Title: 737-300RB / 737-400SF 9G RIGID BARRIER REMOVAL / INSTALLATION INSTRUCTIONS STA 344: THE 9G RIGID BARRIER IS MADE UP OF 5 STATIC PANELS (4 OF THEM MADE FROM HONEY-COMB CORE AND FACE SHEET) AND ONE SLIDING DOOR. THE BARRIER IS ATTACHED TO UPPER SKIN OR STRUCTURE USING TITANIUM BRACKETS BETWEEN STR 4L AND 8R. THE RIGHT SIDE OF THE BARRIER IS CONNECTED TO THE FUSELAGE STRINGERS USING OMEGA-SHAPED CHANNELS BETWEEN STR 9R AND 16R THE LOWER SIDE OF THE BARRIER IS ATTACHED TO THE FLOOR STRUCTURE BY MEANS OF A MOUNTING PLATE AND "FINGER FITTINGS" WHICH ARE INSTALLED C/T THE SEAT TRACKS BETWEEN STA 348 & 360. A BLOW-OUT PANEL IS INSTALLED BETWEEN RIGHT AND LEFT CENTRAL SECTIONS OF THE BARRIER SEE FIGURE 1 FOR PARTS IDENTIFICATION CAUTION: ENSURE THAT ALL PANELS ARE SUPPORTED DURING FASTENERS REMOVAL SO THAT THEY DO NOT FALL 1. 2. 3. 4. REMOVE THE MAIN DECK FWD CEILING PANELS TO GAIN ACCESS TO INSTALLATION PARTS OF 9G RIGID BARRIER REMOVE ALL EMERGENCY EQUIPMENT INSTALLED ON FWD SIDE OF RIGID BARRIER UNLOCK THE SLIDING DOOR LATCH ASSEMBLY REMOVE THE SLIDING DOOR HANDLE ANGLE
5. PULL THE DOOR ASSEMBLY TOWARDS THE CENTER LINE OF THE AIRCRAFT AND REMOVE FROM RAILS. CAUTION: ENSURE SUPPORT THE BARRIER WHILE IT IS BEING REMOVED AS IT IS VERY HEAVY AND CAN CAUSE INJURY AND/OR DAMAGE IF IT FALLS. 6. REMOVE THE SLIDING DOOR SUPPORT FASTENERS WHERE NOT INSTALLED ON LEFT PANEL. RH-5-5 BLIND RIVETS (QTY 2) RH-6-5 BLIND RIVETS (QTY 2) YA-6-3 HI-LOKS (QTY 11) SEE FIGURE 2 7. REMOVE VERTICAL FASTENERS C/T CURVED UPPER CHORDS (FWD AND AFT) AND TITANIUM FITTINGS. YA-10-7 (QTY 44) PH-10-12 (QTY 12) PH-10-18 (QTY 12) PH-12-12 (QTY 10) PH-12-18 (QTY 10) NOTE: IF BOLTS ARE CURRENTLY INSTALLED INSTEAD OF PH AND YA HI-LOKS THEY CAN BE RETAINED FOR REINSTALLATION) SEE FIGURES 3 & 4 RETAIN RADIUS FILLERS FOR REINSTALLATION 8. REMOVE HI-LOKS INSTALLED C/T CURVED UPPER CHORD AND LEFT PANEL YA-6-8 (QTY 4) SEE FIGURE 3
9. REMOVE 24 BOLTS C/T CURVED UPPER CHORD AND UPPER EDGE OF 9G BARRIER PANELS SEE FIGURES 3 & 4 RETAIN BOLTS ETC FOR REINSTALLATION 10. DRILL OUT BLIND BOLTS INSTALLED C/T UPPER EDGE OF BARRIER PANELS AND BOTH FWD AND AFT CURVED CHORDS ENSURE THAT CHORD IS NOT DAMAGED WHILE DRILLING HEADS. ACN-6-9 (QTY 51) ACN-6-10 (QTY 50) SEE FIGURES 3 & 4 11. REMOVE 36 LOWER MOUNTING BOLTS C/T U-CHANNEL AND LOWER EDGE OF 9G BARRIER PANELS SEE FIGURES 5 & 6 RETAIN BOLTS ETC. FOR REINSTALLATION 12. REMOVE 15 VERTICAL BOLTS ATTACHING MOUNTING PLATE TO SEAT TRACKS SEE FIGURE 6 RETAIN BOLTS ETC. FOR REINSTALLATION 13. REMOVE 2 OUTBD MOUNTING BOLTS AT OUTBD LEFT SIDE OF U-CHANNEL SUPPORT SEE FIGURE 7 RETAIN BOLTS ETC. FOR REINSTALLATION
14. REMOVE FASTENERS C/T U-CHANNEL AND SLIDING DOOR RAIL SUPPORT AS REQUIRED TO REMOVE U CHANNEL YA-6-5 (QTY 21) WY-6-9 (QTY 4) NAS6203-17 (QTY 1) SEE FIGURE 7 RETAIN BOLT ETC. FOR REINSTALLATION RETAIN SPACER ETC. AT NAS6203 LOCATION FOR REINSTALLATION 15. REMOVE FASTENERS C/T AFT CHANNEL AND MOUNTING PLATE WY-8-7 (QTY 78) SEE FIGURE 8 16. DRILL OUT BLIND BOLTS INSTALLED RIGHT PANEL OUTBD EDGE AND RIGHT OUTBD PANEL. ENSURE THAT PANEL IS NOT DAMAGED WHILE DRILLING HEADS. RH-5-2 (QTY 18) SEE FIGURE 9 17. DRILL OUT HEADS OF BLIND BOLTS INSTALLED ON CENTER LEFT PANEL AND EDGE OF BLOW-OUT PANEL ENSURE THAT PANEL IS NOT DAMAGED WHILE DRILLING HEADS. AXA-8-5 (QTY 68) SEE FIGURE 9 18. GAIN ACCESS TO RIGHT CLOSE-OUT PANEL FROM FWD SIDE BY REMOVING HONEY-COMB PANEL
19. REMOVE FASTENERS C/T OMEGAS AND BRACKETS INSTALLED ON OUTBD FACE OF RIGHT BARRIER PANEL YA-5-2 (QTY 48) SEE FIGURE 10 20. REMOVE FASTENERS C/T RIGHT OMEGA CHANNELS AND RIGHT PANEL YA-5-2 (QTY 103) SEE FIGURE 10 NOTES: THIS STEP IS ONLY TO BE UNDERTAKEN IF IT IS DEEMED THAT PANEL MUST BE REMOVED. CURVED CHORD INSTALLED ON AFT FACE OF CLOSE-OUT PANEL SHOULD NOT BE REMOVED FROM PANEL 21. REMOVE INDIVIDUAL PANELS. NOTE: - PANELS ARE EXTREMELY HEAVY. MAKE SURE THAT PANELS ARE PROPERLY SUPPORTED. IF PANELS FALL THEY CAN CAUSE INJURY AND/OR DAMAGE. 22. REMOVE THE MOUNTING PLATE AND FINGER FITTINGS FROM SEAT TRACKS BUILD UP BARRIER PER THE FOLLOWING IAI DRAWINGS, USING GUIDANCE OF THE WORK STEPS BELOW. SEE SKETCHES FOR LOCATIONS CALLED OUT IN 365-25-00-93850 365-25-00-93852 365-25-00-93854 365-25-00-93858 365-25-00-92860 WHEN REINSTALLING THE 9G BARRIER IT IS ACCEPTABLE TO USE SAME SIZE HI-LOKS AS ORIGINAL WITHOUT OVERSIZING AS LONG AS HOLES ARE NOT DAMAGED. WHERE BOLTS ARE INSTALLED TORQUE PER 737-300 SRM 51-40-04
23. RELOCATE THE MOUNTING PLATE AND FINGER FITTINGS IN THEIR CORRECT LOCATION ON THE SEAT TRACKS 24. LOCATE AND SUPPORT THE FWD UPPER CURVED CHORD C/T TITANIUM FITTINGS SEE FIGURE 4 25. 26. SUPPORT THE 9G BARRIER PANELS IN THEIR ORIGINAL LOCATIONS LOCATE AND SUPPORT THE FWD UPPER CURVED CHORD C/T TITANIUM FITTINGS SEE FIGURE 4 27. INSTALL FASTENERS C/T AFT U-CHANNEL AND MOUNTING PLATE WY-8-7 (QTY 78) SEE FIGURE 8 28. INSTALL 15 VERTICAL BOLTS ATTACHING MOUNTING PLATE TO SEAT TRACKS SEE FIGURE 6 29. LOCATE CURVED UPPER CHORD ON AFT SIDE OF 9G BARRIER SEE FIGURE 4
30. INSTALL VERTICAL FASTENERS C/T CURVED UPPER CHORDS (FWD AND AFT) AND TITANIUM FITTINGS. YA-10-7 (QTY 44) PH-10-12 (QTY 12) PH-10-18 (QTY 12) PH-12-12 (QTY 10) PH-12-18 (QTY 10) NOTE: IF BOLTS WERE INSTALLED INSTEAD OF PH HI-LOKS THEY ARE TO BE REINSTALLED IN LIEU OF HI-LOKS SEE FIGURES 3 & 4 INSTALL RADIUS FILLERS AT ORIGINAL LOCATIONS 31. INSTALL 24 BOLTS C/T CURVED UPPER CHORD AND UPPER EDGE OF 9G BARRIER PANELS SEE FIGURES 3 & 4 32. INSTALL FWD AND AFT CHORDS C/T 9G BARRIERS BY REINSTALL BLIND BOLTS AT ORIGINAL LOCATIONS ACN-6-9 (C/T AFT SIDE) ACN-6-10 (C/T FWD SIDE) NOTE: IT IS ACCEPTABLE TO INSTALL APP TYPE FASTENERS IN LIEU OF CAN TYPE FASTENERS IF REQUIRED 33. INSTALL HI-LOKS INSTALLED C/T CURVED UPPER CHORD AND LEFT PANEL YA-6-8 (QTY 4) SEE FIGURE 3
34. INSTALL FASTENERS C/T U-CHANNEL AND SLIDING DOOR RAIL SUPPORT AS REQUIRED TO REINSTALL -U CHANNEL YA-6-5 (QTY 21) WY-6-9 (QTY 4) NAS6203-17 (QTY 1) SEE FIGURE 7 INSTALL SPACER ETC. AT NAS6203 LOCATION PER ORIGINAL INSTALLATION 35. INSTALL 2 ORIGINAL OUTBD MOUNTING BOLTS AT OUTBD LEFT SIDE OF U- CHANNEL SUPPORT SEE FIGURE 7 36. INSTALL 36 LOWER MOUNTING BOLTS C/T U-CHANNEL AND LOWER EDGE OF 9G BARRIER PANELS SEE FIGURES 5 & 6 37. INSTALL BLOW-OUT PANEL C/T LEFT PANEL OF 9G BARRIER BY INSTALLING BLIND BOLTS AT ORIGINAL LOCATIONS AXA-8-5 (QTY 68) SEE FIGURE 9 38. INSTALL RIGHT OUTBD PANEL C/T RIGHT PANEL OUTBD EDGE OF 9G BARRIER BY INSTALLING BLIND BOLTS AT ORIGINAL LOCATIONS RH-5-2 (QTY 18) SEE FIGURE 9
39. INSTALL FASTENERS C/T OMEGAS AND BRACKETS INSTALLED ON OUTBD FACE OF RIGHT BARRIER PANEL YA-5-2 (QTY 48) SEE FIGURE 10 40. INSTALL FASTENERS C/T RIGHT OMEGA CHANNELS AND RIGHT PANEL YA-5-2 (QTY 103) SEE FIGURE 10 NOTE: THIS STEP IS ONLY REQUIRED IF PANEL WAS REMOVED PER STEP #22 41. 42. REINSTALL HONEY-COMB PANEL ON FWD SIDE OF RIGHT CLOSE-OUT PANEL INSTALL THE SLIDING DOOR SUPPORT FASTENERS WHERE NOT INSTALLED ON LEFT PANEL. RH-5-5 BLIND RIVETS (QTY 2) RH-6-5 BLIND RIVETS (QTY 2) YA-6-3 HI-LOKS (QTY 11) SEE FIGURE 2 43. 44. 45. 46. SLIDE THE DOOR ASSEMBLY BACK ONTO ITS RAILS. REINSTALL THE SLIDING DOOR HANDLE ANGLE (REF IAI DRAWING 365-25-00-93854) REINSTALL ALL EMERGENCY EQUIPMENT INSTALLED ON FWD SIDE OF RIGID BARRIER REINSTALL THE PREVIOUSLY REMOVED MAIN DECK FWD CEILING PANELS
47. SEAL ALL AROUND MOUNTING PLATE WITH RTV102 WHITE SEALANT (OR EQ) SEAL AT ALL OTHER LOCATIONS WHICH WERE ORIGINALLY SEALED USING BMS 5-95
FIGURE 1 9G BARRIER LAY-OUT (REF IAI DRAWING 365-25-00-93850)
FIGURE 2 DOOR RAIL REMOVAL (REF IAI DRAWING 365-25-00-93850 & 365-25-00-93854)
FIGURE 3 UPPER SUPPORT REMOVAL (REF IAI DRAWING 365-25-00-93858) FIGURE 4 UPPER SUPPORT REMOVAL (REF IAI DRAWING 365-25-00-93858)
FIGURE 5 LOWER SUPPORT REMOVAL (REF IAI DRAWING 365-25-00-93850, 365-25-00-93852)
FIGURE 6 MOUNTING PLATE REMOVAL (REF IAI DRAWING 365-25-00-93852)
FIGURE 7 U-CHANNEL REMOVAL (REF IAI DRAWING 365-25-00-93852)
FIGURE 8 U-CHANNEL REMOVAL (REF IAI DRAWING 365-25-00-93852)
FIGURE 9 BLOW-OUT & CLOSE-OUT PANEL REMOVALS (REF IAI DRAWING 365-25-00-93850)
FIGURE 10 CLOSE-OUT PANEL REMOVAL (REF IAI DRAWING 365-25-00-93860)