12
Mk 5 Pan & Tilt Head Maintenance Manual
Head assembly
4
The head assembly is a machined alloy casting in plate form, with slots and recesses milled out for the
installation of the side guide bars, the fine C of G adjustment block and the wedge adaptor securing screws.
The following items are secured to the head platform.
Side guide bars
5
These are of square section with a channel milled out on one bearing edge and a limit slot milled out on
the inside face. The guide bars are secured by spirol pins to a pair of steel pivot pins which are in turn housed
in a pivot pin bearings; these being secured to the underside of the platform by socket headed screws passing
through the platform from the top face.
Cams
6
These are installed as matched pairs and are secured to the underside of the platform by socket
headed screws, each cam requiring 6 screws passing through the platform from the top face.
Fig 1.1 Vinten Pan and Tilt Head Mk 5