28-42-48-991-001 Fig. 401
3. Job Set-up
__________ Subtask 28-42-48-941-051
A. Safety Precautions WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
(1) You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001) when you do work in a fuel tank.
(2) Put the safety barriers in position. Subtask 28-42-48-650-050
B. Fuel Configuration
(1)
Defuel the applicable fuel tank (Ref. TASK 28-25-00-650-001).
(2)
Drain the remaining fuel from the applicable fuel tank (Ref. TASK 28-25-00-650-003).
Subtask 28-42-48-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/FQI/CHAN/1 1QT A13 121VU FUEL/FQI/CHANNEL/1 AND 2 8QT L26 121VU FUEL/FQI/CHAN/2 2QT M27
Subtask 28-42-48-010-050
D. Get Access
(1)
Put the access platform in position below the access panel 640AB.
(2)
Remove the access panel 640AB, (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-001).
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4. Procedure
_________
(Ref. Fig. 401/TASK 28-42-48-991-001) Subtask 28-42-48-020-050
A. Removal of the Ultracomp (52QT)
(1)
Remove the nuts (6), (7), (8), (10) and (11) and the washers (4), (5), (9), (12) and (13).
(2)
Remove the connectors of the electrical cables (1), (2), (3), (14) and (15) from the ultracomp (19).
(3)
Put blanking caps on the disconnected electrical connectors.
(4)
Remove the bolts (18) and the washers (17).
(5)
Remove the dualcomp (19).
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Ultracomp - Location and Detail
Figure 401/TASK 28-42-48-991-001
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1 1 May 01/04
1 1
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TASK 28-42-48-400-001
Installation of the Ultracomp (52QT)
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 R No specific Torque Wrench : range 5.00 to 35.00 lbf.in R (0.05 to 0.40 m.daN) R
No specific Torque Wrench : range 28 to 48 lbf.in
(0.31 to 0.54 m.daN)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 09-001 USA MIL-S-8802 TYPE I CLASS A
FUEL TANK SEALANTPOLYSULFIDE (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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-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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