SERVICE KIT thru , 631, 634, 675 R thru R F thru F FR thru FR

Transcription

1 TITLE SEAT BELT AND SHOULDER HARNESS KIT INSTALLATION EFFECTIVITY MODEL SERIES SERIAL NUMBERS thru , 631, 634, 675 R182 R thru R F182 F thru F FR182 FR thru FR DESCRIPTION To replace existing seat belts with new seat belts and shoulder harnesses with metal-to-metal buckles. APPROVAL FAA approval has been obtained on technical data in this publication that affects airplane type design. For Reims Aviation airplanes: DGAC approval has been obtained on technical data in this publication that affects airplane type design. REFERENCE SEB92-28 Single Engine September 4, 1992 Revision B - May 5, 2000 Page 1 of of 23 To obtain satisfactory results, procedures specified in this publication must be accomplished in accordance with accepted methods and prevailing government regulations. The Cessna Aircraft Company cannot be responsible for the quality of work performed in accomplishing the requirements of this publication. The Cessna Aircraft Company, Product Support, P.O. Box 7706, Wichita, Kansas 67277, U.S.A. (316) Facsimile (316) COPYRIGHT 1992

2 CHANGE IN WEIGHT AND BALANCE Each seat belt and shoulder harness assembly (including airframe attachment parts) will increase the airplane s empty weight by 0.75 pound at each seat location and should be included as part of the airplane s basic empty weight. For 1975 and earlier model airplanes, refer to the airplane s weight and balance data and equipment list to determine the location (arm) of each seat. For 1976 and later model airplanes, refer to Section 6, Weight & Balance/Equipment List, of the Pilot s Operation Handbook to determine the location (arm) of each seat location. MATERIAL INFORMATION Airplanes Model 182, thru , 613, and, 631, order one (1) 1 kit for the cockpit shoulder harness installation. Page 2 PART NUMBER QUANTITY DESCRIPTION 1 1 Kit, consisting of the following parts: AN R9 14 Screw MS20426AD3-5A 8 Rivet MS20470AD3-5A 4 Rivet MS21042L4 4 Nut MS21044N08 14 Nut MS21047L4 2 Nutplate NAS1149F0663P 4 Washer NAS1149FN832P 14 Washer NAS43HT Spacer NAS464P4A12 2 Bolt S1021Z6-6 2 Screw Cover Gusset, Right Gusset, Left Spacer Harness Assembly 1 Instructions

3 Airplanes Model 182, thru and 634 order one (1) 2 kit for the cockpit shoulder harness installation. Airplanes Model 182, thru , and 675; Model R182, R thru R ; Model F182, F thru F ; and Model FR182, FR thru FR , order one (1) 2 kit for the passenger shoulder harness installation. Airplanes Model 182, thru , 613 and 631, order one (1) 3 kit for the passenger shoulder harness installation. Page 3 PART NUMBER QUANTITY DESCRIPTION 3 1 Kit, consisting of the following parts: AN43B4A 2 Eye Bolt MS20426AD3-4A 8 Rivet MS20470AD4-4A5 8 Rivet MS21042L4 4 Nut MS21042L3 2 Nut MS21044N4 2 Nut MS21047L3 2 Nutplate MS Screw NAS1149F0332P 2 Washer S Harness Assembly Strap Hook Spring 1 Instructions PART NUMBER QUANTITY DESCRIPTION 2 1 Kit, consisting of the following parts: AN3-4A 2 Bolt MS20470AD3-4A 8 Rivet MS20470AD3-6A5 4 Rivet MS20470AD4-5A 8 Rivet MS21042L4 4 Nut MS21059L4 2 Nutplate NAS1149F0432P 2 Washer NAS1149F0463P 2 Washer NAS1149F0663P 4 Washer NAS43HT Spacer NAS43HT Spacer NAS464P4A10 2 Bolt NAS464P4A13 2 Bolt NAS464P4A14 2 Bolt NAS464P4A8 2 Bolt S Spacer Cover Doubler, Right Doubler, Left Spacer Harness Assembly 1 Instructions

4 Airplanes Model 182, thru , and 634, order one (1) 4 kit for the passenger shoulder harness installation. ACCOMPLISHMENT INSTRUCTIONS 1. Install the cockpit shoulder harness assembly. Installation is typical for left and right side. A. Remove and discard existing seat belts. Retain attaching hardware for reinstallation, except nut, which may be discarded. B. Loosen headliner and remove headliner retainer and right window molding to gain working access, as required. C. Disconnect utility light and remove left window molding. D. Airplanes thru , 613 and 631: (1) Remove existing gusset. (2) (Refer to Figure 1, Sheet 1, Detail A.) Airplanes with Detail A. configuration, install the (left) or (right) gusset. Page 4 PART NUMBER QUANTITY DESCRIPTION 4 1 Kit, consisting of the following parts: MS21042L4 4 Nut NAS1149F0463P 2 Washer NAS1149F0663P 4 Washer NAS43HT Spacer NAS464P4A12 2 Bolt S Spacer S Rivet Harness Assembly Cover Plate Assembly - Left Plate Assembly - Right 1 Instructions

5 (a) Using the existing gusset as a template, match drill seven (7) 11/64 (0.172) inch diameter holes in the new (left) or (right) gusset and existing lower headliner retainer. (b) Position the new (left) or (right) gusset on the doorpost and match drill four (4) 11/64 (0.172) inch diameter holes from gusset in doorpost. Secure using temporary sheet metal fasteners in top three (3) holes. (c) Position the new gusset on the doorpost and match drill three (3) 11/64 (0.172) inch diameter holes from gusset in door sill assembly. (d) Using the existing lower aft hole in the headliner retainer as a template, mark and drill one (1) 11/64 (0.172) inch diameter hole thru headliner retainer and doorpost. Secure using a temporary sheet metal fastener. Hole may require pulling slightly to ensure a minimum of 0.25 inch edge distance is maintained while drilling. (e) Match drill one (1) Number 40 (0.098 inch diameter) hole in the headliner retainer thru the gusset. Secure using a temporary sheet metal fastener. (f) Using the existing gusset as a template, mark hole location for nutplate on headliner retainer. (g) Drill one (1) Letter F (0.257 inch diameter) hole in headliner retainer and new gusset. Remove parts. (h) Position the MS21047L4 Nutplate on the gusset and match drill two (2) Number 40 (0.098 inch diameter) holes in gusset. Countersink 100 x 0.18 diameter to match MS20426AD3-5A rivet. (i) Install the MS21047L4 Nutplate on the gusset using two (2) MS20426AD3-5A Rivets. (j) Position the gusset on the doorpost and install three (3) AN R9 Screws, NAS1149FN832P Washers and MS21044N08 Nuts thru the gusset and doorpost. (k) Install three (3) AN R9 Screws, NAS1149FN832P Washers and MS21044N08 Nuts thru the gusset and door sill assembly. (l) Position the headliner retainer on the gusset and install one (1) AN R9 Screw, NAS1149FN832P Washer and MS21044N08 Nut in headliner retainer, gusset and doorpost. Trim and hand form headliner retainer, as required, to match the contour of gusset. Notch headliner retainer at bend to prevent buckle. (m) Install one (1) S1021Z6-6 Screw thru the headliner retainer and doorpost. It is permissible to relocate hole to maintain 0.25 inch minimum edge distance. (n) Install one (1) MS20470AD3-5A Rivet in headliner retainer, gusset and sill assembly. (o) Reinstall headliner and window molding in original position. (p) (Refer to Figure 1, Sheet 9, Detail L.)Install the Harness Assembly using two (2) NAS1149F0663P Washers and one (1) Spacer, NAS43HT4-22 Spacer, NAS464P4A12 Bolt and Cover (3) (Refer to Figure 1, Sheet 2, Detail B.) Airplanes with Detail B. configuration, install the (left) or (right) gusset. (a) Using a putty knife, or equivalent, separate the upper and lower headliner retainer at spot weld locations. Page 5

6 (b) Position the gusset on the lower headliner retainer and, using the existing gusset as a template, match drill seven (7) 11/64 (0.172) inch diameter holes. (c) Measure and mark a line 1/2 (0.50) inch below center line of second hole in aft edge of gusset, extending to forward edge of gusset. (d) Measure and mark a line 1/2 (0.50) inch aft of forward, diagonal edge of gusset. (e) Drill one (1) Letter F (0.257 inch diameter) hole at cross section where lines intersect. (f) Position nutplate over hole and mark and drill two (2) Number 40 (0.098 inch diameter) holes thru gusset. Countersink 100 x 0.18 diameter to match MS20426AD3-5A rivet. (g) Install MS21047L4 Nutplate on gusset using two (2) MS20426AD3-5A Rivets. (h) Position the new gusset and lower headliner retainer on the doorpost and match drill three (3) to 11/64 (0.172) inch diameter holes in the doorpost. Secure using temporary sheet metal fasteners. Trim and hand form lower headliner retainer, as required, to match contour of gusset. (i) Match drill three (3) 11/64 (0.172) inch diameter holes in the gusset thru lower headliner retainer and door sill assembly. Secure forward hole using a temporary sheet metal fastener. (j) Align the aft corner of the upper headliner retainer with the aft corner of the gusset and the contour of sill assembly. Trim and hand form lower headliner retainer, as required, to match contour of gusset. (k) Using the forward existing hole in the upper headliner retainer as a template, drill one (1) Number 40 (0.098 inch diameter) hole thru the gusset and lower retainer. Secure using a temporary sheet metal fastener. (l) Drill one (1) 11/64 (0.172) inch diameter hole thru the upper headliner retainer, gusset, lower headliner retainer and the doorpost. Remove upper headliner retainer. (m) Secure gusset and lower headliner retainer using three (3) AN R9 Screws, NAS1149FN832P Washers and MS21044N08 Nuts in top three (3) holes in gusset, lower headliner retainer and doorpost. (n) Secure gusset and lower headliner retainer using three (3) AN R9 Screws, NAS1149FN832P Washers and MS21044N08 Nuts, lower headliner retainer and sill assembly. (o) Position the upper headliner retainer on the gusset and secure using one (1) AN R9 Screw, NAS1149FN832P Washer and MS21044N08 Nut in upper headliner retainer, gusset, lower headliner retainer and doorpost. (p) Install one (1) MS20470AD3-5A Rivet in upper headliner retainer, gusset and lower headliner retainer. (q) Reinstall existing screws in lower headliner retainer along sill assembly. (r) Reinstall headliner and right window molding in original position. (s) Reconnect utility light and install left window molding. (t) Press on headliner to locate nutplate and, using a sharp instrument, pierce headliner at nutplate location. (u) (Refer to Figure 1, Sheet 9, Detail L.) Install Harness Assembly using two (2) NAS1149F0663P Washers and one (1) Spacer, NAS43HT4-22 Spacer, NAS464P4A12 Bolt and Cover. Page 6

7 E. Airplanes thru and 634: (1) (Refer to Figure 1, Sheet 3, Detail D. and Sheet 4, View A-A.) Loosen window molding and headliner, as required, to gain access to the doorpost assembly at (2) Remove three (3) existing rivets in gusset. (3) Drill upper pilot hole in (left) or (right) Doubler to Number 30 (0.128 inch diameter). (4) Position doubler on doorpost and secure using temporary sheet metal fasteners. (5) Match drill hole in lower gusset, thru the doubler, to Number 30 (0.128 inch diameter). Remove doubler. (6) Lay out and drill lower hole location in doubler on doorpost to Number 40 (0.098 inch diameter). (7) Lay out nutplate screw hole location on doorpost using existing fastener location. (8) Reposition doubler on doorpost and secure using temporary sheet metal fasteners. (9) Enlarge nutplate screw hole location to Letter F (0.257 inch diameter). CAUTION: ENSURE A MINIMUM OF 0.42 INCH EDGE DISTANCE IS MAINTAINED WHILE ENLARGING SCREW HOLE. (10) Remove doubler, then mark and drill final nutplate rivet location to Number 40 (0.098 inch diameter). Countersink 100 x 0.18 diameter to match MS20426AD3-5A rivet. If it is desired to be able to replace the MS21059L4 Nutplate without removing the Doubler, install the doubler and nutplate per the following procedures: a Do not countersink doubler to match MS20426AD3-5A rivet. b Reposition doubler on doorpost and secure using temporary sheet metal fasteners. c Back-drill the two nutplate rivet locations thru doorpost. d Install MS21059L4 Nutplate on doubler and doorpost using two (2) MS20470AD3-6A5 Rivets. Proceed to step 1.E.(12). (11) Install MS21059L4 Nutplate on doubler using two (2) MS20426AD3-4A Rivets. (12) Install doubler on doorpost using two (2) MS20470AD4-5A Rivets. (13) Pierce headliner at nutplate location. (14) Using a hole finder, locate nutplate and drill one (1) Letter F (0.257 inch diameter) hole thru headliner retainer to match nutplate. (15) Reinstall headliner, headliner retainer and right window molding in original position. (16) Reconnect utility light and reinstall left window molding. (17) (Refer to Figure 1, Sheet 9, Detail M.) Install Harness Assembly using one (1) Spacer, two (2) NAS1149F0663P Washers, and one (1) NAS43HT4-22 Spacer, Cover, one (1) NAS1149F0463P Washer and NAS464P4A13 or NAS464P4A14 Bolt. Ensure the installed bolt shank is not contacting the nutplate threads and that there is sufficient bolt/nutplate thread engagement. Page 7

8 2. Install passenger shoulder harness. Installation is typical for left and right side. A. Remove existing seat belts. Retain attaching hardware for reinstallation, except nut, which may be discarded. B. Airplanes thru , 613 and 631: (1) (Refer to Figure 1, Sheet 5, Detail E.) Loosen headliner and window molding to gain working access, as required. (2) (Refer to Figure 1, Sheet 5, Detail F.) Remove existing rivet in skin and bulkhead at approximately BL (3) (Refer to Figure 1, Sheet 6, Detail G.) Lay out and drill two (2) Number 40 (0.098 inch diameter) holes in Strap. (4) Position strap on bulkhead at and back drill two (2) Number 30 (0.128 inch diameter) holes. (5) Install strap on bulkhead at using two (2) MS20470AD4-4A5 Rivets. (6) Using the MS21047L3 Nutplate as a template, layout and drill two (2) Number 40 (0.098 inch diameter) holes thru strap and bulkhead at (7) Again, using the nutplate as a template, drill one (1) Number 10 (0.193 inch diameter) hole to match nutplate. (8) Install nutplate on strap and bulkhead at using two (2) MS20426AD3-4A Rivets. (9) Reinstall headliner and window molding in original position. (10) Press on headliner to locate nutplate and, using a sharp instrument, pierce headliner in nutplate location. (11) (Refer to Figure 1, Sheet 6, Detail H.) Install S Harness Assembly using one (1) Hook, Spring and MS Screw. C. Airplanes thru : (1) (Refer to Figure 1, Sheet 7, Detail I.) Loosen rear upholstery panel, as required, to gain working access to bracket. (2) Locate existing bracket at station , along lower edge of back window. Remove and discard existing nut and bolt. (3) Enlarge vacated hole by drilling one (1) inch diameter hole. (4) Install one (1) AN43B4A Bolt in enlarged hole and secure using one (1) MS21044N4 Nut. (5) Trim rear upholstery panel, as required to clear bolt, and reinstall in original position. (6) Install S Harness Assembly using one (1) Hook, Spring, MS Screw, and MS21042L3 Nut, and two (2) NAS1149F0332P Washers. Page 8

9 D. Airplanes thru , and 634. Installation is typical for left and right side. (1) (Refer to Figure 1, Sheet 8, Detail J.) Remove window molding and upholstery panels as required to gain working access to Stiffener. (2) Position Plate assembly over Stiffener as shown in Detail J. (3) Using the pilot holes in the Plate assembly as a template, match drill 18 Number 30 (0.128 inch diameter) holes thru Plate assembly and Stiffener. Ensure there is an appropriate edge distance between the number 30 holes and the radius of the Stiffener. (4) Deburr holes, install Plate assembly on Stiffener using 18 S rivets. (5) Reinstall rear upholstery panel and window molding. (6) Locate nutplate at and drill one (1) Letter F (0.257 inch diameter) hole thru window molding to match nutplate. (7) Install Harness Assembly as follows: (a) (Refer to Figure 1, Sheet 10, Detail P.) Install harness assembly using one (1) S Spacer two (2) NAS1149F0663P Washers and one (1) NAS43HT4-22 Spacer, and one (1) Cover, one (1) NAS1149F0463P Washer and one (1) NAS464P4A12 Bolt. E. Airplanes thru , 675, R thru R , F thru F , and FR thru FR (1) (Refer to Figure 1, Sheet 9, Detail K and L.) Loosen window molding to gain working access. (2) Locate existing nutplate at and drill one (1) Letter F (0.257 inch diameter) hole thru window molding to match nutplate. (3) Secure window molding in original position. (4) Install Harness Assembly as follows: (a) (Refer to Figure 1, Sheet 10, Detail P.) Airplanes thru , install harness assembly using one (1) S Spacer two (2) NAS1149F0663P Washers and one (1) NAS43HT4-22 Spacer, and one (1) Cover, one (1) NAS1149F0463P Washer and one (1) NAS464P4A12 Bolt. (b) (Refer to Figure 1, Sheet 10, Detail Q.) Airplanes thru and 675; R thru R ; F thru F ; and FR thru FR , install harness assembly using two (2) NAS1149F0663P Washers and one (1) NAS43HT4-22 Spacer, Cover and NAS464P4A8 or NAS464P4A10 Bolt. Ensure the installed bolt shank is not contacting the nutplate threads and that there is sufficient bolt/nutplate thread engagement. Page 9

10 3. Install seat belts. A. (Refer to Figure 2, Sheet 1, Detail A.) Install cockpit seat belts as follows: (1) Install seat belt half with the the link assembly on the outboard side of cockpit seat, as shown, and secure using existing hardware and one (1) MS21042L4 Nut. (2) Install seat belt half with buckle on the inboard side of the cockpit seat, as shown, and secure using existing hardware and one (1) MS21042L4 Nut. B. Install passenger seat belts. If seat belt installation requires the removal of seat, discard existing nuts and replace with new nuts. (1) Airplanes thru : (a) (Refer to Figure 2, Sheet 3, Detail E.) Install seat belt half with the the link assembly on the inboard side of passenger seat, as shown, and secure using existing hardware and one (1) MS21042L4 Nut. (b) (Refer to Figure 2, Sheet 1, Detail B.) Install seat belt half with buckle on the outboard side of the passenger seat, as shown, and secure using existing hardware and one (1) MS21042L4 Nut. (2) Airplanes thru , 613, 631; thru , 634, 675; and F thru F : (a) (Refer to Figure 2, Sheet 2, and 3, Detail C., E., and F.) Install seat belt half with the buckle on the inboard side of passenger seat, as shown, and secure using existing hardware and one (1) MS21042L4 Nut. (b) (Refer to Figure 2, Sheet 1, Detail B) Install seat belt half with link assembly on the outboard side of the passenger seat, as shown, and secure using existing hardware and one (1) MS21042L4 Nut. (3) Airplanes; R thru R ; and FR thru FR : (a) (Refer to Figure 2, Sheet 2, Detail D.) Install seat belt half with buckle on the inboard side of the passenger seat, as shown, and secure using existing hardware and secure using two (2) NAS1149F0432P Washers, and one (1) AN3-4A Bolt, NAS43HT4-11 Spacer and MS21042L4 Nut. (b) (Refer to Figure 2, Sheet 1, Detail B.) Install seat belt half with link assembly on the outboard side of the passenger seat, as shown, and secure using existing hardware and one (1) MS21042L4 Nut. 4. Adjust harness assembly as follows: A. To snug up shoulder strap, pull down on lower free end of strap. B. To loosen shoulder strap, pull up on cloth tab attached to lower adjustment fitting. 5. Make an entry in the airplane logbook stating this service kit has been installed. Page 10

11 Page 11 Figure 1. Shoulder Harness Installation (Sheet 1 of 9) ABC K E NUTPLATE LOCATION MAY VARY SLIGHTLY TO ENSURE NO INTERFERENCE WITH STRUCTURE IS PRESENT. DETAIL A LOOKING OUTBOARD AT COCKPIT GUSSET INSTALLATION (LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE) THRU , 613 AND 631 TRIM AND HAND FORM HEADLINER RETAINER TO MATCH GUSSET AND DOOR SILL NUMBER 40 (0.098 INCH DIAMETER) HOLE MS20426AD3-5A RIVET (2 REQUIRED) (LEFT) (RIGHT) GUSSET NOTCH RETAINER AT BEND PRIOR TO HAND FORMING TO PREVENT BUCKLE 11/64 (0.172 INCH DIAMETER) HOLE TO MATCH EXISTING GUSSET AN R9 SCREW NAS1149FN832P WASHER MS21044N08 NUT (7 REQUIRED) REAR DOORPOST LETTER F (0.257 INCH DIAMETER) HOLE MS21047L4 NUTPLATE TO MATCH GUSSET AND HEADLINER RETAINER UP FWD BRACKET MS20470AD3-5A RIVET 11/64 (0.172 INCH DIAMETER) HOLE RELOCATE TO MAINTAIN 0.25 MINIMUM EDGE DISTANCE IF NECESSARY S1021Z6-6 SCREW (1 IF REQUIRED) THRU , 613 AND 631 USE COCKPIT GUSSET INSTALLATION, DETAIL A OR DETAIL B, AS APPLICABLE TO AIRPLANE CONFIGURATION DOOR SILL

12 Page 12 Figure 1. Shoulder Harness Installation (Sheet 2) DETAIL B COCKPIT HARNESS INSTALLATION THRU AND 631 (LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE) UP FWD REAR DOORPOST ALIGN LOWER AFT CORNER OF HEADLINER RETAINER WITH GUSSET HEADLINER RETAINER USE A PUTTY KNIFE, OR EQUIVALENT, TO SEPARATE HEADLINER RETAINERS AT SPOT WELD LOCATIONS (LEFT) (RIGHT) GUSSET MS20470AD3-5A RIVET LETTER F (0.257 INCH DIAMETER) HOLE MS21047L4 NUTPLATE NUMBER 40 (0.098 INCH DIAMETER) HOLE MS20426AD3-5A RIVET (2 REQUIRED) 11/64 (0.172) INCH DIAMETER HOLE TO MATCH EXISTING GUSSET AN R9 SCREW NAS1149FN832P WASHER MS21044N08 NUT (7 REQUIRED) 0.50 NUTPLATE LOCATION MAY VARY SLIGHTLY TO ENSURE NO INTERFERENCE WITH STRUCTURE IS PRESENT THRU , 613 AND 631 USE COCKPIT GUSSET INSTALLATION, DETAIL A OR DETAIL B, AS APPLICABLE TO AIRPLANE CONFIGURATION. USE A PUTTY KNIFE, OR EQUIVALENT, TO SEPARATE HEADLINER RETAINERS AT SPOT WELD LOCATIONS

13 Page 13 Figure 1. Shoulder Harness Installation (Sheet 3) DETAIL C LOOKING FORWARD AT DOORPOST (LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE) D (RIGHT) (LEFT) DOUBLER (RIGHT) (LEFT) DOUBLER DETAIL D LOOKING FORWARD AT DOUBLER INSTALLATION THRU , AND 634 (LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE) INBD UP NUMBER 40 (0.098 INCH DIAMETER) HOLE COUNTERSINK 100 X 0.18 DIAMETER MS20426AD3-4A RIVET (2 REQUIRED) PICK UP EXISTING FASTENER NUMBER 30 (0.128 INCH DIAMETER) HOLE MS20470AD4-5A RIVET (2 REQUIRED) WL (TYPICAL) A A

14 Page 14 Figure 1. Shoulder Harness Installation (Sheet 4) VIEW A-A LOOKING OUTBOARD AT DOUBLER INSTALLATION (LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE) FWD UP NUTPLATE SPAR CARRY THRU OUTER BULKHEAD CHANNEL INNER BULKHEAD CHANNEL , RIGHT , LEFT DOUBLER MS20426AD3-4A RIVET 0.42 PICK UP EXISTING FASTENER LETTER F (0.257 INCH DIAMETER) HOLE THRU DOORPOST AND DOUBLER MS21059L4 NUTPLATE

15 Page 15 Figure 1. Shoulder Harness Installation (Sheet 5) DETAIL F LOOKING OUTBOARD AT PASSENGER HARNESS INSTALLATION SEATS THREE AND FOUR THRU , 613 AND 631 (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) F FWD UP DETAIL E PASSENGER HARNESS INSTALLATION (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) I J SKIN BULKHEAD MS SCREW SPRING HOOK S HARNESS UP FWD B G B SKIN BULKHEAD STRAP REMOVE EXISTING FASTENER VIEW B-B LOOKING AFT AT PASSENGER HARNESS INSTALLATION (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) STRAP MS SCREW FRAME BL MS21047L3 NUTPLATE

16 Page 16 Figure 1. Shoulder Harness Installation (Sheet 6) DETAIL H LOOKING AFT AT PASSENGER HARNESS INSTALLATION (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) DETAIL G LOOKING DOWN AT STRAP INSTALLATION (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) MS21047L3 NUTPLATE SPRING HOOK BULKHEAD S HARNESS MS SCREW STRAP E PICK UP EXISTING RIVET HOLE IN BULKHEAD FLANGE NUMBER 40 (0.098 INCH DIAMETER) HOLE COUNTERSINK 100 x 0.18 DIAMETER MS20426AD3-4A RIVET (2 REQUIRED) BL NUMBER 30 (0.128 INCH DIAMETER) HOLE MS20470AD4-4A5 RIVET (2 REQUIRED) NUMBER 10 (0.193 INCH DIAMETER) HOLE MS21047L3 NUTPLATE STRAP FWD BULKHEAD BULKHEAD H 0.25

17 Page 17 Figure 1. Shoulder Harness Installation (Sheet 7) DETAIL I PASSENGER HARNESS INSTALLATION THRU (LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE) EXISTING BRACKET MS SCREW NAS1149F0332P WASHER (2 REQUIRED) S HARNESS HOOK MS21042L3 NUT REMOVE AND DISCARD EXISTING BOLT AN43B4A BOLT REAR UPHOLSTERY PANEL TRIM AS REQUIRED TO CLEAR BOLT MS21044N4 NUT SPRING BL 0.00 NAS1149F0332P WASHER

18 Page 18 Figure 1. Shoulder Harness Installation (Sheet 8) DETAIL J LOOKING OUTBOARD AT PASSENGER SHOULDER HARNESS INSTALLATION (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) THRU , AND 634 FWD UP (LEFT) (RIGHT) PLATE STIFFENER WL USE EXISTING PILOT HOLES IN PLATE DRILL TO NUMBER 30 (0.128 INCH DIAMETER) HOLE. INSTALL S RIVET (18 REQUIRED). C C VIEW C-C LOOKING AFT AT PASSENGER SHOULDER HARNESS INSTALLATION (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) OUTBD UP NUTPLATE SKIN (LEFT) (RIGHT) PLATE STIFFENER

19 Page 19 Figure 1. Shoulder Harness Installation (Sheet 9) DETAIL K COCKPIT HARNESS INSTALLATION thru , 631, and 634 (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) SPACER DETAIL M thru , 634 (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) DETAIL L thru , and 631 (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) COVER HARNESS FWD UP L M NAS1149F0663P WASHER (2 REQUIRED) NAS43HT4-22 SPACER NAS1149F0463P WASHER SPACER COVER NAS464P4A12 BOLT HARNESS NAS1149F0663P WASHER (2 REQUIRED) NAS43HT4-22 SPACER NAS464P4A13 OR NAS464P4A14 BOLT

20 Page 20 Figure 1. Shoulder Harness Installation (Sheet 10) DETAIL N PASSENGER HARNESS INSTALLATION THRU , 634, 675 R THRU R F THRU F FR THRU FR (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) HARNESS S SPACER DETAIL O (LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE) MOLDING WINDOW LETTER F (0.257 INCH DIAMETER) HOLE TO MATCH EXISTING NUTPLATE 4.50 DETAIL P THRU , 634 (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) DETAIL Q THRU , 675 R THRU R F THRU F FR THRU FR (RIGHT SIDE SHOWN, LEFT SIDE OPPOSITE) COVER NAS464P4A12 BOLT HARNESS NAS1149F0663P WASHER (2 REQUIRED) NAS43HT4-22 SPACER COVER NAS464P4A8 OR NAS464P4A10 BOLT FWD UP P Q O P Q HARNESS NAS1149F0663P WASHER (2 REQUIRED) NAS43HT4-22 SPACER NAS1149F0463P WASHER

21 Page 21 Figure 2. Seat Attachment Installation (Sheet 1 of 3) A B C DETAIL A COCKPIT INBOARD AND OUTBOARD SEAT BELT ATTACHMENT (LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE) BOLT S HARNESS SPACER SEAT FITTING WASHER MS21042L4 NUT SPACER MS21042L4 NUT DETAIL B PASSENGER OUTBOARD SEAT BELT ATTACHMENT (LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE) BOLT HARNESS D COCKPIT AND PASSENGER SEAT BELT ATTACHMENT THRU SHOWN OTHER SIMILAR

22 Page 22 Figure 2. Seat Attachment Installation (Sheet 2) S HARNESS MS21042L4 NUT BOLT DETAIL C PASSENGER INBOARD SEAT BELT ATTACHMENT THRU AIRPLANE SERIALS THRU , 613, 631 ARE SIMILAR DETAIL D PASSENGER INBOARD SEAT BELT ATTACHMENT R THRU R FR THRU FR AN3-4A BOLT NAS43HT4-11 SPACER BOLT WASHER LATCH NUTPLATE MS21042L4 NUT NAS1149F0432P WASHER HARNESS NAS1149F0432P WASHER SPACER

23 Page 23 Figure 2. Seat Attachment Installation (Sheet 3) DETAIL E PASSENGER INBOARD SEAT BELT ATTACHMENT THRU , 634 AIRPLANE SERIALS THRU , 675 AND F THRU F ARE SIMILAR HARNESS MS21042L4 NUT BOLT SPACER DETAIL F PASSENGER INBOARD SEAT BELT ATTACHMENT THRU F THRU F BOLT MS21042L4 NUT SPACER HARNESS