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MPT-90 PRODUCT MANUAL
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6.0
SERVICING / MAINTENANCE
6.1
Manually Rotating the Worm Drive Shaft (Pan or Tilt)
1) Adjust the Tilt Table to a horizontal position using the Emulator/GUI
software.
NOTE
If positioning using the Emulator/GUI software is impractical, remove the
and using a large screwdriver, manually rotate the Tilt Axis Worm Drive
Shaft until the Tilt Table is horizontal and clear of the obstructed access
cover. Remove the screws and access cover. If necessary, the Pan
Axis can be moved using the same procedure.
Figure 13: Worm Drive
6.2
Internal Access
To make adjustments to the drive motors, drive chain, carrier assembly, limit
rings and circuit card it will be necessary to remove either the front or back
access covers.
NOTE
Refer to Figures 3 and 4 Pan & Tilt Major Components
1) Place the MPT-90 Tilt Table in a horizontal (level) position (0°?)
2) Remove AND KEEP the sixteen (16) cover mounting screws & washers
in both the Front or Rear Access Covers.
3) Remove the Front Access Cover for access to the Drive Motors/Drive
Chains/Carrier Assemblies
4) Remove the Rear Access Cover for access to the Circuit Board and the
Tilt Limit Rings.
PCB folded
down for
better view
