70-20-01
ALL ú ú C01 Page 211 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5 STEP 6 BERGEN CRIMPING TOOL
S-M56-MM-03552-00-B
Safety Cable Installation
Figure 207 (Sheet 1)
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70-20-01
ALL ú ú C01 Page 212 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
L54035
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5 STEP 6
SNAP-ON CRIMPING TOOL
S-M56-MM-03553-00-B
Safety Cable Installation
Figure 207 (Sheet 2)
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70-20-01
ALL ú ú C01 Page 213 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
L54040
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(b)
Do not safety more than three bolts with one safety cable.
(c)
Do not use safety cable on titanium fasteners.
S 422-019-C00
(3) Do the steps that follow to install the safety cable:
NOTE: Correct alignment means that the safety cable holes are
____ aligned so that the installed safety cable will prevent disengagement of the part. Do not exceed torque limits of any part in an attempt to align the holes.
(a)
Put the cable through parts to be safetied (step 1).
(b)
Put the ferrule on the cable (step 2 and step 3).
(c)
Tighten the cable by putting the head of the tool in contact with the last bolt head to be wired (step 4).
(d)
Activate the tool to tighten the assembly to the correct tension and automatically crimp the ferrule at the same time (step 5).
(e)
Cut off the excess wire. 1) The overlap must not exceed 0.06 inch (1.6 mm).
(f)
No notches or no frays are permitted.
TASK 70-20-01-802-020-C00
7. Crimping Tool Verification (Fig. 208)
__________________________
A. Procedure
S 912-021-C00
(1) Do a pulloff load test often, to make sure that the crimping tool meets the necessary requirements.
NOTE: It recommended you do three pulloff load tests after you
____
install the component.
S 732-022-C00
(2) Do the pulloff load test as follows:
(a) If it is necessary, set up the test block.
NOTE: Refer to manufacturer's instructions for set up
____
information.
(b)
Make sure the pivot joint is in the forward direction.
(c)
Install the safety cable in the test block: 1) Move the cable stop at the end of the test block. 2) Install the safety cable through the hole that was covered
by the cable stop. 3) Pull the safety cable through the hole in the safety block and then put it through the hole in the pivot joint. 4) Pull the cable through the hole in the pivot joint.
(d)
Use the crimping tool to install the safety cable in the test block.
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