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A757MAINTENANCE MANUAL
DISK DIA. BRUSH OR DIA. PILOT DIA. SHANK BONDING BRUSHES MANDRELS DISK ST NO. BOEING
(IN.) WIRE SIZE OSBORN NO. MORRIS NO. TURERS MANUFAC-BRUSH CO. ST NO. BOEING
(IN. (IN.)) (IN. MAX) MIN
1.0 1.0 1.0 3/4 3/4 3/4 1/2 1/2 1/2 1/2 11/32 5/16 1/4 3/16 5/16 1/4 3/16 3/16 5/32 1/8 3/32 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 0.008 0.008 0.008 0.006 0.006 0.006 0.005 0.005 0.005 0.005 0.005 0.006 0.006 0.006 0.005 0.005 0.005 0.004 0.004 0.004 0.004 0.004 94-SV-36 94-SV-48 94-SV-47 94-SV-37 P-36-S5-SS P-36-S1-SS P-36-SS P-31-53-SS P-31-517-SS P-31-516-SS P-34-SS P-33-SS P-32-SS P-31-SS 229-NN 228-NN 227-NN 226-NN 225-NN 224-NN 223-NN 222-NN 221-NN 220-NN ST913K-100-31 ST913K-100-25 ST913K-100-19 ST913K-75-31 ST913K-75-25 ST913K-75-19 ST913M-50-19 ST913M-50-16 ST913K-50-12 ST913K-50-09 ST913K-34-24 ST913M-100-31 ST913M-100-25 ST913M-100-19 ST913M-75-31 ST913M-75-25 ST913M-75-19 ST913M-50-19 ST913M-50-16 ST913M-50-12 ST913M-50-09 ST913M-34-24
Rotary Bonding Brushes and Abrasive Disk Mandrels
Figure 701
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A
757
MAINTENANCE MANUAL
(2) Do not use this task on plated surfaces or metals not painted, for example, CRES or alclad aluminum. Clean these surfaces with a solvent.
B. Consumable Materials
(1)
B00109 Abrasive Disk, Cloth, Open Coat,
150-grit
(2)
B00138 Abrasive Cloth - Federal Spec P-C-451
C. Equipment
(1) Disc Mandrel of Correct Size (Fig. 701)
D. Procedure
S 147-006
CAUTION: DO NOT LET PARTICLES FROM THE ABRASIVE CAUSE CONTAMINATION TO
_______ THE MECHANISMS OR ELECTRICAL EQUIPMENT. DAMAGE COULD OCCUR.
(1) Clean the necessary spot diameter.
NOTE: Use a drill motor or other applicable drive with an abrasive
____
disk of correct size.
(a)
Apply the disk intermittently with light pressure and keep the face of the disk parallel to metal surface.
(b)
Examine the results after each time you apply the brush.
NOTE: Keep the surface loss of metal to minimum.
____
(c) Continue the procedure until the necessary area is clean.
TASK 20-10-22-157-007
5. Remove Paint With Lacquer Thinner or Solvent____________________________________________
A. General
(1)
Use this task to remove primer or lacquer-based paint or enamel from clad aluminum or other metal surfaces. Do not use lye, alkaline paint remover, or hydroxides to clean surfaces.
(2)
This chart gives the color codes to help you identify the bonding brush necessary for each metal.
~................................................................ | BONDING BRUSH COLOR CODE | .................................................................. | METAL COLOR CODE COLOR IDENTIFICATION | .................................................................. | Aluminum None None | | Ferritic Blue J7-42-5200 | | Magnesium Green J7-42-5700 | | Beryllium Brown J7-42-5400 | 2................................................................1
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