Air Filter 4210MM Figure 401A/TASK 38-41-42-991-001-A
R 1EFF : 151-199, 301-399, 401-499, 1 38-41-42Page 405 1 1 Aug 01/05 1 1 1CES 1

 TASK 38-41-42-400-001

 Installation of the Air Filter 4210MM
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
 -------------------------------------------------------------------------------
5 O-ring 38-41-03 09 -130 R 5 0-ring 38-41-04 12 -080
 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
12-15-38-613-001 Fill the Potable Water Tank System (Aircraft Electrical Power Available) 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 38-10-00-614-002 Depressurization of the Potable Water System 38-41-00-790-001 Leak Check of the Components in the Air Supply System 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump
 3. Job Set-up
__________
 Subtask 38-41-42-860-050
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).

 (2)
 Make sure that the potable water system is depressurized (Ref. TASK 38-10-00-614-002).

 4. Procedure
_________

 **ON A/C 001-049, 051-099, 101-149, 201-299,
 Subtask 38-41-42-420-051
 A. Installation of the Air Filter 4210MM
 (1)
 Remove the blanking plugs.

 (2)
 Install a new O-ring (5) to the check valve 4205MM (2).

 (3)
 Install the check valve 4205MM (6) in the air filter 4210MM (4).

 (4)
 Put the air filter assembly 4210MM (4) in position.

 (5)
 Install the bolts (8), the washers (2) and the nuts (3).

 (6) Connect and tighten the connections (1) and (7). R **ON A/C 151-199, 301-399, 401-499,
 Subtask 38-41-42-420-051-A
 A. Installation of the Air Filter 4210MM
 (1)
 Remove the blanking plugs.

 (2)
 Install a new 0-ring (5) to the check valve 4205MM (2).

 (3)
 Install the check valve 4205MM (6) in the air filter 4210MM (4).

 (4)
 Put the air filter assembly 4210MM (4) in position.

 (5)
 Install the bolts (8), the washers (2) and the nuts (3).

 (6) Connect and tighten the connections (1) and (7).
 **ON A/C ALL

 Subtask 38-41-42-613-050
 B. Fill the potable water system (Ref. TASK 12-15-38-613-001).

 Subtask 38-41-42-710-050

 C. Test
 (1) Do the leak check of the component (Ref. TASK 38-41-00-790-001).
 5. Close-up
________
 **ON A/C 001-049, 051-099, 101-149, 201-299,

 Subtask 38-41-42-410-051
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the access panels 131NW, 131PW.

 (3)
 Close the FWD cargo-compartment door (Ref. TASK 52-30-00-860-002).

 (4) Remove the access platform(s). R **ON A/C 151-199, 301-399, 401-499,
 Subtask 38-41-42-410-051-A
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the access panels 161DW, 162DW.

 (3)
 Close the AFT cargo-compartment door (Ref. TASK 52-30-00-860-002).

 (4) Remove the access platform(s).
 **ON A/C ALL

 Subtask 38-41-42-862-050
 B. De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

 VALVE REDUCING PRESSURE (4200MM) - REMOVAL/INSTALLATION
_______________________________________________________
 TASK 38-41-43-000-001
 Removal of the Pressure Reducing Valve 4200MM
 WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______
 WORK ON THE PNEUMATIC SYSTEM.

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
　
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