SIZE -4 -5 -6 -8 -10 -12
THICKNESS WALL 0.020 0.020 0.028 0.034 0.049 0.049
USE THESE TORQUE VALUES FOR SPECIAL THIN WALL MIL-T-6845 (304-1/8h) TUBING:
SIZE -8 -10 -12
THICKNESS WALL 0.028 0.035 0.042
(POUND-INCHES) TORQUE 375 575 725
USE THESE TORQUE VALUES FOR STANDARD MS FLARELESS TUBE ENDS (BACS13AP SLEEVES) ON 6061-T6 ALUMINUM AND ANNEALED CRES TUBING WITH THE MINIMUM WALL THICKNESS BELOW:
SIZE -3 -4 -5 -6 -8 -10 -12 -16
THICKNESS WALL 0.028 0.028 0.028 0.028 0.028 0.028 0.028 0.035
USE THESE TORQUE VALUES FOR SPECIAL THIN WALL ANNEALED CRES TUBING:
SIZE -6 -10 -12
THICKNESS WALL 0.020 0.020 0.020
(POUND-INCHES) TORQUE 160 250 325
Installation Torque for Flareless Tubing Fittings
Figure 208 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
BOEING PART NUMBER (BAC5001-9, TABLE VII) ( ) DASH NUMBER (POUND-INCHES) TORQUE +5 -0
BACC10AUU() 250-275 70
300-500 550-600 100
BACC10BR8() 100-900 100
BACC10CT2() 100-600
BACC10DP()A 150-250 50
BACC10DP()B 300
BACC10DP()AB 350-400
450-600 70
BACC10DU()AB 100-175 50
200-275 55
300-450 60
500-600 65
700-1000 75
BACC10EY()B 425-800 150-800 105
150-400 75
BACC10EZ()B 125-275 75
300 105
125-300
BACC10GY() 150-175 40
200-275 45
300-450 50
475-600 55
650-900 65
BACC10HX() 100-300 10
325-500 15
550-800 20
NUCO (U430453) 125 55-65
BACC10KH 200-275 45
300-475 55
500-550 60
600-650 65
700 70
BACC10AC 150-200 40-50
225-300 60-70
315-550 120-140
COUPLING CLAMPS, V-BAND, AND CHANNEL-BAND
1
1
THE RECOMMENDED TIGHTENING PROCEDURE IS AS FOLLOWS:
1. APPLY THE INSTALLATION TORQUE AS GIVEN IN THE TABLE.
2. HIT THE ENTIRE CIRCUMFERENCE OF THE CLAMP LIGHTLY WITH A WOOD, LEATHER, OR SOFT PLASTIC MALLET.
3. DO STEPS 1 AND 2 UNTIL THE TORQUE WILL STAY CONSTANT.
Standard Torque Values for Clamps
Figure 209 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
CHANNEL BAND CLAMPS
TYPE (INCHES) DUCT OD TORQUE (POUND-INCHES)
BACC10CT 1.00-6.00 100-105 2
DUCT-SUPPORT CLAMPS
TYPE (INCHES) DUCT OD (POUND-INCHES) TORQUE
BACC10AD 2.00-8.00 20-25
HOSE CLAMPS
HOSE OD TORQUE
TYPE (INCHES) (POUND-INCHES)
BACC10BN 1.75-20.00 20
ROYLYN COUPLING
DUCT OD TORQUE
TYPE INCHES/MATERIAL (POUND-INCHES)
BACR12H 1.50/5052-0 600-1000
1.50/STAINLESS 900-1200
1.75/5052-0 2.00/5052-0 900-1200 1300-2500
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