(c)
 Remove the chain (9) from the attachment tag (10). NOTE : The chain (9) is spring-loaded into a protection sleeve on

____
 the coupling cap (8).

 (d)
 Hold the element assembly (4) and remove the bolts (7), the washers (6) and the attachment tag (10).

 (e)
 Remove the shroud-ring (5), the element assembly (4) and the laminated shim(s) (3).

 (f)
 Remove and discard the O-ring (2).

 (g)
 Adjust the thickness of the shim (3) until dimension 'x', 'y' and/or dimension 'z' is/are correct.

 NOTE : The maximum permitted thickness is 4.4 mm (0.1732 in.).
____
 (h)
 Lubricate the new O-ring (2) with FUELS (Material No. 01-001) or COMMON GREASE (Material No. 04-012).

 (i)
 Install the O-ring (2) and the laminated shim(s) (3).

 (j)
 Install the element assembly (4) and the shroud-ring (5) in their correct positions.

 (k)
 Install the washers (6), the attachment tag (10) and the bolts (7). TORQUE the bolts (7) to between 0.3 and 0.34 m.daN (26.54 and 30.08 lbf.in).

 (l)
 Install the chain (9) on the attachment tag (10). NOTE : The chain (9) is spring-loaded into a protection sleeve on

____
 the coupling cap (8).

 (m)
 Install the coupling cap (8) on the coupling (1). CAUTION : MAKE SURE THAT THE HANDLE OF THE REFUEL COUPLING CAP

_______
 POINTS AFT WHEN THE CAP IS CLOSED AND LOCKED.

R 1EFF : 001-049, 052-099, 101-149, 151-199, 1 28-25-41Page 438 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1 1EFF : ALL 1 28-25-41Page 439 1 1 May 01/05 1 1 1CES 1 1EFF : 051-051, 1 28-25-41Page 440 1 1 May 01/05 1 1 1CES 1 Subtask 28-25-41-860-055-A

 Subtask 28-25-41-860-055
 E. Preparation for Test
 (1) Install the access panel 622HB.
 (2) Measure the dimensions 'x', 'y' and 'z' again to make sure that they
 are correct.
 (3) Refuel the aircraft through the coupling (1) (Ref. TASK 12-11-28-650-
003).
 (4) Remove the access panel 622HB. 
R  **ON A/C 051-051, 
R  Subtask 28-25-41-410-062-A 
R  C. Close Access 
R  (1) Install the applicable access panels 522HB(622HB). 
R  Subtask 28-25-41-820-054-A 
R  D. Adjustment of the Coupling 
R  WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL_______ 
R  MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. 
R  OBEY THE MANUFACTURERS INSTRUCTIONS. 
R  PUT ON PROTECTIVE CLOTHING. 
R  DO NOT GET THEM IN YOUR MOUTH. 
R  DO NOT SMOKE. 
R  DO NOT BREATHE THE GAS. 
R  THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. 
R  GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED. 
R  (1) Make sure that these dimensions are correct: 
R 
R  (Ref. Fig. 402/TASK 28-25-41-991-003, 403/TASK 28-25-41-991-004) 
R 
R  - dimension 'a' must be equal at all positions around the coupling 
R  cap (8), +/- 0.5 mm (0.0196 in.) 
R  - dimension 'x' must not be more than 1.0 mm (0.0393 in.) 
R  - dimension 'y' must not be more than 1.0 mm (0.0393 in.) 
R  - dimension 'z' must not be more than 0.13 mm (0.0051 in.).

R  (2) If dimension 'a' is incorrect: 
R  (a) Temporarily remove the applicable access panel 522HB(622HB). 
R  (Ref. Fig. 404/TASK 28-25-41-991-006) 
R  (b) Remove the coupling cap (8) from the coupling (1). 
R  (c) Remove the chain (9) from the attachment tag (10). 
R  NOTE : The chain (9) is spring-loaded into a protection sleeve on____ 
R  the coupling cap (8). 
R  (d) Hold the element assembly (4) and remove the bolts (7), the 
R  washers (6) and the attachment tag (10). 
R  (e) Remove the shroud-ring (5), the element assembly (4) and the 
R  laminated shim(s) (3). 
R  (f) Remove and discard the O-ring (2). 
R  (g) Adjust the thickness of the shim (3) until dimension 'x', 'y' 
R  and/or dimension 'z' is/are correct. 
R  NOTE : The maximum permitted thickness is 4.4 mm (0.1732 in.).____ 
R  (h) Lubricate the new O-ring (2) with FUELS (Material No. 01-001) or 
R  COMMON GREASE (Material No. 04-012). 
R  (i) Install the O-ring (2) and the laminated shim(s) (3). 
R  (j) Install the element assembly (4) and the shroud-ring (5) in their 
　
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