Vinten OB Quattro, Руководство оператора

Страница: 9 / 25

9
Operation
Unpacking
Unpack the pedestal, ensuring that all transport packing is removed.!
Column check
Ensure pedestal pressure is approximately 3.5 bar (50 psi). Increase or reduce as necessary, us-
ing the Schrader valve
(16) .
Remove the self-adhesive safety catch warning covers (4.1) .
Push down on the weight tray (2) against residual pressure. At the safety catches (4) , push the
rocker switches to the unlocked position. Allow the column to extend under hand restraint.
WARNING! The OB Quattro pedestal has a mass of 117 kg (257 lb). Take
care when lifting the pedestal. Always use the lifting handles (9) .
Do not lift the pedestal by the base casting or by the steering
ring.
Do not release the safety catches
(4) at this stage
WARNING! A pressure retaining valve prevents pedestal pressure being
reduced below approximately 3.5 bar (50 psi), indicated by the
yellow segment on the pressure gauge
(14) .
In the event that pressure has fallen below this, pressurize the
pedestal to approximately 3.5 bar (50 psi) before attempting to
extend the column.
Safety Catch Warning Covers
(4)
(4.1)