Fitting And Balancing The Load - Vinten Vision Ped Plus Operator's Manual

Pressurizing from an external pressure source
WARNING! This pedestal must be pressurized only with clean, dry air or
To pressurize the pedestal from an external pressure source, proceed as follows:
Fully depress the moving column
Remove the Schrader valve cap
source.
Turn on the pressure supply and slowly increase the pedestal pressure to the required pres-
sure. Do not exceed the maximum working pressure, indicated by the leading edge of the
red sector on the gauge (22).
Disconnect the charging line, but do not refit the Schrader valve cap at this stage.

Fitting and balancing the load

After pressurization of the pedestal, the camera mounting and payload can be fitted and balanced.
WARNING! Fit the camera mounting and payload with the moving column
The Vision Ped Plus pedestal is supplied with a 100mm bowl mount which may be removed to
enable the standard four-bolt flat mounting plate to be used.
When the camera mount has been secured proceed as follows:
Fit the payload to the fully-depressed top stage of the pedestal, ensuring that all items such
as pan bars, prompters, lenses etc, are fitted. Attaching these items at a later stage may
upset the pedestal balance.
Push down on the steering ring
catch (3) Set the safety catch in the horizontal position. Allow the column to extend fully.
Using the Schrader valve cap (21), carefully reduce the pressure in steps of 0.15- 0.20 bar
(2-3 psi) until the payload is correctly balanced. A correctly pressurized pedestal will bal-
nitrogen. A pressure reducing valve must be fitted to the pres-
sure line between the gas cylinder and the outlet connection of
the hose. The reducing valve must be screwed into the gas cyl-
inder outlet. The maximum pressure on the outlet side of the
reducing valve must not exceed 9.6 bar (139 psi). Do not pressu-
rize the pedestal beyond the maximum safe working pressure
indicated by the leading edge of the red sector on the gauge.
The pedestal is fitted with a pressure relief valve as a safeguard
against over-pressurization.
Do not attempt to adjust the pressure relief valve.
(4) and engage the safety catch (3).
(21) and connect the charging line from the pressure
depressed and the safety catch
(20) against any residual pressure and release the safety
(3) engaged.
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