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Pressurizing the pedestal
The OB Quattro may be pressurized from an external pressure source or by using the Vinten port-
able pump (Part No. 3357-3). Trim weights
Ascertain the payload to be fitted to the pedestal (payload = pan and tilt head, camera, lens and
all ancillary equipment). Referring to the graph, mark the payload on the horizontal axis then strike
a vertical line from the load figure to the balance line. At the intersecting point strike a horizontal
line to the vertical axis and read off the required pressure.
The pedestal should be pressurized with the column unlocked and free to extend.
psi
bar
260
18
240
16
220
14
200
180
12
160
10
140
120
8
100
6
80
60
4
40
2
20
0
0
0
0
(1)(19)
≤ 16.3 bar
(236 psi)
10
20
30
40
50
20
40
60
80
100
Pressurization Graph
are provided for fine balance.
60
70
80
90 100 110
120
140
160
180
200 220 240
120
kg
260
lb
11
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