Caravan SERVICE BULLETIN
CAB-30-02
(107)Wait until the fluid sta rts to come out all the holes at t he sam e rat e along the full length of the
panel a nd increase the pressure to 65 p si.
(108)Continue the fluid purge until the panel i s correc tly purged in ac co rdanc e with Figure 3 and
Table 2.
NOTE: To get an even flow over the panel it may be necess ary to lightly run a dry cloth or
paper to wel over the leading edge a nd/ or t he dry spots of the panel during purging.
(109)Stop the fluid supply.
(110)Wa it until the fluid pressure is released.
(111) Disconnec t the purge tank lin es .
(112)Install a new S2800- 942 Sealing R ing and connect the left horizont al stabilizer TKS supply line
to the tailcone proportioning unit.
(113)Disconnect the right horizon tal st abil izer TKS panel supply line from t he tailcone proportioning
unit.
(114)Connect t he purge tank lines to th e right horizontal s tabilizer TKS panel as near to the panel as
you can.
(115)Apply pressure of 10 ps i, do a check for leaks in the line, and repa ir all leak s .
(116)Apply pressure of 20 psi to slowly start the flui d flow through the panel.
(117)Wait until the fluid sta rts to come out all the holes at the same rat e along the f ull length of the
panel a nd increase the pressure to 65 p si.
(118)Continue the fl uid purge until the panel is correctly purged in accordance w ith Figure 3 and
Table 2.
NOTE: To get an even flow over the panel it may be necess ary to lightly run a dry cloth or
paper to wel over the leading edge a nd/ or t he dry spots of the panel during purging.
(119)Stop the fluid supply.
(120)Wait until the fluid p ressure is released.
(121)Disconnect the purge tank lin es .
(122)Install a new S2 800-942 Sealing Ring and connec t the right horizontal stabilizer T KS supply
line to the tailcone proportioning unit.
(123)Disconnect the v ertica l stabilizer TKS panel supply li ne from the tailcone p ro portioning unit.
(124)Connect the vertical stabilizer TKS panel suppl y line directly to the purg e cart.
(125)Apply pressure of 10 ps i, do a check for leaks in t he line, and repair all leak s .
(126)Apply pressure of 20 psi to s lowly s tart the fluid flow through the panel.
(127)Wait until the fluid sta rts to come out all the holes at t he sam e rat e along the full length of the
panel a nd increase the pressure to 75 p si.
(128)Continue the fluid purge until the panel i s correc tly purged in ac co rdanc e with Figure 3 and
Table 2.
NOTE: To get an even flow over the panel it may be necess ary to lightly run a dry cloth or
paper to wel over the leading edge a nd/ or t he dry spots of the panel during purging.
(129)Stop the fluid supply.
(130)Wait until the fluid p ressure is released.
(131)Disconnect the purge tank lin es .
CAB-30-02
May 17, 2013 Page 15
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