(b)
 Set the CARGO COMPT light switch 8LU to ON.

 -Remove the sidewall panel 162CW.
 **ON A/C ALL

 4. Procedure
_________ R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 401-499,
 (Ref. Fig. 401/TASK 30-71-34-991-001)
 **ON A/C 051-051,

 (Ref. Fig. 401A/TASK 30-71-34-991-001-B)
 **ON A/C 301-399,

 (Ref. Fig. 401B/TASK 30-71-34-991-001-A)
 **ON A/C ALL

 Subtask 30-71-34-020-051
 A. Removal of a control unit (Typical)
 (1)
 Disconnect the electrical connector (6).

 (2)
 Put blanking caps on the disconnected electrical connectors.

 Control Unit 5DU/15DU
 Figure 401/TASK 30-71-34-991-001

R 1EFF : 001-049, 052-099, 101-149, 151-199, 1 30-71-34Page 408 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1

R  Control Unit 25DU 
R  Figure 401A/TASK 30-71-34-991-001-B 
R 1EFF :  051-051,  1  30-71-34 Page 409 
1  1  May 01/05
 1  1
 1CES  1

 Control Unit 5DU/15DU/140DU 
R  Figure 401B/TASK 30-71-34-991-001-A 
R 1EFF :  301-399,  1  30-71-34 Page 410 
1  1  May 01/05
 1  1
 1CES  1

 (3)
 Remove the screws (5), the washers (4) and the brackets (3) which hold the control unit (2) in position.

 (4)
 Remove the control unit (2) from its support (1).

R 1EFF : ALL 1 30-71-34Page 411 1 1 May 01/05 1 1 1CES 1 TASK 30-71-34-400-001

 Installation of the Waste-Water Ice-Protection Control-Unit
 NOTE : The procedure is the same for all the control units.
____
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 30-71-00-710-001 Operational Test of the Drainmast Ice Protection

R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 401-499,
 30-71-34-991-001 Fig. 401
 **ON A/C 051-051,
 30-71-34-991-001-B Fig. 401A
 **ON A/C 301-399,
 30-71-34-991-001-A Fig. 401B FOR FIN 5DU 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
 Yellow Electric Pump FOR FIN 15DU 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump
 FOR FIN 15DU, 25DU
 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
 Yellow Electric Pump
 FOR FIN 3DW, 5DU
 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump
 FOR FIN 3DW
 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump
 FOR FIN 140DU, 5DU
 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump
 FOR FIN 140DU
 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump
 **ON A/C ALL
 3. Job Set-up
__________

R **ON A/C 001-049, 052-099, 101-149, 211-299, 401-499,
 Subtask 30-71-34-860-050
 A. Aircraft Maintenance Configuration
 (1) Make sure that the ground service network is energized (Ref. TASK 24-42-00-861-001).

R (2) FOR 5DU
 (a)
 Make sure that the FWD cargo-compartment door is open (Ref. TASK 52-30-00-860-001).

 (b)
 Make sure that the CARGO COMPT light switch 6LU is set to ON.

 (c)
 Make sure that the sidewall panel 131MW is removed.

R (3) FOR 15DU
 (a)
　
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