435H Pan and Tilt Head Technical Manual Version: 1.0 th Issue Date: 15 June 2004 Vinten Broadcast Ltd. Western Way Bury St Edmunds Suffolk IP33 3TB United Kingdom Vinten Inc. 709 Executive Blvd. Valley Cottage New York 10989 USA Tel: +44 (0) 1284 752121 Fax: +44 (0) 1284 757929 Email: contact@vinten.com Tel: +1 845 268 0100 Fax: +1 845 268 0113 Email: contact@vinten.
Vinten Broadcast Ltd. 1. TABLE OF CONTENTS Page 1. TABLE OF CONTENTS ____________________________________ 1 2. INTRODUCTION _________________________________________ 2 2.1. 2.2. General ...........................................................................................2 Specifications..................................................................................2 3. HANDLING & INSTALLATION ______________________________ 3 3.1. 3.2. Handling ...................................................
Vinten Broadcast Ltd. 2. INTRODUCTION 2.1. General TYPE 435 H The 435H is one in the latest generation of pan and tilt Heads designed to support CCD Studio cameras, lenses and teleprompters. It combines high performance remote control technology with a unique system of electronic clutches enabling it to be instantly switched to a fully manual Head if programme needs demand. Adjustable fluid damping is provided as standard for both pan and tilt axes to provide a perfect feel when used manually.
Vinten Broadcast Ltd. 3. HANDLING & INSTALLATION 3.1. Handling Prior to shipment, the four mounting studs are removed from the base flange of the pan and tilt head. The head is then packed with the tilt platform in its mid-position with the locking pin in place and such that the brake knobs are protected from damage. The brakes are left free to prevent shock loads being transmitted to the gearing should the head be roughly handled during transit.
Vinten Broadcast Ltd. height of the centre of gravity of the system, including pan bar and lens controls if these are to be fitted. Loosen the three hex-socket screws securing the tilt platform to tilt flange and raise it to bring the estimated vertical position of the camera/lens centre of gravity in line with tilt axis and tighten the three socket screws. For efficient control, it is essential that the whole load, including the cables, be properly balanced about the tilt axis.
Vinten Broadcast Ltd. 4. MAINTENANCE WARNING 1/ REMOTELY-CONTROLLED EQUIPMENT MAY MOVE SUDDENLY AND WITHOUT PRIOR WARNING. STAND WELL CLEAR AT ALL TIMES. 2/ DANGEROUS MECHANISMS IN PAN & TILT HEAD. KEEP FINGERS WELL CLEAR. CAUTION 1/ BEFORE MOUNTING/DEMOUNTING THE CAMERA, ENSURE THE TILT LOCKING-PIN IS ENGAGED AND PAN BRAKE IS APPLIED. 2/ PLASTIC TRACK PRECISION POTENTIOMETERS CAN BE DAMAGED BY EXCESS CURRENT. USE ONLY OHMMETERS HAVING A SHORTCIRCUIT RATING OF LESS THAN 10mA.
Vinten Broadcast Ltd. Erratic and jerky operation can also be caused by the following : 1. 2. 3. 4. Noisy demand signal. Noisy positional feedback potentiometer. Check and replace if necessary. Faulty motor or tacho. Check and replace if necessary. Loose timing belt drives. Check and tighten if necessary. 4.3. Dismantling the Head Fit the tilt locking pin, set pan to its mid position by lining up the red dots on the pan base and the main casting, and apply the pan brakes.
Vinten Broadcast Ltd. 4.5. Replacing a Motor / Tacho Replacing a motor / tacho is very similar for both pan and tilt. In both cases, the back cover must be removed and the main and base castings separated as described previously. Note the colour and position of the motor and tacho wires and then unsolder them from the interference suppression PCB.
Vinten Broadcast Ltd. against the spacer collar. Holding the ring of the coil at the coil end of the assembly, tighten the two M5 grub-screws while ensuring that there is minimum end float, but also ensuring that the coil is free to rotate on the shaft. Next the two M4 grub-screws should be tightened and if the coil tends to bind, repeat the tightening procedure until a satisfactory result is obtained.
Vinten Broadcast Ltd. 5. DRAWINGS 5.1. Build Standard TYPE 435H PAN + TILT HEAD (HK 435-103-0001) The type 435H heavy duty (70kg) P+T Head with increased damping is based on the HK 435-101-0002DA build standard and contains the following sub assemblies: Suppression P.C.B. Clutch P.C.B.
