曝光臺 注意防騙 網曝天貓店富美金盛家居專營店坑蒙拐騙欺詐消費者

 7)  Wind two layers of the electrical silicone tape (Scotch 92) for abrasion protection with a 50% overlap on each turn of the tape.
 NOTE: Wind the second layer in the opposite direction
____ to the first layer. The tape wrap must be sufficiently tight to give a moisture-resistant seal.
 a) Extend the tape a minimum of one-half inch more than each end of the inner tape. 8) For the repair of a 1-wire cable without a braided shield do these steps (Fig. 803):
 NOTE: Do not do these steps if the cable has a braided
____
 shield.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-50-00
 ALL  ú ú N01 Page 809 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////

TWO LAYERS OF MOISTURE RESISTANT TAPE

Moisture Resistant Tape Wrap
Figure 802

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-50-00
 ALL  ú ú N01 Page 810 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.

A

Abrasion Resistant Tape Wrap and Lacing Tape
Figure 803

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-50-00
 ALL  ú ú N01 Page 811 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C20077
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
a)  Wind two layers of the electrical silicone tape (Scotch 62) directly around the splice with a 50% overlap on each turn of the tape.
 NOTE:____ Wind the second layer in the opposite direction to the first layer.
 b) c)  Extend the tape one inch more than each end of the inner tape.With the lacing tape, make a clove hitch and a square knot on each end of the tape.
 NOTE:____ Tighten the clove hitch before you tighten the square knot.
 (g) (h) (i)  d) Cut the free ends to 0.25-0.50 inch (6-12 mm).Make sure the metal strands of the braided shield are straight.Put the inner ferrule near the end of the cable insulation and fold the braided shield back over the ferrule (Fig. 804). 1) Make sure the metal strands of the braided shield have an equal proportion around the ferrule.Put one end of the tubular braid on the metal strands of the shield.
 1)  Move the outer ferrule over the tubular braid and the inner ferrule.
 2)  Use the crimp tool to attach the outer ferrule on the inner ferrule and braided shield (Fig. 805).
 NOTE:____ Make sure the braided shield stays between the inner and the outer ferrules when you install the outer ferrule.
 (j) (k) (l)  Pull the tubular braid tight across the splice area.Install the inner and outer ferrules on the other end as shown in the steps above.Cut the unwanted braid near the outer end of the two outer ferrules.
 (m)  For abrasion protection, wind two layers of the electrical silicone tape (Scotch 62) directly around the splice (Fig. 806).
 NOTE:____ Wind the second layer in the opposite direction to the first layer with a 50% overlap on each turn of the tape.
 1)  Extend the tape a minimum of one-half inch (13 mm) more than each end of the inner tape.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-50-00
 ALL  ú ú N01 Page 812 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.

TUBULAR BRAID AND OUTER FERRULE INSTALLATION

B

BRAIDED SHIELD

INNER FERRULE INSTALLATION

C
Tubular Braid Installation
Figure 804

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 動力裝置 POWER PLANT 2(107)