S 434-013
(2)
Install only those fittings that will permit cable installation.
(a) You can use a portable swager to install the fittings.
S 834-014
(3) Apply proof load (Fig. 401) to the cable and installed fittings to do a check on the swaging and to make the cable longer initially.
NOTE: If you use prestretched cable, you do not have to put a load
____ on all of the cable. You do not have to us a proof load. You can use other applicable procedures to d a check on the swaging.
S 164-015
(4) Rub the full length of the cable with a dry, lint-free cloth.
NOTE: Do not use solvents to clean cable assemblies.
____
S 644-016
(5) Apply a light thin layer of BMS 3-24 grease to carbon steel cables, then wipe the cable with a clean rag to leave a thin film of grease between the wires on the cable. Do not grease cres cables. They may only be cleaned with a clean rag.
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747-400
MAINTENANCE MANUAL
PROOF LOADS FOR CABLE ASSEMBLIES
MATERIAL:
CABLE - CARBON STEEL PER BMS 7-265, TYPE I, COMPOSITION A (TZ) (PREFERRED)
-
CARBON STEEL PER BMS 7-265, TYPE I, COMPOSITION A (FIRST OPTION)
-
CARBON STEEL PER MIL-W-83420, TYPE I, COMPOSITION A (SECOND OPTION)
-
CARBON STEEL PER MIL-W-1511 (THIRD OPTION)
INTERCHANGABILITY INFORMATION:
YOU SHOULD REPLACE CABLES FOR BOTH SIDES OF A SYSTEM IF ONE OR BOTH SIDES HAS A BAD CABLE. USE CABLES OF THE SAME TYPE FOR BOTH SIDES. THIS WILL PREVENT UNEVEN CABLE STRETCH THAT CAN CAUSE PROBLEMS WITH THE RIGGING OF THE SYSTEM.
1 PROOF-LOADING OF NYLON JACKETED CABLE SHALL BE BASED UPON THE DIAMETER OF THE WIRE ROPE ONLY.
DO NOT INCLUDE THE JACKET AS PART OF THE DIAMETER.
Control Cable Installation
Figure 401
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747-400 MAINTENANCE MANUAL
S 934-018
(6)
Make marks on the positions of the fittings not installed on the cable before installation.
S 834-019
(7)
Put tape on the old cable so it will not unravel.
S 834-001
(8)
Cut off the cable end fitting of the old cable and make a splice to attach the old cable to the new cable.
NOTE: If you do not attach the new cable to the old cable, you will
____ have a problem in routing the new cable. Make the splice of minimum diameter and sufficiently strong not to break when you pull the cable through. Make the splice on only the center strands of the cable. Put tape on the loose outer strands.
S 834-020
(9)
Pull the old cable out with light tension on the new cable.
S 434-021
(10)
Install the remaining fittings and apply a proof load to fittings (Fig. 401).
NOTE:____You must apply the full proof load gradually. You must apply the full proof load in more than three seconds. You must hold the full proof load for at least five seconds.
S 434-033
(11) Finish installation according to procedures given in Section E.
E. Finish Installation (general)
S 164-022
(1)
If necessary, remove unwanted material from the surface of the control cable with a dry, lint-free cloth. Clean the full length of travel through the fairleads, air seals, over the pulleys, quadrants, and drums.
S 644-023
(2)
Apply a light thin layer of BMS 3-24 grease to carbon steel cables, then wipe the cable with a clean rag to leave a thin film of grease between the wires on the cable. Do not grease cres cables. They may only be cleaned with a clean rag.
