SERVICE KIT
SK 208-179B
(e) With the two S 2906-4-2 Rivets, fiv e MS20470AD4-4A Rivets, and one CM 3827AD4-4A
Rivet, install t he 2613495-6 T KS Right Aft Doubler to the structure.
(f) With the 19 MS20470AD4-4A Rivets, install the 2613495-4 TKS Right Forward Doubler
to the structure.
D. (Refer to Figure 5, View D-D, Detail H, and Detail J. ) Do the modification of the 2611127-22
Floorboard Assembly as follows:
(1) Remov e the 2 611058-22 Acces s Cover from the 2611127-22 Floorboard Ass embly. Keep
the attac hment hardware.
(2) Make marks for the hole that you will make i n the 2611058-22 Ac c es s Cover.
(3) With a permanent m ark er, draw a line through the 2611058-22 part number on the 2611058-22
Access Cover.
(4) With the p ermanent mark er, write the new part number of 2611058-26 on the access cover.
(5) Install the 2611058-26 Acces s Cover with the kept attachment hardware.
(6) Deburr and apply Alodine t o bare metal.
(7) With U000978S A dhes ive, install the S1050-3-3.70 Grommet and the S1050-1-1.40 Grom met
in t he new hole .
E. (Refer to Figure 8, View J-J .) With U000978 S A dhes ive, install one S 1050-1 Gromm et of the correc t
length on the flanges of the tank.
F. (Refer t o Figure 8.) I ns tall the nutplates for the tank as follows:
(1) Put the tank in pos ition on t he belly of the airplane.
(2) (Refer t o Figure 8, View C-C, View D-D, and View E - E.) In the airpla ne belly, match drill 16
holes that are from 0.167-in ch to 0.171-inch in diameter.
(3) (Refer to Figure 8, Detail C.) On the left and the right side of the belly at the locations s hown
near FS 128.00 and LBL 8. 00 and RBL 8.00, drill one 0.25-inch diameter hole in eac h of the
two ta nk forward brackets for clearance of t he rivet heads at this location.
(4) (Refer to Figure 8, View F-F and View G-G.) Drill 24 Num ber 40 (0.098-inch diameter) holes
through the doubler and the s kin only for the rivet ho les to attach the nut plates.
(5) (Refer to Figure 8, View H-H.) Dril l eight Number 40 (0.098-inch diameter) holes through the
doubler, skin, an d bulkhead segment for the rivet hol es to attac h the nut plates .
(6) Countersink the 32 rivet holes and apply Alodine to bare met al.
(7) With the 32 MS20426AD3-4A R ivets, install the 14 MS21047L08 Nutplate s and the two
MS2 1073L08 Nutplates to the structu re.
G. (Refer to Figure 11.) Inst all the tank str aps a s follows :
(1) Use t he tank to help find the correct i ns tallation position for the ta nk straps.
(2) (Refer to Figure 11, View A-A and View B-B.) Make marks f or and matc h drill four Number
30 (0.128-inch diameter) holes in each of t he t wo 2613495-7 TK S F orward S trap Angles
and the structure.
(3) Make marks for and match drill five Number 30 (0. 128-inch diamet er) holes in each of the t w o
2613495-8 TKS Aft Strap An gles and the s truct ure.
(4) (Refer to Figure 11, Detail A.) On the righ t side, remove the rivet in the 2613499 Longero n
Assembl y at RBL 19.00.
(5) (Refer to Figure 11, View C-C and View E-E.) Align the 2601548-1 Forward Left Strap
Assembly and the 26015 48-2 F orward Right Strap Asse mbly with the 26 13495-7 TKS Forward
SK208-179B
Page 18 February 7, 2013
To Next Page
Loading...
