
BASEWEST
Operating & Maintenance Manual
Model TS-420 Test Set
Page 8 of 10
25-60-41
24 Jan 2002
b) Carefully remove the bottom portion of the instrument case and lay aside.
Figure 5. Internal Battery Access
c) Locate the battery lead wire, and follow it to the connector on the PC board. While
securing the instrument with one hand, carefully disconnect the battery connector from
the PC board and remove the battery. (
NOTE
: The battery is secured by mating
patches of Velcro. Use care in removing the battery pack; do not use excessive force)
Figure 6: Battery Removed
Battery Pack
Battery Connector
Velcro Patch / Hook
(Attached to Test Set)
Velcro Patch / Pile
Attached to Battery)
P
Part of Battery