Vinten Radamec Quattro SE Pedestal - Manual (Page 17)

15
Operation
Unpacking
Unpack the pedestal, ensuring that all transport packing and retaining fixings are removed.
Column check
Ensure pedestal pressure is approximately 3.5 bar (50 psi). Increase or reduce as necessary, using the
Schrader valve (5).
Remove the self-adhesive safety catch warning covers (if fitted).
Push down on the weight tray (1) against residual pressure. At the safety catches (2), push the rocker switches
to the unlocked position. Allow the column to extend under hand restraint.
Exercise the column several times over its full stroke.
Push down on the weight tray (1) and push the safety catch rocker switches (2) to the locked position.
Steering mechanism checks
Steering indicators fitted to the steering ring comprises two groups of rivets on the underside of the steering
(19) as shown in (Fig 6) on page 27.
Align a steering indicator (19) with the crab/steer pedal (14). Press the pedal to select CRAB Turn the steering
ring and check that all three wheels turn together and all point in the same direction.
Align a steering indicator (19) with the crab/steer pedal (14) and press the pedal to select STEER. Turn the
steering ring and check that two of the wheels lock in the straight-ahead position and that the third wheel (below
the crab/steer pedal) can be turned by the steering ring.
WARNING! 1. Do NOT lift the pedestal by the steering ring, it may fail. Use the lifting
apertures (13).
2. Do NOT lift unassisted. The Quattro-SE pedestal has a mass of 144 kg
(317 lb). Take care when lifting the pedestal.
3. Do NOT release the safety catches (2) at this stage, the pedestal may
become unstable.
4. Do NOT leave the pedestal unattended on a sloping surface, to prevent it
rolling away.
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 (6).
CAUTION! Do NOT attempt to extend the column if the pressure (6) has dropped below 3.5 bar (50
psi), or the pedestal may be damaged.