Subtask 53-15-11-860-052
A. Energize the ground service network (Ref. TASK 24-42-00-861-001).
Subtask 53-15-11-941-052
B. Get Access
(1)
Put an access platform in position at zone 110 and an access platform in position at zone 811.
(2)
Open the forward avionics-compartment door 811 (Ref. TASK 52-41-00-010-002).
(3)
Install warning notices in the cockpit to tell persons not to operate the radar system.
EFF : ALL
53-15-11Page 602
Subtask 53-15-11-865-053
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU COM NAV/RADAR/1 5SQ1 K13
R **ON A/C 051-099,
R 121VU COM NAV/RADAR/2 5SQ2 K14 R **ON A/C ALL
Subtask 53-15-11-100-050
D. Cleaning of the Radome
(1)
Remove all the particles and contamination with a vacuum cleaner.
(2)
Clean the radome with CLEANING AGENTS (Material No. 11-001A) or CLEANING AGENTS (Material No. 11-001Q) and a soft brush or a lint-free cotton cloth MISCELLANEOUS (Material No. 19-003).
(3)
Dry the radome with a lint-free cotton cloth MISCELLANEOUS (Material No. 19-003) before the CLEANING AGENTS (Material No. 11-001A) or CLEANING AGENTS (Material No. 11-001Q) becomes dry.
Subtask 53-15-11-210-055
E. Preparation for the Inspection
(Ref. Fig. 601/TASK 53-15-11-991-019)
(1) Do a check of the inspection area for damage in Zone A around the fittings. If there is damage:
(a)
Immediately remove (Ref. TASK 53-15-11-000-001) and send the radome to a repair station.
(b)
Install a new radome (Ref. TASK 53-15-11-400-001).
EFF : ALL
53-15-11Page 603
R R Damage Areas Figure 601/TASK 53-15-11-991-019
EFF : ALL 53-15-11 Page 604 Aug 01/03
CES
(2) Do a check of the inspection area for damage in Zone B. If there is damage: (Ref. Fig. 602/TASK 53-15-11-991-020)
(a) Measure the distance between the damage areas. 1 The distance between two adjacent areas, X, must be more than
_ X min. X min must be less than or equal to 300 mm (11.8110 in.) and more than or equal to max. (dia.i, dia.j).
2 If X is less than X min, there is one damage area.
_ 3 If X is less than or equal to 300 mm (11.8110 in.) and more
_ than or equal to X min, there are two different damage areas.
4 If X is more than 300 mm (11.8110 in.), there are two
_
different damage areas.
(b) Measure the distance between the repairs. 1 The minimum distance between the repairs is 150 mm (5.9055
_ in.). R (c) Measure the distance between the Zone B damage and Zone A. 1 The distance between the damage and Zone A, C, must be more
_ than C min = 0 mm (0.0000 in.).
2 If C is more than or equal to C min, repair is permitted.
_ Refer to the subsequent paragraph for permitted damages.
3 If C is less than C min:
_
-Immediately remove (Ref. TASK 53-15-11-000-001) and send the radome to a repair station.
-Install a new radome (Ref. TASK 53-15-11-400-001).
4. Procedure
_________
Subtask 53-15-11-220-050
A. Inspection of the Outer Face for all Types of Radome (KEVLAR radome: P/N
D5311047700001, P/N D5311047700002, P/N D5311047700003, P/N R D5311047700004, P/N D5311047700005; QUARTZ radome: P/N D5311047700006, R P/N D5311047700007, P/N D53132010000)
(Ref. Fig. 603/TASK 53-15-11-991-021)
EFF : ALL
53-15-11Page 605
Distance between the Damage Areas and the Repair Areas Figure 602/TASK 53-15-11-991-020
R EFF : CES ALL 53-15-11 Page 606 May 01/05
Possible Types of Damage - Outer Face of the Radome Figure 603/TASK 53-15-11-991-021
R EFF : CES ALL 53-15-11 Page 607 Nov 01/04
(1) Do an inspection for scratches, gouges, nicks and peeling of the paint.
(a) If the diameter is less than or equal to 250 mm (9.8425 in.):
1 If the area has one ply that has scratches, no procedure is
_
necessary.
2 If the area has two plies that have scratches:
_ a Immediately do a temporary repair with adhesive tape
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