21
9
To replace the battery (
9.1
Tilt the head forwards to allow access to the battery cover
9.2
Using a thin-bladed screwdriver or similar tool, prise off the battery cover
9.3
Pull out the battery
to the extent allowed by the cable and remove the connector
9.4
Push the connector onto the terminals of the replacement battery.
9.5
Position the battery in the battery compartment, ensuring that the wiring is neatly stowed in the
cut-out provided.
9.6
Refit the battery cover
.
9.7
Press the switch
and ensure that the balance mechanism digital display
, the level bubble
and the drag knob scales are lit for approximately 15 seconds.
Adjustments
Brake knob adjustment
10
To remove the earlier knob
:
10.1 Turn the knob counter-clockwise to its lower stop.
10.2 Using a suitable sharp-pointed tool, slide the knob release outwards and grip the brake knob
stop with pliers.
10.3 While still gripping the brake knob stop, turn the knob until it is 15° below the horizontal, then pull
the knob off the shaft.
NOTE:
The illumination level of the digital display and the level bubble and the drag knob scales
varies with the intensity of the ambient light.
Removal of the battery will not affect the calibration of the balance mechanism display.
WARNING!: If a payload is not fitted to the head, turn the balance knob (15) full counter-
clockwise to reduce the balancing force before tilting the head forwards.
NOTE:
The design of the pan and tilt brake knobs was improved at Serial No. 03237. The improved
knobs, which are easier to remove and install, are interchangeable with the earlier knobs.
The pan and tilt brake knobs are set during manufacture so that the brakes are fully
applied before the knobs reach their upper stops. As the brakes bed in during use it may
be necessary to reset the knobs.
The procedure shown is for the tilt brake knob.The pan brake is adjusted in a similar
fashion