3. Job Set-up
__________
 Subtask 53-15-11-869-050
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that an access platform is in position at zone 110.

 (2)
 Make sure that the warning notice is in position.

 EFF : ALL
53-15-11Page 408

 Subtask 53-15-11-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------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 53-15-11-420-056
 C. Installation of the Radome Sling
 (1) Install the SLING-RADOME (98D53103500000) on the radome.
 (2) Remove the radome from the TROLLEY - RADOME (98D53103013000).
 Subtask 53-15-11-820-051

 D. Adjustment of the Rods
 (Ref. Fig. 402/TASK 53-15-11-991-002)

 (1)
 Adjust the rods (13).

 (2)
 Extend the rods and lock them with the bushes (22).

 (3)
 Loosen the nut (21) and turn the eye end (20) to set the rod (13) to a nominal center-to-center distance of L=544 +1 -1 mm (21.4173 +0.0393 -0.0393 in.).

 (4)
 Tighten the nut (21).

 (5)
 Lubricate the bolts and the eye ends of the rods (13) with COMMON GREASE (Material No. 04-004)

 EFF : ALL
53-15-11Page 409

 4. Procedure
_________ Subtask 53-15-11-420-050
 A. Installation of the Radome
 (Ref. Fig. 402/TASK 53-15-11-991-002)

 CAUTION : DO NOT USE THE LOCALIZER ANTENNA AT THE BOTTOM OF THE RADOME AS
_______
 A SUPPORT.

 (1)
 Carefully put the radome in position with the lifting equipment.

 (2)
 Install the radome (19).

 (a)
 Put the hinge fittings (7) of the radome in position opposite the support fittings of the radome.

 (b)
 Install the bolts (5).

 (c)
 Install the washers (4) and the nuts (3).

 (d)
 Tighten the nuts (3).

 (e) Install the cotter pins (2). Subtask 53-15-11-420-055
 B. Installation of the Component
 (1)
 Install the rods (13) on the hinge fittings of the radome.

 (a)
 Install the bolts (11). If necessary, pull the heads of the rods to install the bolts

 (11) easily.

 (b)
 Install the nuts (17).

 (c)
 Tighten the nuts (17).

 (d)
 Install the cotter pins (18).

 (2)
 Connect the bonding leads (8).

 (a)
 Install the bolts (10), the washers (9) and the nuts (6).

 (b)
 Do an electrical bonding of the bolts (10) (Ref. TASK 20-28-00-912-004).

 EFF : ALL
53-15-11Page 410
May 01/05
R
 CES

 (c)
 Tighten the nuts (6).
 Subtask 53-15-11-020-055

 C. Removal of the Radome Sling

 (1)
 Remove the SLING-RADOME (98D53103500000) from the radome.
 Subtask 53-15-11-820-050

 D. Adjustment of the Locking Handle
 (Ref. Fig. 403/TASK 53-15-11-991-003)

 (1)
 Put a spring scale with a capacity of 20 daN (44.9617 lbf) at 10 mm (0.3937 in.) from the end of the locking handle (30).

 (2)
 Make sure that the tension of the lock is between 8 daN (17.9847 lbf) and 12 daN (26.9770 lbf).

 (3)
 If necessary, adjust the tension of the lock as follows:

 (a)
 Open the radome (Ref. TASK 53-15-11-010-001).

 (b)
 Adjust the tension of the lock to between 8 daN (17.9847 lbf) and 12 daN (26.9770 lbf) with the nut (31) of the spring rod (32).

 **ON A/C 001-049, 051-061, 101-105, 201-203,
 Subtask 53-15-11-820-056
 E. Check of the Hook Out-of-flush Dimension
 (Ref. Fig. 404/TASK 53-15-11-991-012)

 (1) Check that the out-of-flush dimension between the hinge arm (92) and the radome (91) is J1= 0.5 -1.5 +1.5 mm (0.0196 -0.0590 +0.0590 in.).
R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
 Subtask 53-15-11-820-056-A
 E. Check of the Hook Out-of-flush Dimension and Adjustment
 (Ref. Fig. 404A/TASK 53-15-11-991-012-A)

 (1) Check that the out-of-flush dimension between the hinge arm (93) and the radome (92) is J1= 0.5 -1.5 +1.5 mm (0.0196 -0.0590 +0.0590 in.).
　
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