Vinten Vision 5LF Maintenance Manual page 21

Contents
Adjustments
Drag control knob adjustment
6 The pan and tilt drag controls on the Vision 5LF head operate by expanding a drag shoe with an
actuator. Bedding-in occurs between the actuator and the shoe, which requires resetting of the drag control
knob. This simple adjustment should be performed after one month's service and at six monthly intervals
thereafter.
7 The procedure for resetting the pan and tilt drag control knob is as follows
7.1 Release the pan and tilt brakes.
7.2 Prise out the centre of the appropriate drag control knob (3).
7.3 Turn the knob fully clockwise to its maximum setting and remove the retaining screw (2).
7.4 Pull off the knob (1), rotate approximately 20 degrees counter-clockwise and refit.
7.5 Turn the knob fully counter clockwise to its minimum setting.
7.6 Turn knob clockwise and ensure that drag begins to be felt at a setting between 1 and 1.5 on the
drag knob. Repeat
7.7 Secure knob with screw
Para 7.4 until this can be achieved.
(2) and refit knob centre (3).
Fig 4.1 Drag control knob adjustmen
First Previous Next
Page Page Page
(Fig 4.1):
t
Previous
View
(1)
(2)
(3)
21