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Section 4
Servicing
Contents Para
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Routine checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Battery replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Brake knob adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Balance mechanism digital display calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Converting the base. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
General
1 The Vision 250 pan and tilt head is robustly made to high engineering standards and little attention is
required to maintain serviceability save regular cleaning. Attention to the following points will ensure a long
and useful life with minimum need for repair.
Cleaning
2 During indoor use, the only cleaning required should be a regular wipe over with a lint-free cloth. Dirt
accumulated during storage may be removed using a semi-stiff brush. Particular attention should be paid to
the levelling bowl and mounting face of the head and to the space between the tilting assembly and the base.
3 All Vision heads are weatherproof. However, use out-of-doors under adverse conditions will require
special attention. Salt spray should be washed off with fresh water at the earliest opportunity. Sand and dirt
acts as an abrasive and should be removed using a semi-stiff brush or vacuum cleaner
Routine checks
4 Replace the balance mechanism digital display battery yearly.
5 During use, check the following:
5.1 Check the effectiveness of the pan and tilt brakes. Reset as necessary.
5.2 Check the operation of the balance mechanism digital display and the illumination of the level
bubble and drag knobs. Replace battery if necessary.
NOTE: Use only detergent-based cleaners. DO NOT use solvent- or oil-based cleaners, abrasives
or wire brushes to remove accumulations of dirt, as these damage the protective surfaces.
(53 pages)
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