Subtask 28-25-41-941-059
A. Safety Precautions
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
(1) You must obey the fuel safety procedures (Ref. TASK 28-00-00-910-001) when you do work on the fuel system.
(2) Put the safety barriers in position. R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 301-399, 401-499,
Subtask 28-25-41-010-050-A
B. Get Access
(1)
Put the access platform in position below the applicable access panel.
(2)
For 40QM and 41QM, remove the access panels 622FB, 622HB, 622JB.
(3)
For 40QM, also remove the access panel 640JB, (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-002).
1EFF : ALL 1 28-25-41Page 404 1 1 Aug 01/05 1 1 1CES 1R Refuel Coupling/Cap - Left Wing (Right Wing) R Figure 401A/TASK 28-25-41-991-002-A
R 1EFF : 051-051, 1 28-25-41Page 405 1 1 May 01/05 1 1 1CES 1 **ON A/C 051-051,
Subtask 28-25-41-010-050-B
B. Get Access
(1)
Put the access platform in position below the applicable access panel.
(2)
Remove the applicable access panels:
-
FOR 40QM, 41QM
remove 622FB, 622HB, 622JB
-
FOR 100QM, 101QM
remove 522FB, 522HB, 522JB.
(3)
Remove the applicable access panel (Ref. TASK 28-10-00-910-002):
-
FOR 40QM also remove 640JB (Ref. TASK 57-27-11-000-002)
-
FOR 100QM also remove 540JB (Ref. TASK 57-27-11-000-002).
**ON A/C ALL
4. Procedure
_________ R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401/TASK 28-25-41-991-002)
**ON A/C 051-051,
(Ref. Fig. 401A/TASK 28-25-41-991-002-A)
1EFF : ALL 1 28-25-41Page 406 1 1 Aug 01/05 1 1 1CES 1R **ON A/C ALL
Subtask 28-25-41-020-054
A. Removal of the Refuel/Defuel Coupling/Cap
(1) Disconnect the chain (5) from the lug (4) and remove the coupling cap
(6) from the coupling (7).
NOTE : The chain (5) is spring-loaded into a protection sleeve on the
____
cap (6).
(2) Put a container below the coupling (7). Operate the coupling check-valve by hand to drain all remaining fuel. Remove the container.
NOTE : It is possible that there is a washer behind the nuts (3) and
____ (8). You will subsequently remove and retain the washer(s).
(3) For the bolts (1) and (10) where there is a washer behind the nuts
(3) and (8):
-make a temporary mark on the coupling (7), so that you can install the same washer in the same position.
NOTE : Sealing of the bolt will be retained if you prevent movement
____
of the bolt.
(4)
Engage a hexagon key in the end of each of the bolts (1) and (10) to prevent movement of the bolts. Remove the nuts (3) and (8). Leave the bolts (1) and (10) in position.
(5)
Remove the coupling (7).
(6)
Discard the coupling (7) if it is to be replaced.
(7)
Put blanking plugs on the disconnected line ends.
(8)
Remove and discard the O-rings (2) and (9).
1EFF : ALL 1 28-25-41Page 407 1 1 May 01/05 1 1 1CES 1 TASK 28-25-41-400-005
Installation of the Refuel/Defuel Coupling/Cap
WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______
NOTICES ARE IN POSITION.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers
No specific access platform 4 m (13 ft. 1 in.)
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN) R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 01-001 USA ASTM-D-1655-93 (JET A-1) FUEL, TURBO (Ref. 20-31-00) Material No. 04-012 USA VV-P-236 PURE MINERALVASELINE OR PETRO- LATUM (Ref. 20-31-00) Material No. 11-026 GB DEF-STAN 68-148/1 SOLVENT GENERAL PURPOSE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
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