COBHAM Sea Tel 9711-56 IMA C Band, Installation Manual

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Maintenance Sea Tel 9711-56 IMA
17-2
EAR Controlled - ECCN EAR99
17.2. Torque and Loctite Specifications
WARNING: Assure that all nut and bolt assemblies are tightened according to the
tightening torque values listed below:
SAE Bolt Size Inch Pounds Metric Bolt Size Kg-cm
1/4-20 75 M6 75.3
5/l6-18 132 M8 150
3/8-16 236 M10 270
1/2-13 517 M12 430
NOTE: All nuts and bolts should be assembled using the appropriate Loctite thread-locker
product number for the thread size of the hardware.
Loctite # Description
224 Low strength for small fasteners.
242 Medium strength
638 High strength for Motor Shafts & Sprockets.
2760 Permanent strength for up to 1” diameter fasteners.
290 Wicking, High strength for fasteners which are already assembled.
17.3. General Maintenance
17.3.1. Identifying the Linear/Circular Selectable Feed Assembly
Due to a change in vendors there are two different part number Linear/Circular Selectable Feed
Assemblies. It is important to identify which part number feed is being installed on your antenna to
be able to set the feed drive direction properly. Refer to the procedure below to identify which part
number feed you have and what settings you need to check in the MXP.