Installation of the Magnetic Level-Indicator Upper-Housing 98QM.
 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
 No specific access platform 2.5 m (8 ft. 2 in.)
 460005835 1 GROUND LOCK SLEEVE

 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. 09-007 USA MIL-S-4383 BRUSHABLE FUEL RESISTANT COATING (Ref. 20-31-00) Material No. 11-026 GB DEF-STAN 68-148/1 R 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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 C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION  |IPC-CSN
 -------------------------------------------------------------------------------
6 O-ring  28-43-05 01A-110
R  6 O-ring 28-43-05 01B-110 20 O-ring 28-43-05 01A-110
R  20 O-ring 28-43-05 01B-110
 D. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control
 20-28-00-912-002 Electrical Bonding of Components With Conductive
 Bolts and Screws in the Tanks 21-52-22-000-001 Removal of the Fan Plenum Chamber 10HM5 (11HM5). 21-52-22-400-001 Installation of the Fan Plenum Chamber 10HM5 (11HM5) 28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank 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 28-43-23-000-001 Removal of the Magnetic Level-Indicator Rod 92QM. 28-43-23-000-002 Removal of the Magnetic Level-Indicator Lower-Housing
 91QM. 28-43-23-400-001 Installation of the Magnetic Level-Indicator Rod 92QM. 28-43-23-400-002 Installation of the Magnetic Level-Indicator
 Lower-Housing 91QM.
 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)
 28-43-23-991-003 Fig. 403

 3. Job Set-up
__________
 Subtask 28-43-23-941-062
 A. Safety Precautions
 WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
 (1) Make sure that the safety barriers are in position.
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 (2)
 You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001) when you do work in a fuel tank.

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

 Subtask 28-43-23-860-051
 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the applicable fuel tank is defueled (Ref. TASK 28-25-00-650-001).

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

 (3)
 Make sure that the MLG doors are open (Ref. TASK 32-12-00-010-001).

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

 (5)
 Make sure that the access platform is below the access panels 147AZ and 148AZ.

 (6)
 Make sure that the access panels 191JB, 195BB, 196BB, 147AZ and 148AZ are removed, (Ref. TASK 57-17-11-000-001).

 (7)
 Make sure that the left-hand fan plenum chamber, 10HM5 is removed (Ref. TASK 21-52-22-000-001).
　
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