Vinten OB Quattro Operator'S Manual Download

Page: 23 / 25

Refit the wheel assembly

(12)

on the axle mounting block

(12.4)

Set the cable guard

(11)

to the correct height, then screw down the two cable guard knobs

(11.1)

so that the clamp sleeves

(11.2)

engage in the cut-outs in the axle mounting block

(12.4)

. Fully tighten the cable guard knobs.

WARNING! Ensure braked wheel (with brake bar

(12.5)

) is installed below

brake pedal

(8)

Summary of Contents for OB Quattro

Page 1: ...Vinten Camera Control Solutions Operators Guide OB Quattro Pedestal ...

Page 2: ... world No part of this document may be stored in a retrieval system transmitted copied or reproduced in any way including but not limited to photocopy photograph magnetic or other record without the prior agreement and permission in writing of Vinten Broadcast Limited Vinten is a registered trademarks of Vinten Broadcast Limited ...

Page 3: ...ountering the warning triangle and open book symbols it is imperative that you consult this operators guide before using this pedestal or attempting any adjustment or repair Critical data Mass Pedestal 117 kg 257 lb Load Maximum recommended load 100 kg 220 lb Pressure Maximum pressure 16 3 bar 236 psi NOTE The OB Quattro will support a load of 120 kg 264 lb However for maximum stability particular...

Page 4: ...Manual Further information For further information or advice regarding this pedestal please contact Vinten Broadcast Limited your local Vinten distributor or visit our website For full details on maintenance and spare parts please refer to the OB Quattro Pedestal Grey Maintenance Manual and Illustrated Parts List Publication Part No 3446 9 or OB Quattro Ped estal Black Maintenance Manual and Illus...

Page 5: ... the load 14 Using the pedestal Height adjustment 15 Steering 15 Parking brake 16 Cable guards 16 Cable clamp 16 Transportation and storage 16 Servicing Routine maintenance 18 Cleaning 18 Steering alignment 19 Changing the steering ring 21 Changing the wheels 22 Parts list 24 Technical data 25 Associated Publications OB Quattro Pedestal Grey Maintenance Manual Part No 3446 9 OB Quattro Pedestal Bl...

Page 6: ...6 OB Quattro Pedestal 1 2 4 3 5 6 7 8 15 9 16 10 17 14 18 11 4 20 19 13 12 ...

Page 7: ... indicator 6 Moving column 7 Crab steer changeover pedal 8 Parking brake pedal 9 Lifting handle 10 On shot clamp 11 Cable guard 12 Twin wheel 13 Trim weight stowage 14 Pressure gauge 15 Cable clamp 16 Schrader valve and cap 17 Drag control 18 Lock spigot 19 Trim weight main 20 Four bolt mounting plate ...

Page 8: ...locks 4 on the weight tray which en gage with spigots 18 at the base of the column An on shot clamp 10 and a drag control 17 are provided at the base of the column The base is carried on three pairs of twin wheels The pedestal is supplied with 200 mm 7 9 in solid rubber wheels with cable guards 11 Alternative 160 mm 6 3 in solid polymer composite wheels are available The wheels are easily intercha...

Page 9: ... 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...

Page 10: ...ght 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 re straint Apply the on shot clamp 10 Fit the pan and tilt head or adaptor and secure with the appropriate bolts Release the on shot clamp 10 and lower the moving column under hand restraint Push down on the weight tray 2 and push the safety catch roc...

Page 11: ...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 Pressurization Graph 0 10 20 30 40 50 60 70 80 180 160 140 120 100 80 60 40 20 0 lb kg 0 2 4...

Page 12: ...gainst residual pressure At the safety catches 4 push the rocker switches to the unlocked position Position the pump between the legs standing with both feet on the fold down feet P 3 Grip the handle P 1 with both hands and using full steady strokes pressurize the pedestal to the required pressure Do not exceed the maximum working pressure indicated by the WARNING This pedestal must be pressurized...

Page 13: ...pedestal charging valve but do not refit the Schrader valve cap at this stage Fit the hose in its stowage P 2 Push the pump plunger fully down push in the handle release button P 5 and move the handle P 1 to the vertical position where it will lock the pump plunger in the closed posi tion Fold up both the feet P 3 Vinten Portable Pump P 1 P 5 P 2 P 3 P 4 ...

Page 14: ...e Schrader valve cap 16 Refit the Schrader valve cap 16 A correctly pressurized pedestal will balance its payload such that it can be moved to any position over the full on shot stroke of the moving column with minimum effort and it will maintain its position when the steering ring is released Fine balance and temperature correction may be achieved by adding or removing trim weights WARNING A pres...

Page 15: ...change direction by 90 The steering ring is fitted with indicators 5 which when aligned with the crab steer pedal 7 indicates the straight ahead po sition and thus provides a reference point when steering The pedestal has a crab steer arrangement with a foot operated changeover mechanism which provides a steer setting one wheel steering two fixed or a crab setting all three wheels turning together...

Page 16: ...ation and storage proceed as follows Fully depress the moving column 6 Push down on the weight tray 2 and push the safety catch rocker switches to the locked position Remove the camera and accessories WARNING This brake is intended for use only as a parking brake Do not apply the brake while the pedestal is in motion WARNING The OB Quattro pedestal has a mass of 117 kg 257 lb Take care when liftin...

Page 17: ...cting on moving components re lease the on shot clamp 10 and set the moving column 6 to minimum height Push down on the weight tray 2 and push the safety catch rocker switches to the locked position Place any trim weights 1 19 in the trim weight stowage 13 WARNING A pressurized pedestal will rise rapidly when the safety catches are released Do not lean over the pedestal when releasing the safety c...

Page 18: ...the moving column If the steering is misaligned re align the wheels See Steering alignment Refer to the appropriate section in the Maintenance Manual if the on shot clamp is ineffective ex cessive radial or side play is apparent in the moving column or any other defect is apparent Adjustments and repairs should be carried out only by a competent person Cleaning During normal studio use the only cl...

Page 19: ...edestal to align the wheels under the crab knob and the other front wheels with the line on the studio floor and repeat the above check If the deviation exceeds the above limits re align the wheels as follows Remove any payload from the pedestal Remove all trim weights from the weight tray and stowages Lower the column and lock in the fully depressed position With the aid of a second person invert...

Page 20: ... then recheck the align ment of the two wheels furthest from the clutch wheel Repeat the adjustment until align ment is satisfactory Ensure all lock screws 12 2 are fully tightened With the aid of a second person turn the pedestal upright Carry out a tracking check as detailed above If problems are still experienced with the steering it is probably due to backlash in the steering ring or slackness...

Page 21: ...ring Fully extend the column and apply the on shot clamp 10 On the underside of the steering hub remove four knurled nuts 3 1 to release the steering ring 3 Note the position of the steering indicators 5 and remove the steering ring Position the replacement steering ring on the steering hub with the steering indicator in the position noted above Secure the steering ring with four knurled nuts 3 1 ...

Page 22: ...ne braked two unbraked as follows 160 mm studio 3446 900SP 200 mm OB 3446 901SP To change the wheels At each corner of the pedestal in turn raise the corner and support it on a suitable block Unscrew the two cable guard knobs 11 1 until the clamp sleeves 11 2 are clear of the cut outs in the axle mounting block 12 4 Remove the wheel assembly 12 complete with cable guard 11 Changing the Wheels 12 4...

Page 23: ...uard 11 to the correct height then screw down the two cable guard knobs 11 1 so that the clamp sleeves 11 2 engage in the cut outs in the axle mounting block 12 4 Fully tighten the cable guard knobs WARNING Ensure braked wheel with brake bar 12 5 is installed below brake pedal 8 ...

Page 24: ...or For information on line visit our website at www vinten com Item Part No OB Quattro pedestal Grey 3446 3 OB Quattro pedestal Black 3502 3 Trim weights main 3445 47 auxiliary 3445 48 Small diameter steering ring 3445 42 Large diameter steering ring 3445 43 Vinten portable pump 3357 3 Set of three 160 mm polymer composite wheels with cable guards 3446 900SP Set of three 200 mm solid rubber wheels...

Page 25: ...6 8 cm 18 4 in Maximum height with 200 mm wheels 149 8 cm 59 in with 160 mm wheels 146 8 cm 57 8 in Ground clearance with 200 mm wheels 5 cm 2 in with 160 mm wheels 2 cm 0 8 in On shot stroke 100 cm 39 4 in Doorway tracking width 98 cm 38 5 in Transit doorway width Small steering ring 87 cm 34 3 in Large steering ring 91 3 cm 36 in Steering ring diameter small 58 9 cm 23 in large 74 cm 29 in Maxim...

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