(5)
 Make sure that the WARNING NOTICE is in position to tell persons not to:

 -
do the servicing of the potable water system,

 -
do the servicing of the toilet system.

 (6)
 Make sure that the lateral avionics-compartment access-door 812 is
 open.

 (7)
 Make sure that the wall-mounted cabin-attendant seat is removed
 (Ref. TASK 25-22-41-000-001).

 (8)
 Make sure that the FAP is removed (Ref. TASK 23-73-12-000-007).

 (9)
 Make sure that the floor covering is removed (Ref. TASK 25-28-42-000-001).

 (10)
 Make sure that the FWD passenger/crew door-frame linings are removed (Ref. TASK 25-23-45-000-005).

 (11)
 Make sure that the cockpit door is removed (Ref. TASK 52-51-11-000-001).

 (12)
 Make sure that the lavatory door is removed (Ref. TASK 25-45-19-000-001).

 (13)
 Make sure that the forward utility-area ceiling-panels are removed (Ref. TASK 25-23-42-000-001).

 (14)
 Make sure that the emergency oxygen container 29WR is removed (Ref. TASK 35-21-41-000-001).

 (15)
 Make sure that the lavatory smoke detector is removed (Ref. TASK 26-17-15-000-001).

 (16)
 Make sure that the toilet assembly is removed (Ref. TASK 38-31-41-000-001).

 (17)
 Make sure that the toilet drain-line behind the lavatory is removed (Ref. TASK 38-30-00-010-002).

 **ON A/C ALL
 Subtask 25-41-41-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
**ON A/C 001-049, 051-099, 101-105, 201-299,
 121VU COM NAV/CIDS/DEU A NORM/L FWD 163RH M08
R **ON A/C 106-149, 151-199, 401-499,
 121VU COM NAV/CIDS/DEU A NORM/L FWD 163RH M09
 **ON A/C 301-399,
 121VU COM NAV/CIDS/DEU A NORM/L FWD 163RH M10
 **ON A/C 001-049, 051-099, 101-105, 151-152, 201-206,
 Subtask 25-41-41-865-085
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------
PANEL SERVICE IDENT. LOCATION
 -------------------------------------------------------------------------------
2000VU LAV LIGHT 1LQ C01
 2000VU LAVATORY FORWARD-HOT WATER 1MB C03
 2000VU LAVATORY FORWARD-OCCUPIED 1WJ C06
 2000VU WATER SYSTEM ICE PROT CTL 2DW D08
 2000VU CABIN COM SYSTEM-PRAM 2RX F07
 2001VU WATER SYS 1MA D02
 2001VU LAV SHAVER SOCKET 1MT E01
 EFF : ALL
25-41-41Page 434

R **ON A/C 106-149, 153-199, 207-299, 301-399, 401-499,
 Subtask 25-41-41-865-085-A
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV LIGHT 1LQ C01 2000VU LAVATORY FORWARD-HOT WATER 1MB C03 2000VU LAVATORY FORWARD-OCCUPIED 1WJ C06 2000VU WATER SYSTEM ICE PROT CTL 2DW D08 2000VU CABIN COM SYSTEM-PRAM 2RX F07 2001VU WATER SYS 1MA D02
 **ON A/C ALL
 4. Procedure
_________
 Subtask 25-41-41-210-051
 A. Preparation for Installation
 (1) Remove the sealant.
 WARNING : MAKE SURE THAT THERE IS A GOOD FLOW OF AIR THROUGH THE WORK
_______ AREA WHEN YOU USE SPECIAL MATERIALS. IF YOU GET ONE OF THESE MATERIALS ON YOUR SKIN, IN YOUR MOUTH OR IN YOUR EYES : -FLUSH IT AWAY WITH A FLOW OF CLEAN WATER FOR BETWEEN 10 AND 15 MINUTES. -GET IMMEDIATE MEDICAL AID IF IRRITATION OCCURS. DO NOT BREATHE THE FUMES FROM THE MATERIAL. DO NOT SMOKE WHEN YOU USE THE MATERIAL. DO NOT USE THE MATERIAL NEAR A FLAME, SPARKS OR SOURCES OF HEAT. THESE MATERIALS ARE DANGEROUS : THEY ARE POISONOUS, FLAMMABLE AND SKIN IRRITANTS.
 WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE
_______ THIS/THESE MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.
 EFF : ALL
25-41-41Page 435

 (a) Remove the unwanted sealant from the floor panel and floor attach components with a SCRAPER - NON METALLIC and CLEANING AGENTS (Material No. 11-003) if necessary.
 (2)
 Make an inspection of the component and the adjacent area.

 (3)
 Make sure that the parts retained from the removed component are clean and in the correct condition.
　
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