B.
 Close the related circuit breaker at the related galley. Subtask 25-35-25-861-054

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

 Subtask 25-35-25-710-051
 D. Do the operational Test of the Hot-Jug (Ref. TASK 25-35-00-710-021).
 5. Close-up
________ Subtask 25-35-25-862-051
 A. Close-up
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 De-energize the aircraft electrical circuits

 WATER BOILER - REMOVAL/INSTALLATION___________________________________
 TASK 25-35-27-000-001
 Removal of the Water Boiler/Heater
 1. Reason for the Job__________________
 Self Explanatory
 2. Job Set-up Information______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific No specific  1 CAP - BLANKING1 PLUG - BLANKING
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 38-10-00-614-002  Energize the Ground Service Network from the External PowerDepressurization of the Potable Water System 
R  **ON A/C 001-049, 101-105,
 25-35-27-991-001-B  Fig. 401 
R  **ON A/C 051-099, 
R  25-35-27-991-001-D  Fig. 401A 
R  **ON A/C 106-149, 151-199, 201-299, 
R  25-35-27-991-001-C  Fig. 401B 

 CES

R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299,
 3. Job Set-up
__________
 Subtask 25-35-27-861-050

 A. Energize the ground service network (Ref. TASK 24-42-00-861-001).
 Subtask 25-35-27-865-050

 B. Preparations for the Removal of the Water Heater
 (1)
 On the circuit breaker panel at the related galley:

 (a) Open, safty and tag the related circuit breaker(s).

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

 4. Procedure
_________ R **ON A/C 001-049, 101-105,
 Subtask 25-35-27-020-050-B
 A. Removal of the Water-Heater WARNING : SUPPORT THE UNIT/ASSEMBLY OR IT WILL FALL AND BECOME DAMAGED OR
_______ INJURE PERSONNEL. THE UNIT/ASSEMBLY IS HEAVY.
 (Ref. Fig. 401/TASK 25-35-27-991-001-B)
 (1)
 Prevent damage to the component interface and the adjacent area.

 (2)
 Remove the screws (1).

 (3)
 Carefully pull the water-heater (4) out of the galley and hold it in position.

 (4)
 Disconnect the electrical connector (3).

R  EFF : 001-049, 051-099, 101-149, 151-199, 25-35-27Page 402 201-299, May 01/05
 CES

 Water Boiler/Heater Figure 401/TASK 25-35-27-991-001-B 
R  EFF :  001-049, 101-105,  25-35-27 Page 403 May 01/05
 CES 

 (5) Disconnect the water supply line: WARNING : MAKE SURE THAT THE POTABLE WATER SYSTEM IS DEPRESSURIZED. A_______ PRESSURIZED SYSTEM CAN CAUSE INJURY TO PERSONS WHEN THEY DO WORK ON IT.
R  (a) Disconnect the water supply line (2). (6) Remove the water-heater (4) from the galley. (7) Put PLUG - BLANKING on the disconnected line ends. (8) Put CAP - BLANKING on the disconnected electrical connectors. **ON A/C 051-099, 106-149, 151-199, 201-299,
 Subtask 25-35-27-020-050-C
 A. Removal of the Water-Heater 
R  **ON A/C 051-099, 
R R  (Ref. Fig. 401A/TASK 25-35-27-991-001-D) **ON A/C 106-149, 151-199, 201-299, 
R R  (Ref. Fig. 401B/TASK 25-35-27-991-001-C) **ON A/C 051-099, 106-149, 151-199, 201-299,
 (1) Prevent damage to the component interface and the adjacent area. (2) Remove the screws (1). (3) Carefully pull the water-heater (4) out of the galley and hold it in position. (4) Disconnect the electrical connector (3). 

 CES

R R  Water Boiler/Heater Figure 401A/TASK 25-35-27-991-001-D 
R  EFF :  051-099,  25-35-27 Page 405 May 01/05
 CES 

R  Water Boiler/Heater Figure 401B/TASK 25-35-27-991-001-C 
R  EFF :  106-149, 151-199, 201-299,  25-35-27 Page 406 May 01/05
　
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