H29676
APU Fire Extinguisher Bottle Window Installation 500
56-41-41 Figure 401 Aug 15/67
Page 402
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
C. Wipe dry with a clean damp chamois.
CAUTION: DO NOT RUB SURFACES WITH A DRY CLOTH. IT CAUSES SCRATCHES AND BUILDS UP AN ELECTROSTATIC CHARGE WHICH ATTRACTS DUST PARTICLES.
D. Position silicone rubber seal and retainer ring on window pane.
E. Install window pane with the rubber seal and retainer ring on the doubler ring.
F. Install the six mounting bolts that secure the window assembly to fuselage structure.
G. From the exterior of the airplane, visually check that the view through the window of the APU fire extinguisher system pressure gauges is unobstructed.
500
Aug 15/67 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 56-41-41 Page 403