer and tape.
4-17. REAR DOOR WINDOW.
a. Removal: (Refer to Figure 4-2.)
NOTE: When removing the rear door window for the first time, proceed with instructions
contained in paragraph 4-17.a.1 thru 4-17.a.4. When removing the window indoors with
previously installed 68020-03 retainer, proceed with instructions contained in paragraph 4-
17.a.1 and 4-17.a.5 thru 4-17.a.8.
1. Remove rear door and place on a protective surface to prevent scratching the painted surface.
The door should be supported in such a manner so it will not rock back and forth as the
window is being replaced.
2. Measure in .45-inch from the edge of the window frame and scribe a line around the inner
panel assembly. (Refer to Line “A”, Figure 4-2.)
3. Insert router into jaws of drill chuck. Install guide on router. The router should protrude from
the rounded end of the guide by no more than .l9-inch. Adjust router in drill check as necessary
to obtain this dimension.
4. Energize drill and using any convenient point along the perimeter of Line “A”, rout the .45-
inch wide metal strip and window as shown in Sketch A. The remaining seam should be sharp
and clean.
5. Measure in .44-inch from the inner edge of retainer P/N 68020-03. Scribe a line around its
perimeter. (Refer to Line “B”, Figure 4-2.)
6. Insert router into jaws of drill chuck. Install guide on router. The router should protrude from
the rounded end of the guide by no more than .25-inch. Adjust router in drill chuck as
necessary to obtain this dimension.
7. Energize drill and using any convenient point along the perimeter of Line “B”, route the .44
inch wide portion of retainer P/N 68020-03 and window as shown in Sketch B. Continue
routing until the original trim line is reached.
8. Locate the seam between the top of the inner panel assembly and the retainer. Using a sharp
chisel and tapping it lightly with a mallet, remove remainder of retainer 6802~03 from the
door. Smooth off any surface roughness that may remain.
PIPER CHEROKEE SIX / LANCE SERVICE MANUAL
IV - STRUCTURES 03/27/08
1E20