24
Mk 5 Pan & Tilt Head Maintenance Manual
Head dismantling
3
If it is considered necessary to dismantle the head, the method will, in general, be evident. If the vertical
guide bars are removed from the head it should be noted that the left hand side (viewed from rear) channel
faces forward.
Cam removal and fitting
4
Each cam is fitted to a cast web on the underside of the body and is retained in place by six socket
headed screws. In order to change cams from one size to another:
4.1
Remove three socket headed screws retaining adaptor plate and lift adaptor plate clear.
4.2
Remove six socket headed screws from top surface of head platform and lift platform to extent of
side guide arm travel.
4.3
Remove cams.
4.4
Fit new cams ensuring that they are a matched pair. A numeral appears on one end of each cam.
These numerals must be identical and, when fitted, are to be facing the rear of the head.
4.5
Refitting is the reverse of the above.