(3)
 Put blanking caps on the disconnected electrical connectors.

 (4)
 Remove the bolts (18) and the washers (17).

 (5)
 Remove the ultracomp (19).

 1EFF : 301-399, 1 28-42-47Page 403 1 1 May 01/04 1 1 1CES 1

 Ultracomp - Location and Detail
 Figure 401/TASK 28-42-47-991-001
 1EFF :  301-399,  1  28-42-47 Page 404 
1  1  May 01/04
 1  1
 1CES  1

 TASK 28-42-47-400-001
 Installation of the Ultracomp (50QT)
 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 warning notice 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)

 1EFF : 301-399, 1 28-42-47Page 405 1 1 May 01/05 1 1 1CES 1 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control 28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank 28-10-00-910-002 Access to the Fuel Tanks and the Work Areas 28-25-00-650-001 Pressure Defuel 28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
 Center Tank 28-25-00-869-001 Fuel Transfer 28-42-00-740-001 Status Report (BITE) 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 57-17-11-000-001 Removal of the Covers 147AZ (148AZ) 57-17-11-400-001 Installation of the Covers 147AZ (148AZ) 28-42-47-991-001 Fig. 401
 3. Job Set-up
__________
 Subtask 28-42-47-941-052
 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)
 Make sure that the safety barriers are in position.

 (3)
 Make sure that the warning notice is in position to tell persons not to operate the MLG doors.

 Subtask 28-42-47-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------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
 1EFF : 301-399, 1 28-42-47Page 406 1 1 May 01/04 1 1 1CES 1 Subtask 28-42-47-860-050

 C. Aircraft Maintenance Configuration
 (1)
 Make sure that the center tank is defueled (Ref. TASK 28-25-00-650-001).

 (2)
 Make sure that the remaining fuel has been drained from the center tank (Ref. TASK 28-25-00-650-003).

 (3)
 Make sure that the LH MLG door is open (Ref. TASK 32-12-00-010-001).

 (4)
 Make sure that the GROUND LOCK SLEEVE is installed on the LH MLG door actuating cylinder.

 (5)
 Make sure that the access platform is below the access panel 147AZ.

 (6)
 Make sure that the access panel 147AZ is removed (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-17-11-000-001).

 4. Procedure
_________
 (Ref. Fig. 401/TASK 28-42-47-991-001) Subtask 28-42-47-420-051
 A. Preparation for Installation
　
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