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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A
757
MAINTENANCE MANUAL
CHANNEL BAND CLAMPS
TYPE DUCT OD (INCHES) (POUND-INCHESTORQUE )
BACC10CT 1.00-6.00 100-105 2
DUCT-SUPPORT CLAMPS
TYPE DUCT OD (INCHES) TORQUE (POUND-INCHES)
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
2.00/5052-0 1.75/5052-0 1300-2500 900-1200
2.50/5052-0 2000-3000
INSIDE OF COUPLING IS NOT LUBRICATED.
Standard Torque Values for Clamps
Figure 209 (Sheet 2)
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E78793
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757 MAINTENANCE MANUAL
OFF-AIRPLANE DATA LOADING - MAINTENANCE PRACTICES
_________________________________________________
1. General_______
A. On-board software loadable LRUs can be loaded with software on the airplane using the AMM Software Installation procedures for each software loadable LRU or off the airplane using these off-airplane loading procedures. The AMM on-airplane Software Installation procedure for each software loadable LRU is contained within the respective ATA chapter for the LRU. This procedure provides details for the software loading of an LRU off the airplane.
TASK 20-15-01-472-001
2. Off-Airplane Software Installation__________________________________
A. Equipment
(1) Off-airplane data loading equipment may have the capability to support various interfaces: i.e., ARINC 429, ARINC 629, RS232, and PC cards. Off-airplane data loading equipment may be used to load several software loadable LRUs. Reference the airlines off-airplane data loading policy to determine which LRUs can be off-airplane loaded with the following equipment. For off-airplane data loading equipment information contact an off-airplane data loading equipment vendor directly.
(a)
QSL7X7, Shop Data Loader Qualtair Equipment and Engineering (Vendor Code 1HEC2) 15720 Mill Creek Boulevard, Suite 200, Mill Creeek, WA 98012
(b)
615 FDS, Flightline Dataload Station Qualtair Equipment and Engineering (Vendor Code 1HEC2) 15720 Mill Creek Boulevard, Suite 200, Mill Creeek, WA 98012
(c)
Data Loader - Shop Pentar Avionics Headquarters 19820 North Creek Parkway Suite 102, Bothell, WA 98011
(d)
or equivalent.
B. Procedures
S 022-002
(1)
Off-airplane data loading is accomplished on software loadable LRUs that are removed from the airplane or are taken out of stores.
S 422-003
(2)
An LRU which is removed from the airplane for the purpose of off-airplane loading must be installed using the AMM Removal and Installation procedures. The R & I procedures will require that you make sure that the correct software is installed in the LRU.
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