Single Engine 

SERVICE KIT 

SKI 95-1 1 

TITLE 

PILOT SECONDARY SEAT STOP INSTALLATION 

EFFECTIVITY 

Model 

190 

190 

1 95 

195 

195A 

t95A 

195B 

1958 

Year 

1948 thru 1953 

1948 thru 1 953 

1948 thru 1953 

1 948 thru 1953 

1948 thru 1953 

1948 th~ 1953 

1948 thru 1953 

1 948 thfu 1953 

Serial Numbers 

7004 thru 7999 

16000 thru 16183 

7004 thru 7999 

1 6000 thru 1 61 83 

7004 thru 7999 

16000 thru 161 83 

7004 thru 7999 

16000 thru 16183 

DESCRlPTtON 

To install a new-design secondary seat stop. 

APPROVAL 

FAA approval has been obtained on technical data in this publication that affects airplane type design. 

REFERENCE 

CHANGE IN WEIGHT AND BALANCE 

MODEL ................. WEIGHT INCREASE ......... 1.3 pounds 

ARM .................... Refer to the Airplane Weight and Balance Report and 

Equipment List to calculate the Arm and the Moment. 

RESULTANT MOMENT ....... MOMENTllOOO ............ 

May 14, 2007 Page 1 of 9 I 

To obiain sst~dacro~ results, procedures specified in his publrcatioo must be accomplished in accordance with accepted rnetmds and 

preva ling govornrnent regulations. Gessr~a Aircrtift Company cannor be responabb for tb qual\ty of work perlormed n accornplkhing the 

requirements of th~s publication. 

CeSOnfl AlrcrsR Company. Product Supporl. P.D. Box 7706, Wichtta, Yansas 67277, U.S A. (310) 5i7-50a0, Facs~mrle (3181 942.9008 

COPYRIGHT Q 2007 
SERVICE KIT - - - - - 

SKI 95-1 1 

MATERIAL INFORMATION 

The parts below install the secondary seat stop on the pilot seat for one airplane. 

NEW PIN QUANTITY DESCRlPTlON OLD PM DISPOSITION 

1 Kit, consisting of the 

following parts: 

1 

24 inches 

Nut 

Bolt 

Screw 

Grommet 

Pin 

R~vet 

Rivet 

Nut 

Cotter Pin 

Lock Washer 

Washer 

Washer 

Washer 

Grommet 

Bracket 

Extrusion 

Doubler Assembly 

Reel Assembly 

Instructions 

Tho material, or equivalent, listed in this table will be necessary. 

NAME 

Adhesive 

None 

None 

None 

None 

Same 

None 

None 

None 

Same 

None 

None 

None 

None 

None 

None 

None 

None 

None 

NUMBER MANUFACTURER 

EC1300LP (1 Pint) Cessna Aircraft Company 

Cessna Parts Distribution 

5800 East Pawnee 

PO Box 1521 

Wichita, KS 672 18 

None 

None 

None 

None 

Discard 

None 

None 

None 

Oiscard 

None 

None 

None 

None 

None 

None 

None 

None 

None 

USE 

To install the 

grommet 

ACCOMPLISHMENT INSTRUCTIONS 

1. Prepare the airplane for maintenance. 

A. Make sure that all switches are in the OFFlNORM position. 

8. Disconnect electrical power from the airplane. , 

(1) Disconnect the airplane battery. 

Page 2 
SERVICE KIT 

(2) Disconnect externaf electrical power. 

C. Attach maintenance warning tags to the battery and external power receptacle that have "DO NOT 

CONNECT ELECTRICAL POWER - MAINTENANCE IN PROGRESS" written on them. 

2. Remove the airplane interior and the access panels as necessary to get access to Ihe seats and floorboard 

areas where you must install the seat stop. (Refer to the applicable sections of the Service Manual.) 

3. Do an inspection of the seat rails, rollers, roller housings, and stop pins. Refer to Cessna Service 

Information Letter SE83-6 and FAA Airworthiness Directive (AD) 87-20-03 Revision 2 or subsequent 

revis~on. 

4. Repair or replace components as necessary. 

5, Install the secondary seat stop as follows: 

NOTE: You can remove and install the seat as necessary as you do this installation. 

A. (Refer to Figure 1, Detail A and View G-G.) Make the 0399377-3 Cable End Mounting Bracket 

as follows: 

(1) Cut the 0399377-3 Cable Erld Mounting Bracket to the correct drmenslons from the 0399377-4 

Extrusion. 

(2) Remove the sharp edges of the 0399377-3 Cable End Mounting Bracket. Do not drill holes 

in the 0399377-3 Cable End Mounting Bracket at this time. 

B. (Refer to Figure I, Detail A and Views A-A, B-B, and G-G.) Install the 0399377-3 Cable End 

Mounting Bracket as follows: 

(1) Temporarily install the 52300-26 Bracket on the 505530-40t Cable Assembly with the two 

AN316-5R Nuts and the two MS35333-41 Lock Washers. Make sure that you put the 52300-26 

Bracket on the center of the threaded end of the 505530-401 Cable Assembly. 

NOTE: You can make the hole in the S2300-26 Bracket larger to a 0.312-inch diameter. 

(2) Remove and d~scard the existing forward MS20392 Pin on the left seat-stop pin release handle. 

(3) Install the 505530-401 Cable Assembly with the MS20392-1 C23 Pin and the two 

NAS1149FN432P Washers. 

(4) Attach the stop pin spring and install the MS24665-132 Cotter Pin temporarily, as necessary. 

(5) (Refer to Figure 1, View A-A.) Attach the 505530-401 Cable Assembly to the 505590-401 

Reel Assembly. 

(6) (Refer to Figure 1, Detail B.) Put the seat stop in the lully engaged position, 

(7) (Refer to Figure 1, Views A-A and B-0.) Put the 0399377-3 Bracket and the S2300-26 Bracket 

in position. 

(8) Keep an edge distance of no less than two fastener diameters between the edge of the 

0399377-3 Cable End Mounting Bracket and the center of the fasteners that you will install 

in the bracket. 

(9) (Refer to Figure 1, View G-G.) Drill four Number 30 (0.128-inch diameter) holes in the seat 

frame and the 0399377-3 Cable End Mounting Bracket for the MS20470AD4-4 Rivets that 

install the 03993n-3 Cable End Mounting Bracket to the seat frame. 

(10) Deburr and apply Alodine to the holes. 

(11) Attach the 0399377-3 Cable End Mounting Bracket to the seat frame with temporary fasteners. 

C. (Refer to Figure 1, Detail 0.) Install the seat in the airplane with each of the seat stop pins fully 

inserted into a seat rail hole. 

D. (Refer to Figure I, Views A-A and 0-8.) Put the S2300-26 Bracket in position and make marks 

for the hole locations. 

SKI 95-1 1 

Page 3 
SERVICE KIT 

(Refer to Figure 1, View B-B.) Remove the 505530-401 Cable Assembly from the MS20392-1 C23 

Pin. 

(Refer to Figure 1. Detail A,) Remove the S2300-26 Bracket from the 505530-401 Cable Assembly. 

Remove the 0399377-3 Cable End Mounting Bracket from the seat frame. 

Drill two Number 30 (0.1 28-inch diameter) holes in the 0399377-3 Cable End Mounting Bracket for 

the rivets that attach the 52300-26 Bracket. 

Deburr and apply Alodine to the holes. 

lnstall the S2300-26 Bracket to the 0399377-3 Cable End Mounting Bracket with the two 

MS20470AD4-5 Rivets. 

(Refer to Figure 1, Detail A.) Attach the 0399377-3 Cable End Mounting Bracket to the seat frame 

with the four MS20470AD4-4 Rivets. 

(Refer to Figure I , View B-B.) Install the 505530-401 Cable Assembly in the S2300-26 Bracket with 

the two AN316-5R Nuts and the two MS35333-41 Lock Washers. Do nat tighten the AN31 6-5R Nuts. 

Attach the 505530401 Cable Assembly to the MS20392-1 C23 Pin again with the two 

NASl149FN432P Washers. 

Attach the stop pin spring or ~nstall the MS24665-132 Cotter Pin, as necessary. 

(Refer to Figure I, Views D-D and E-E.) Make two 0399377-2 Belt Reel Brackets as iollows: 

1 Cut the 0399377-2 Belt Reel Brackets to the correct dimensions from the 0399377-4 Extrusion. 

(2) Drill four 0.203-inch diameter holes in each of the two 0399377-2 Belt Reel Brackets. 

(3) Deburr and apply Alodine to the holes. 

(Refer to Figure 1, View A-A,) With the four ANS25-10R8 Screws, NASt149F0332P Washers, and 

MS21042-3 Nuts, install the belt reel frame of the 505590-401 Reel Assembly to the two 0399377-2 

Brackets. Put the 0399377-2 Brackets in position with the two flanges together. 

Drill four 0.203-inch diameter holes in the 031 1302 Stiffener on the seat base assembly to match the 

holes in the two 0399377-2 Brackets. 

Deburr and apply Alodine to the holes. 

(Refer to Figure 1, View A-A,) With the four AN525-1 OR8 Screws, NAS1149F0332P Washers, and 

MS21042-3 Nuts, install the two 0399377-2 Brackets (with the 505590401 Reel Assembly ~nstalled) 

to the 031 1302 Stiffener on the seat base assembly. 

(Refer to Figure 1, View A-A and View 0-B.) Install the Si050-2 Grommet in the forward side of the 

lightening hole in the 0311 302 Stiffener and install the HB80015 Grommet on the forward edge of 

the seat frame as follows: 

(1) Solvent clean the area around the hole where you will install the S1050-2 Grommet. Make sure 

that you remove all dust, dirt, lint, grease, oil, and moisture. 

(2) Put ECl300LP Adhesive on the surfaces of the seat frame, 0311302 Stiffener, and grommets 

that you will bond together. 

(3) Put the grommets on the 031 1302 Stiffener and push the grommets tightly against the 031 1302 

Stiffener and the forward edge of the seat frame. 

(4) If there is too much adhesive, clean it from the surface. 

(5) Hold the grommets in position with a fixture or clamps until the adhesive cures. 

(Refer to Figure I, View C-C.) Install the 1299377-1 4 Doubler Assembly as follows: 

(I ) Find the best position under the floorboard to install the 1299377-1 4 Doubler Assembly. 

It must be within the shaded area in View C-C of Figure 1 

It must be between the seat rails 

Page 4 
SERVICE KIT 

It must be forward of the first hole for the seat stop pins + It must align with the attach point of the 505590-401 Reel Assembly to the seat base frame 

There must be no interference between the 1299377-14 Doubler Assembly and the 

structure of the airplane. 

(2) Use the 1 299377-1 4 Doubler Assembly as a pattern. 

(3) Drill one 0.266-inch diameter hole through the floorboard to attach the belt end fitting. 

(4) Drill four Number 30 (0.128-inch diameter) holes through the floorboard. 

(5) Install the 1299377-14 Doubler Assembly to the floorbaard with the four MS20470AD4-4 Rivets. 

V, Install the carpet or other floor coven'ng. 

W. Find the 0.266-inch diameter hole in the floorboard and make a hole in the floor covering to match 

the 0.266-inch diameter hole in the floorboard. 

X. (Refer to Figure 1, Views C-C and F-F.) Attach the belt end fitting to the noorboard and the 

1299377-1 4 Doubler Assembly with the AN4-5A Bolt and the NAS1149F0432P Washer. 

NOTE: You can use a longer AN4 Bolt as necessary to make sure that the bolt threads engage 

correctly. 

Y. (Refer to Figure 1, Detail 6.) With the seat installed in the airplane, put the seat stop pin on the 

top of the seat rail and put the seat in position. 

6. (Refer to Figure 1, Detail B and Views A-A and B-B.) Adjust the manual lock as follows: 

A. Put the stop pins 0.10 inch above the seat rail. 

8. Adjust the 505530-401 Cable Assembly at the 52300-26 Bracket with the AN31 6-5R Nuts to release 

the belt reel manual lock. 

C. Put the stop pin 0.05 inch above the seat rail. 

0. Adjust the 505530-401 Cable Assembly at the S2300-26 Bracket with the AN31 6-5R Nuts to lock the 

belt reel manual lock. 

E. If necessary, do Step 6 again until you see that the manual lock operates correctly. 

F. Tighten the AN31 6-5R Nuts. 

7. Install the equipment that you removed to get access to the seats and floorboard areas where you 

installed the seat stop. 

8. Remove maintenance warning tags and connect the airplane battery. 

9. Make an entry in the airplane logbook that this Service Kit has been installed. 

SKI 95-1 1 

Page 5 
SERVICE KIT 

NOTE 1: All dimensions shown 

are in inches. 

Attach Point for 

505530-401 

Cable Assembly lo 

505590-401 

Reel Assembly 

(Reference) 1 505590-401 031 1302 cnet / 

Reel Assembly Stiffener 

(I Required) (Reference) 

, AN525-1 OR8 Screw \ 

"Wb 

Centerline / 505530-401 i / Cable Assembly /DA<-w---A$ 

I NASl149F0332P Washer 

! MS21042-3 Nut I ' 4 ah ire \ 

Lightening 

Centerline 

,0399377-2 

,Belt Reel Bracket 

/(2 Required) 

, 0.203-Inch 

1 Diameter Hole \ AN525-10RB - S1050-2 

MS20392-1 C23 

Pin 

MS24665-132 

Cotter Pin 

(Reference) 

Left Stop Pin 

-.-.7--<, u Spring 

! screw 1 ) Grommet Cable End I NAS1149F0332P (1 Required) Mount~ng 

Washer F\Nn Bracket . / - I ~ft S~at Stnn Pin \\ 

H8800 1 5 MS21042-3 

ht, I+ Grommet I*UL 

(4 Each Required) (1 Requirec 

11Y - --- - J49FN432P ""' "-P' ' "' 

(Reference) Washer Release Handle 

(Reference) (Reference) 

VIEW A-A nnnn-77 

--- View Looking - Down . - .- 

Figure 1. Pilot Secondary Seat Stop Installation (Sheet 1) 

SKI 95-1 1 

Page 6 
SERVICE KIT 

NAS1149FN432P 

Washer 

MS20392-1 C23 AN31 6-5R Nut 

MS24665-132 MS35333-41 

Cotter Pin Lock Washer 

(1 Each Required) 

CaDIe End 

(Reference) 

View Looking Inboard at Lett Seat Stop 

Left Side of Seal Frame Not Shown 

Left Seat Stop Pin Spring Not Shown 

Number 30 

(0.128-Inch Diameter) Hole 

MS20470AD4-4 Rivet 

(4 Each Required) 

0.266-Inch Diameter Hole 

AN4-5A Bolt 

f 299377-1 4 

Doubler Assembly 

Seat Rail 

FWD I) 

VIEW C-C 880399T377 

cmgar37 

-- 7 

Figure 1. Pilot Secondary Seat Stop Installation {Sheet 2) 

Page 7 
SERVICE KIT 

0399377-2 

Belt Reel 

0.20 Bracket 

Radius nypical) (Reference) 

(Typical) VIEW D-D 

(Note 2) 

A 

'6 3._ 

0.203-Inch 

Bracket Diameter Hole 

(Reference) (4 Required) 

VIEW E-E 

AN4-5A Bolt 

NASI 149F0432P 

(1 Each Required) 

Floorboard 

1299377-1 4 

Doubler Assembly 

(1 Required) 

i NOTE 2: Screw hale locations mus! 

align with 505590-401 

FWD * 

Re9 Assembly. VIEW F-F K~O399T377 

Right Side of Seat Frame Not Shown EEDX9T377 

-. . . FF0398TJ77 

Figure I. Pilot secondary Seat Stop istallation (Sheet 3) 

SKI 95-11 

Page 8 
SERVICE KIT 

SKI 95-1 1 

S2300-26 NOTE 3: Rivet hole location 

Bracket Number 30 must align with 

(1 Required) 0.128-Inch Diameter S2300-26 Bracket. 

Hole 

MS20470AD4-5 Rivet 

(2 Each Required) 

I (Note 3) 0.55 'Typical) 

Rivet Hole 1 (4 Required) (4 Required) 

DETAIL A VIEW G-G 

DETAIL B DETAIL B DETAIL B 

Pin fully engaged Pin on top of Seat Rail Pin 0.10 (+0.05 or -0.00) 

Belt Reel locked To 0.05 above the Seat Rail Belt Reel unlocked ~3993377 

Belt Reel Imked , ~~02.99~377 80389T377 -- . - .- . > . . .- . -. . 

Figure 1. Pilot Secondary Seat Installation (Sheet 4) 

Page 9