10
Replacing base unit batteries
Each base unit uses two sealed lead acid rechargeable rated
at 12V 20Ah non-maintenance or equivalent. These provide a
minimum, 100 hours of operation when fully charged.
IMPORTANT: You are recommended to replace the base unit
batteries as a pair. Do not use any other battery or charger
than those supplied by Pike Signals.
To replace the base unit batteries
1 Remove the four fixing screws holding the yellow top cover to
the main frame.
2 Carefully lift the yellow top cover (take care as the front panel
is wired to the main chassis) and place next to the unit.
3 Locate the batteries and their fixing straps:
4 Remove the negative (black) and then live (red) connections
to the batteries.
5 Remove the bolts from both ends of each battery strap.
6 Remove the old batteries and replace them with ones of the
same specification.
7 Replace the battery straps and bolts.
8 Replace the live (red) and then negative (black) connections
to the batteries.
9 Replace top cover onto base frame.
10 Replace four fixing screws to hold top cover onto main
frame.
11 Perform a full test of the base unit in a safe environment
before placing it back into service.
Batteries
