Welch Allyn Propaq LT 802LT0N, Руководство по обслуживанию

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26 Disassembly and reassembly Welch Allyn Propaq LT Vital Signs Monitor
Screws
Following are recommended torque specs for all screws used in the monitor:
Caution Observe recommended screw torque specifications, especially with
screws that secure directly into plastic standoffs.
Note
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. Part number Location Type Size/length Torque
Monitor
2 620-0383-xx Battery Pack Captive screw #6-32, 7/16” 2 inch lbs
4 620-0049-xx Case Machine screw #6-32, 1” 6 inch lbs
2 620-0048-xx Case Machine screw #6-32, ½” 6 inch lbs
4 620-0290-xx Main Board Machine screw #4-40, ¼” 4 inch lbs
1 620-0278-xx Valve bracket Machine screw #4-40, ½” 4 inch lbs
2 620-0290-xx Pump bracket Machine screw #4-40, ¼” 4 inch lbs
4 620-0149-xx Display bracket Thread-forming screw #2-28, ¼” 2 inch lbs
2 620-0408-xx Input flex assy.
bracket
Thread-forming screw #4-24, 3/8” 4 inch lbs
2 630-0260-xx Power/flex conn. Guide pin #4-40, ½” ---
2 620-0418-xx Power/flex conn. Flat washer 0.215 OD ---
2 620-0217-xx Power/flex conn. Kepnut #4-40 Loctite
Cradle
2 620-0423-xx Bed rail hook Shoulder screw M 4x4, hex 12 inch lbs
2 620-0424-xx Bed rail hook Machine screw M 4x5 12 inch lbs
4 620-0188-xx Interconnect Bd. Machine screw #4-20, 3/8” 4 inch lbs
4 620-0188-xx Latch bracket Machine screw #4-20, 3/8” 4 inch lbs
7 620-0415-xx Lower housing Machine screw #6/32, 3/8” 6 inch lbs
3 620-0414-xx Lower housing Washer 0.281” OD ---
1 620-0149-xx I/O panel Thread forming screw #2-28, ¼” 2 inch lbs
1 620-0413-xx I/O panel Nylon washer 0.187” OD ---