Vital Signs Monitor Series 300 43 Service Manual
5 - Disassembly Procedure
Procedures Overview
These procedures cover monitor disassembly and board removal. Unless otherwise noted,
the assembly procedure is simply the reverse of the disassembly procedure.
Screws
Following are recommended torque specs for all screws:
Caution Perform all repair procedures at a static-protected station.
Observe recommended screw torque specifications, especially with screws
that secure directly into plastic standoffs.
Warning The battery can deliver currents sufficient to cause serious personal
injury and to damage the monitor. When opening the monitor for any reason,
always remove and disconnect the battery immediately, before proceeding
with disassembly.
Caution To avoid mismatching screws and holes, keep the screws for each
piece with that piece as you remove modules, circuit assemblies, and other
components.
Qty Location Part Number Type Size/length Torque
4 Battery Door 620-0399-00 Machine #4-40, 5/16” 4 lbf/in.
3 Case 620-0399-00 Machine #4-40, 5/16” 4 lbf/in.
5 Display Board 620-0393-00 Thread-forming #4-20, 5/16” 4 lbf/in.
4 Main Board 620-0393-00 Thread-forming #4-20, 5/16” 4 lbf/in.
4 NIBP Board 620-0393-00 Thread-forming #4-20, 5/16” 4 lbf/in.
4 SpO
2
Panel 620-0393-00 Thread-forming #4-20, 5/16” 4 lbf/in.
2 SpO
2
Board 620-0047-00 Machine #6-32, 1/4” 4 lbf/in.
2 Printer 620-0165-00 Thread-forming #2-28, 5/16” 3 lbf/in.
1 Printer Board 620-0165-00 Thread-forming #2-28, 5/16” 3 lbf/in.
2 Printer door/roller 620-0091-00 Thread-forming #2-32, 3/16” 3 lbf/in.
2 Temp. Module 620-0394-00 Machine #4-40, 3/4” 4 lbf/in.
4 Temp. Panel 620-0393-00 Thread-forming #4-20, 5/16” 4 lbf/in.
4 Temp Board 620-0393-00 Thread-forming #4-20, 5/16” 4 lbf/in.
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