(3)
Regulated air pressure (0 - 100 psi)
B. Consumable Materials
(1) D00324 Lubricant - Extreme Pressure,
Anti-Scoring No. 3
C. Procedure
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
20-10-51
ALL ú ú 01 Page 811 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 948-138
WARNING: POINT THE TUBE AWAY FROM PERSONS AND EQUIPMENT WHEN
_______ YOU SWAGE. DRAW-BOLTS CAN BREAK AND COME QUICKLY OUT OF THE TUBE. THE DRAW-BOLTS CAN HIT PERSONS OR EQUIPMENT AND CAUSE INJURY OR DAMAGE.
(1)
Get the necessary tools as shown in the instruction manual supplied with the Harrison elastomer swager.
S 648-139
(2)
Apply a light layer of antiscoring lubricant to the outer surfaces of the bushings and expanders of the drawbar assemblies. Make sure the tube and sleeve are clean and dry.
NOTE: Do not let the lubricant go into the grooves of the sleeve.
____ Lubricant in the grooves will prevent correct swaging.
S 348-140
(3)
Apply the specified swage pressure and hold the pressure for a minimum of two seconds. See Fig. 814 for specified pressure.
S 228-141
(4)
Do a check of the groove depth with a Tiplar or Mueller bore gage. See Fig. 816 for groove dimensions.
S 228-142
(5)
Do a check on the external dimensions of the swaged fitting. See Fig. 815.
S 228-143
(6)
Make sure the tooling die marks on the tube O.D. do not have a height or depth larger than 10% of the tube wall specified thickness. Other permitted defects include marks or scratches on the outer tube which are less than 0.20 inch in length and 0.002 inch in depth.
S 218-144
(7)
Make sure the seal areas of the sleeves and unions are not scratched or damaged during fabrication. Make sure each seal area keeps the usual finish specifications.
S 228-145
(8)
Make sure the tool and die marks on the external skirt and shoulder areas of the sleeves and unions, are not more than 0.002 inch in height. Also, these marks must not touch the nut.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
20-10-51
ALL ú ú 01 Page 812 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
TASK 20-10-51-308-146
4. Swage the BACS13BX Flareless Sleeves with the 6633K01 Harrison Roller Swaging_____________________________________________________________________________ Kit___
A. Equipment
(1) Harrison Roller Swage Tube Repair Kit - 6633K01
(Sierracin Harrison)
B. Procedure
S 948-147
(1)
Get the necessary tools as listed in the operating instruction manual supplied with the Harrison Roller Swage Tube Repair Kit.
S 358-148
(2)
Apply the specified torque to the expander mandrel (Fig. 817).
S 228-149
(3)
After you swage, make sure the BACS13BX sleeve and tube agree with the specifications of Fig. 817
NOTE:____Do not trim the tube after you roller swage. If it is necessary, remove burrs with an approved deburring tool.
S 218-150
(4)
Make sure the seal areas of the sleeves are not scratched or damaged during fabrication. Make sure each seal area keeps the 63 RHR (no annular tool marks) finish specifications of its standard.
S 228-151
(5)
Make sure the die marks on the external skirt and shoulder areas of the sleeves are not more than 0.002 inch in height. Also, make sure the die marks to not touch the nut.
S 218-152
(6)
Make sure the tube inner surfaces at the swage area do not have scratches or marks caused by defective rollers.
TASK 20-10-51-308-153
5. Preset the BACS13AP Flareless Sleeves_____________________________________
A. General
(1) We recommend you pressure preset and do not preset by hand. If you must preset by hand, we recommend you preset some samples first. Then you can preset the section to repair. On samples, cut away the sleeve to make sure the ring cut on the tube makes a circle around the tube circumference and has a depth of 0.002 inch.
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