Caravan SERVICE BULLETIN
CAB-30-02
(l) Put the tubing into the c oupling body and move the sealing ring into th e recess at the
end of the coupling body.
(m) Push the t ubing toward the coupling body to make t he olive hold the sealing ring in
position.
(n) Engage and fi nger tigh ten the nut.
(o) Ti ght en the nut until the torque starts to increase quickly (to ap prox im ately 180° from
finger tight).
(p) Use safety wire to s afety nu ts only where it is spec ified in t he instructions. If not specified
in the ins truct ions, s afety wi r e is not neces sary on the T KS fittings.
(9) (Re fer to Figure 2.) When tubing repair or replacement is neces s ary, t he olive mus t always
be clenched (swage d) to the tubing as a s eparate operation . Use approv ed clenching tools
before you ass emble the coupling.
(10) (Refer to F igure 2.) As s emble the nylon tu bing and t he couplings in accordance w ith approved
maintenance prac tices.
2. (Refer to Figure 1, View A-A .) Remove the old B3 N21050S Propelle r and inst all the new B3N21100S
Propeller. (Ref er to the 208 Maintena nc e Manual, Chapter 30, TKS Propeller - Maintenance Prac tices
and Chapter 61, Propeller.)
3. Do the forwa rd-of-firewal l TKS line installation:
A. Remove the lower le ft cowling panel, right u pper engine cowling, and right nose cap. (Refer to the
208 Ma intenanc e M anual, Chapter 71, Engine Cowli ng and Nose Cap - Main tenance Practices .)
B. (Refer to F igure 1, View D -D.) Put the 624023-4-0454 Hose Assembl y in po sition on t he airplane.
C. At the 2652035-10 Upper Center Cowl, connect the 624023-4-0454 Hose Asse mbl y to the
windshield spray bar assembly.
D. With the two MS21919WCJ12 Clam ps , one MS9024-09 Clamp, one AN3-3A Bolt, and one
MS21042-3 Nut, attach t he 624023-4-0454 Hose Assembly as shown.
E. Remove the AN929-L4J Cap on the ZN 6261 Fitting in the fi r ewall at WL 80.77 and RB L 16.16.
F. Attach the end of the 624023-4-0454 Hose Assembly (that is not connected to the windshield
spray bar assembly) to the 2601538 Cargo Pod Tube Fuselage Routing in th e firew all at WL 8 0.77
and RBL 16.16.
G. (Refer to Figure 1, Detail A.) Attach the ZN6261 Fitting to t he 13125-02 Prop eller Noz zle Brac k et
with t he ZN6079 Nut and the NAS1149F076 3P Washer.
H. Attach the 13125-04 Propeller Nozzle to the ZN6261 Fitting with the ZN4856 Nut.
I. (Refer to Figure 1, Det ail A, D etai l B, an d View C-C.) Adjust the angle of t he 1 3125-04 Propeller
Nozzle as necess ary to the tolerance sh own and t hen tighten and safety wire the nut.
J. Atta ch the 624023-4-079 2 Hose Assembly t o the 13125-04 Prop Nozzle .
K. (Refer to Figure 1, View A-A.) With the three MS21919WCJ12 Clamps, t wo MS21919WCJ18
Clamps, one MS21919WCJ20 Clamp, three A N3-3A B olts , and three MS21042-3 Nuts, attach the
624023-4 -0792 Hose Assembl y to the engine trus s at the positions shown.
L. With the MS 21919WCJ12 Clamp, attach the 624023-4-0792 Hose Ass embly at the igniter lead
routing.
M. (Refer to Figure 1, View A-A an d View B -B .) With two MS21919WCJ12 Cla mps, at tach the
624023-4 -0792 Hose Assembly at the oil cooler installation.
N. (Refer to Figure 1, View A-A and View D-D.) Rem ov e the AN929-L4J Ca p on the ZN 6829 Fitti ng
on the firewal l at WL 80.77 adjac ent t o the fi t ting where you attached the 624023-4-0454 Hos e
Assembly.
CAB-30-02
May 17, 2013 Page 7
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