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(3) Remove the backshell and the strain relief clamp from each connector (Fig. 808 or 809).
(a)
If necessary, remove the lockwire on the backshell.
(b)
For stainless steel backshells, do as follows: 1) Loosen the hose clamp on the backshell that attaches the shielded cable to the backshell. 2) Move the hose clamp to the rear of the harness and away from the repair area.
3) Fold the braided shields over the strain relief clamp to make the shields straight.
(c)
Loosen the screws that attach the backshell strain relief clamps to permit the clamp halves to move over the harness.
(d)
For aluminum backshells, do as follows:
1) Disconnect the strain-relief clamp assembly from the backshell.
NOTE: Use a TG-70 or BT-BS-611 strap wrench or TG-69
____
pliers, or equivalent.
2) Move the strain-relief clamp assembly to the rear of the harness and away from the repair area. 3) Remove the conical ring from the rear side of the backshell and move the ring to the rear of the harness.
(e) Install the correct size connector adapter on the connector assembly (Fig. 807).
NOTE: The connector adapter kit holds the connector
____ assembly and prevents movement of the connector when you remove the backshell. Use the CM-S-837 or CM-S-839T connector adapter kit, or equivalent.
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ADAPTER
BACKSHELL MASTER KEY
CONNECTOR
BT-BS-611
STRAP WRENCH
BACKSHELL CONNECTOR
TG-70 TG-69 SOFT
STRAP WRENCH NOSE PLIERS
Backshell and Connector Tools for Removal/Installation
Figure 807
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C20082
BACKSHELL COUPLING NUT
HOSE
CLAMP
Stainless Steel Backshell Assembly
Figure 808
STRAIN RELIEF CLAMP (2 LOCATIONS)
RED RUBBER
TAPE
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C20083
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
BRAIDED SHIELD
(4 LOCATIONS)
LOCKWIRE INSTALLATION
Aluminum Backshell Assembly and Lockwire Figure 809
C20087
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(f) Hold the connector and adapter in your hand and disconnect the backshell.
NOTE: Use a TG-70 or BT-BS-611 strap wrench or TG-69
____ pliers, or equivalent. You can also use a standard crowfoot wrench for the stainless steel backshells.
(g) Move the backshell to the rear of the harness and away from the repair area.
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(4)
Remove the red rubber tape found below the strain relief clamps.
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(5) 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(112)
