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20
Routine maintenance
Level bubble illumination unit battery replacement
The level bubble on the Vector 750 pan and tilt head is illuminated by a battery-powered light-emit-
ting diode (LED). A time-delay circuit initiated by a switch controls the LED. The battery should be
replaced at yearly intervals or whenever the illumination is considered inadequate.
To install or replace the battery:
Remove three screws (29) which secure the battery compartment cover plate (32) to the
head.
Install or replace the battery (30), pushing the connector (31) onto the battery terminals.
Position the battery in the battery compartment, ensuring that the wiring is not trapped.
Refit the battery cover plate (32), ensuring battery locates in cover plate. Secure with three
screws (29).
Press the switch (7) and ensure the lamp is lit for approximately 15-seconds.
Fig 6 Cleaning the horizontal tracks
NOTE: Dependent on the type of mounting, it may be necessary to remove the head
from the mounting for access to the battery compartment.
(26)
(15)
(5)
(28)
(25)
(2*)
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