Service manual

5. DISASSEMBLY AND ASSEMBLY
5.2 Service Manual BSM-4100
1. Turn off the instrument.
2. Disconnect the power cord from the instrument and remove the battery from
the instrument.
3. Remove the rubber cap from each end of the handle by popping the cap out
with a flat-blade screwdriver. A hexagonal head screw is under each cap.
4. Use a 5 mm Allen wrench to remove the 2 hexagonal head screws which secure
the handle. Remove it from the instrument.
Opening the Instrument
CAUTION
Before placing the instrument on a table, if its surface is dirty, hard or
rough, cover the table with a clean, soft and smooth material to avoid
making the screen dirty or damaging the screen.
5. Put the instrument on the work table so that the rear side is up and the bottom
part of the instrument extends beyond the table edge.