Vinten Vision SD12 - Page 21

21
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Section 4
Servicing
Contents Para
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Adjustments
Resetting the drag knobs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Level bubble lamp battery installation and replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
General
1 The Vision SD12 head requires a minimum of periodic servicing. Its rotational and drag mechanisms
are totally enclosed to prevent the ingress of dirt or foreign bodies. If the head becomes faulty reference
should be made to Section 5 of this manual, or the unit may be returned to Vinten Broadcast Limited or your
local distributor for overhaul.
Cleaning
2 It is important that the external surfaces of the head and accessories are kept as clean as possible.
After use in normal conditions the equipment should be thoroughly wiped using a clean dry cloth. After
operations in dusty, muddy or sandy conditions use a stiff non-metallic brush and an industrial vacuum
cleaner to clean the head. Special attention should be paid to the spaces between the tilting platform and the
body and between the body and the base, where the presence of dirt could interfere with the smooth
movement of the pan and tilt functions. After cleaning inspect the head for wear or damage. When the head is
to remain unused for a long period of time thorough cleaning is recommended prior to placing it in storage.
Lubrication
3 The bearings in the pan and tilt head are packed with grease. Under normal operating conditions they
will only require re-greasing if there is any harshness or stiffness in movement.
4 To check the bearings, turn the balance control as far as possible counter-clockwise, turn the pan and
tilt drag controls fully counter-clockwise and release the brakes. At these settings both pan and tilt axes
should move smoothly and without perceptible drag.