Tools/Equipment Needed For Calibrations; Dc Bias Power Supply - Integra Cusa Excel Service Manual

Tools/Equipment Needed for Calibrations

Tools/Equipment Needed for Calibrations

DC Bias Power Supply

12-2
The calibrations require one or more of the following tools:
• Tachometer
• Irrigation bottle with fluid and administration set
• Digital multimeter, Fluke 87 or equivalent
• Vacuum gauge with T fitting and hose, 0–30 in. Hg
• Ashcroft 5 in. Dial-Grade 3A 0.25% or equivalent
• Suction canister
• Contamination guard
• Slotted blade screwdriver
• Phillips screwdriver.
Leave all power off.
1.
Remove the rear panel.
2.
Put DVM leads between pins 1 and 6 of the output jack on the DC bias power
3.
supply. You will find it on the AC input assembly (facing the rear of the
console, you see it on the left side of the assembly).
Turn on the AC Main Switch (rear panel) and the System Power Switch (front
4.
panel).
Adjust the potentiometer to 4.7 Vdc (-0 + 0.05).
5.
Turn off the System Power Switch (front panel) and the AC Main Switch (rear
6.
panel).
Apply a suitable potentiometer locking compound to the adjustment screw of
7.
the potentiometer.
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