Welch Allyn CP 150 Service Manual page 70

66 Disassembly, repair, and reassembly
2. Remove the nut with ¼" Hex Socket to remove the ground harness.
3. Remove the two shoulder screws with a 3/16" Hex Socket.
Note Take note of the shoulder screw direction during the
reassembly process.
CP 150 12-lead resting electrocardiograph