DRAINS - FORWARD FUSELAGE - REMOVAL/INSTALLATION
________________________________________________
 TASK 53-29-41-000-001
 Removal of the Drain Valves
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific acces platform 2 m (6 ft. 7 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 53-22-14-000-001 Removal of the FWD Cargo-Compartment Floor-Panels
 **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
 53-29-41-991-001 Fig. 401 R **ON A/C 151-199, 401-499,
 53-29-41-991-001-A Fig. 401A
 EFF : ALL
53-29-41Page 401

 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 53-29-41-861-050

 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 Subtask 53-29-41-010-050
 B. Get Access
 (1)
 Put an acces platform in position at the FWD cargo-compartment door

 825.

 (2)
 Open the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-001).

 (3)
 Set the CARGO COMPT LIGHT switch 6LU to ON.

 (4)
 In the FWD cargo compartment, remove the applicable floor panel (Ref. TASK 53-22-14-000-001)

 4. Procedure
_________
 Subtask 53-29-41-020-050

 A. Removal of the Drain Valve
 **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,

 (Ref. Fig. 401/TASK 53-29-41-991-001) R **ON A/C 151-199, 401-499,
 (Ref. Fig. 401A/TASK 53-29-41-991-001-A)
 **ON A/C ALL

 (1) Remove the drain valve (4).
 EFF : ALL
53-29-41Page 402

 Drain Valve Figure 401/TASK 53-29-41-991-001 
R  EFF : 001-049, 051-099, 101-149, 201-299, 301-399,  53-29-41 Page 403 May 01/05
 CES 

 Drain Valve Figure 401A/TASK 53-29-41-991-001-A 
R  EFF :  151-199, 401-499,  53-29-41 Page 404 Aug 01/05
 CES 

R (2) Remove the nut (1), the screws (3) and the retainers (4).

 TASK 53-29-41-400-001

 Installation of the Drain Valves
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE  QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific  access platform 2 m (6 ft. 7 in.)
 No specific  1 SCRAPER - NON METALLIC
 B. Consumable Materials
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
Material No. 09-013  USA MIL-PRF-81733 TYPE I CLASS A
 CORROSION INHIBITING BRUSH CONSISTENCY
 (Ref. 20-31-00)

 Material No. 09-016  USA MIL-PRF-81733D TYPE II CLASS B
 CORROSION INHIBITING FILLET CONSISTENCY
 (Ref. 20-31-00)

 Material No. 09-019  USA AMS 3267/3
 LOW ADHESION CORROSION INHIBITING SEALANT
 (Ref. 20-31-00)

R Material No. 11-003 USA ASTM D 740 METHYL-ETHYL-KETONE (Ref. 20-31-00) Material No. 16-021A FLEXIBLE POLYURETHANE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
 EFF : ALL
53-29-41Page 406

 C. Referenced Information

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
　
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