5. Close-up
________ R Subtask 21-52-00-410-056
 A. Close Access
 (1) Install as required:
 (a)
 The pipe assembly (Ref. TASK 21-52-23-400-001),

 (b)
 The pipe assembly (Ref. TASK 21-52-23-400-002) and/or

 (c)
 The pipe assembly (Ref. TASK 21-52-23-400-003).

R

R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 TASK 21-52-00-200-003
 Detailed Visual Inspection of the Anti-Ice Valve Sense-Lines
 1. Reason for the Job__________________
 Self Explanatory
 2. Job Set-up Information______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R  21-61-41-000-002 21-61-41-400-002 CMM 215200 Removal of the Anti-Ice Valve Sense-Lines AssemblyInstallation of the Anti-Ice Valve Sense-Lines Assembly 
**ON A/C 001-049, 051-099, 101-105, 151-158, 201-210,
 21-52-00-991-007  Fig. 603 
R  **ON A/C 106-149, 159-199, 211-299, 301-399,
 21-52-00-991-007-A  Fig. 603A 
R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 3. Job Set-up__________
 Subtask 21-52-00-010-057
 A. Get Access
 NOTE : To do a complete visual inspection of the sense lines they must be____ removed from the aircraft (refer to para. 4A. (2)). You can do a partial visual inspection of the sense lines when they are installed in the aircraft (refer to para. 4A.(1)). 

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 (1) Remove the anti-ice valve sense-lines as necessary (Ref. TASK 21-61-41-000-002).
 4. Procedure_________
 **ON A/C 001-049, 051-099, 101-105, 151-158, 201-210,
 (Ref. Fig. 603/TASK 21-52-00-991-007) 
R  **ON A/C 106-149, 159-199, 211-299, 301-399,
 (Ref. Fig. 603A/TASK 21-52-00-991-007-A) 
R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 Subtask 21-52-00-210-050
 A. Visual Inspection of the Anti-Ice Valve Sense-Lines
 (1) With the sense lines installed in the aircraft:
 (a) Remove the connecting clamps. 
R R R  (b) Do a check of the sense lines for: - distortion, - cracks, - dents, - kinks, - other damage which can have an effect on the cross-sectional area of the sense lines, - damage to the painted coating and/or corrosion protection, - corrosion. 
R R  (c) If you find: - damage to the painted coating and/or corrosion protection, - corrosion, then you must do the necessary repair(s) (Ref. CMM 215200). 
R R  (d) If you find other types of damage, you must replace the related sense line(s) (Ref. TASK 21-61-41-000-002) and (Ref. TASK 21-61-41-400-002).
 (e) Install the connecting clamps. 

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 Anti-Ice Valve Sense Lines Assembly - Component Location
 Figure 603/TASK 21-52-00-991-007

R 1EFF : 001-049, 051-099, 101-105, 151-158, 1 21-52-00Page 619 1201-210, 1Aug 01/05 1 1 1CES 1

 Anti-Ice Valve Sense Lines Assembly - Component Location
 Figure 603A/TASK 21-52-00-991-007-A

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 (2) With the sense lines removed from the aircraft: 
R R R R R  (a) Do a check of the nuts and ferrules at the ends of the sense lines for: - damage to the ferrules or to the threads of the nuts. - other damage to the nuts or ferrules, e.g. rounded flats on the nuts, indentations or scratches on the ferrules etc. 
R R R  (b) Do a check of the sense lines for: - distortion, - cracks, - dents, - kinks, - other damage which can have an effect on the cross-sectional area of the sense lines, - damage to the painted coating and/or corrosion protection, - corrosion. 
R R  (c) If you find: - damage to the painted coating and/or corrosion protection, - corrosion, then you must do the necessary repair(s) (Ref. CMM 215200). 
R R  (d) If you find other types of damage, then you must replace the related sense line/s (Ref. TASK 21-61-41-000-002) and (Ref. TASK 21-61-41-400-002).
 5. Close-up________
 Subtask 21-52-00-410-055
 A. Close Access
　
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