S 034-008

 (3)  
Cut the electrical leads near the thermostat.

 NOTE: Keep the cut leads in position to help you find the location
____
 for the splice.

 S 034-009
 (4)  
Remove the locking nut.

 S 024-010

 (5)  
Remove the thermostat.

 TASK 30-71-02-404-011
 3.  Install Thermostat (Fig. 401)__________________
 A. Consumable Materials
 (1)  Dry Ice (Commercial Source)
 B. References
 (1)  AMM 24-22-00/201, Electrical Power - Control
 C. Procedure
 S 424-012
 (1) Install the thermostat and attach it with the locking nut.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-71-02
 ALL  ú ú 12 Page 402 ú May 28/99

A

757 MAINTENANCE MANUAL
 (2)  S 964-013Remove the old electrical leads and install new leads with a splice.
 (3)  S 864-017Remove the DO-NOT-CLOSE tags and close the applicable circuit breakers on the P34(B) or P37 panel (see table).
 (4)  S 704-018Do a test of the thermostat installation. (a) Supply electrical power (AMM 24-22-00/201). (b) Use dry ice to cool the thermostat to less than 30°F (-1°C). (c) Make sure the applicable heater tape becomes warm. (d) Remove electrical power, if it is not necessary (AMM 24-22-00/201).
 (5)  S 414-019Install the floor and wall panels, if necessary.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-71-02
 ALL  ú ú 07 Page 403 ú May 28/99

A

757 MAINTENANCE MANUAL
 DRAIN MAST HEATERS - REMOVAL/INSTALLATION
_________________________________________
 1.  General_______
 A. The drain mast heater is a part of the drain mast.
 TASK 30-71-03-004-001
 2.  Remove/Install the Drain Mast Heater____________________________________
 A. General
 (1) Refer to 38-31-01/401 for the removal/installation procedure.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-71-03
 ALL  ú ú 01 Page 401 ú Sep 20/93
　
中國航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護(hù)手冊 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(182)