L-B4054 (0000)V
Safety Cable Examples Figure 207 (Sheet 2)
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FOR THREE BOLT PATTERNS
A=D+E
FLEX LIMITS, DIMENSIONS
Safety Cable Flex Limits
Figure 208
L-B4055 (0000)V
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E. Replacement of Safety Cable With Lockwire
S 902-036-N00
(1) Where permitted, you can replace the safety cable with lockwire.
(a) See below to find the correct lockwire size for safety cable replacement.
~................................................................ | NOMINAL SAFETY CABLE DIAMETER | LOCKWIRE REPLACEMENT | .................................................................. | 0.020 inch (0.508 mm) | AS3214-01 | .................................................................. | 0.032 inch (0.813 mm) | AS3214-02 | 2...............................…................................1
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TEMPORARY MARKING PROCEDURES - MAINTENANCE PRACTICES
____________________________________________________
TASK 70-22-00-932-001-N00
1. Identification of Engine Components with Marks
______________________________________________
A. General
(1)
When you put a mark on a part, an assembly, or a weld, all these conditions are necessary:
(a)
You can see the mark clearly
(b)
The mark will stay on the part
(c)
You can read the mark
(d)
The part will operate correctly
(e)
You apply the mark with procedures which have the approval of Pratt & Whitney.
(2)
Unless specified differently, when you identify a part again make sure that the new mark is in the same location or adjacent to the initial mark.
(3)
When you mark a part, use the limits given below for the dimensions of the letters and numbers:
(a)
Use numbers which are 0.060-0.160 inch (1.5-4.1 mm) in height
(b)
If the area of the surface on the part is small, the letters and numbers can not be less than 0.016 inch (0.406 mm) in height
(c)
In all areas, the letters and numbers can not be more than
0.500 inch (12.700 mm) in height.
(4)
If you will plate, anodize, hardcoat, paint or coat a part, use these steps to apply the mark.
(a)
You must make a mark on the part before you apply the coating.
(b)
Use only an approved procedure to put a permanent mark on the part.
(c)
Make sure you can see the mark after you apply the last layer or coating.
(d)
If you must put a mark on a part which has a surface coating, do these steps: 1) On outer surfaces, do these steps to apply a mark:
a) Apply the mark with the ink.
b) Apply a layer of the clear coating (P05-041).
2) On inner surfaces, apply the mark by vibration peening. If not, apply the mark with ink and then apply a layer of transparent varnish coating (P05-040).
3) Put the mark on a surface of the part which does not touch and move against a different surface.
(e)
Do not put a mark on a part with electric or hand arc scribing, which makes the letters and numbers with an electric arc between the instrument and the surface.
(f)
Because of corrosion, do not put a mark on a part with acid etching.
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