EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-71-00
 ALL  ú ú 05 Page 1 ú May 28/01

A
757
MAINTENANCE MANUAL

Water and Drain Line Heaters - Component Location
Figure 1 (Sheet 1)

H11816
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-71-00
 ALL  ú ú 04 Page 2 ú Jan 20/98

A

757
MAINTENANCE MANUAL

RIBBON 
HEATER TAPE  WATER 
LINE 
TERMINATION  LEAD WIRES 
BUTTON 
JUMPER 
ASSEMBLY  HEATER 
BLANKET 
HEATER 
ADHESIVE  BLANKET 
TAPE 
LEAD WIRES 
WATER LINE HEATER TAPE 
(EXAMPLE)  HEATER BLANKET INSTALLATION 
(EXAMPLE)

LEAD WIRES
CONTROL
THERMOSTAT WATER OR DRAIN LINE MOUNTING CLAMP
THERMOSTAT LOCKING NUT
THERMOSTAT INSTALLATION
(EXAMPLE)

HEATER TAPE CONTROL THERMOSTAT (EXAMPLE)
Water and Drain Line Heaters - Component Location Figure 1 (Sheet 2)
H11751
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-71-00
 ALL  ú ú 01 Page 3 ú Jan 20/98

A
757
MAINTENANCE MANUAL

Water and Waste System Heaters Schematic
Figure 2

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-71-00
 ALL  ú ú 12 Page 4 ú Jan 20/98

A

757
MAINTENANCE MANUAL

 B. Control
 (1)  To place the system in operation, perform the following:
 (a)  
Supply electrical power to the ground service bus (Ref 24-22-00).

 (b)  
Make sure the following circuit breaker for the drain mast, on the APU/External power panel P34(B) is closed. 1) 34B3, DRAIN MAST HEATER-GND

 (c)  
Make sure the following right misc. electrical equipment panel P37 circuit breakers are closed: 1) 37F7, DRAIN MAST HEATER-AIR 2) 37F5, WATER LINE HEATERS FWD 3) 37F6, WATER LINE HEATERS MID 4) 37E1, WATER LINE HEATER AFT
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(175)