UPPER MOUNT
CHECK
NOTE
The hub assembly process requires a large (14 feet diameter) area which is flat, clean, and capable of
handling at least 18,000 lbs (8,165 kg).
PAGE
_____
Determine center of azimuth sector.
3-1
_____ Remove
necessary bolts. Install pivot frame brace and drive pivot frame.
3-1
_____
Install rotating frame.
3-2
_____
Install stow pins.
3-2
_____
Torque rotating frame fasteners.
3-2
_____
Install azimuth drive assembly.
3-14
_____
Torque azimuth assembly fasteners.
3-15
_____
Install elevation drive assembly.
3-19
_____ Place hub segment with two elevation pivots upright (elevation pivots facing up) on one side of assembly area. Assembly area
should be flat and 4 X 4s should be used to set the hub segments onto during the hub assembly process.
3-22
_____ Place segment splice onto left side of hub segment using three bolts without washers and nuts. Bolts hold spacer plate in place
during installation of the next segment.
3-22
_____
Align and secure next hub segment to left side of first hub segment.
3-22
_____ Place segment splice onto left side of second hub segment using three bolts without washers and nuts. Bolts hold spacer plate
in place during installation of the third segment.
3-22
_____
Attach elevation jack plate onto remaining hub segment (pivot facing up) using three bolts without washers and nuts. Bolts
hold spacer plate in place during installation of the third segment.
3-22
_____
Align and secure last hub segment to other two segments.
3-22
_____
Attach two elevation angle plates on each side of hub segment with elevation jack plate.
3-23
_____
Ensure upper and outside seams are even then torque all hub assembly fasteners.
3-23
_____
Lift hub assembly and attach hub elevation pivot brackets to rotating frame pivot brackets.
3-23
_____
Attach hub elevation drive bracket to elevation drive assembly.
3-23
_____
Install ladders for access to rotating frame and hub.
3-29
_____
Install guard rails on work platform.
3-29
_____
Attach covers, standpipes, and tread plate.
3-30
A-3
Содержание 8116 Series
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