Removing The High Voltage Capacitor Assembly - ZOLL M Series Service Manual

M Series Service Manual
8. Removing the
High Voltage
Capacitor
Assembly
Tools Required
• #2 Phillips screwdriver
• Exacto-Knife

• Mylar tape
Setup
1. Remove the Front Panel Assembly.
2. Remove the Upper Housing Assembly.
3. Remove the System Board.
4. Remove the Battery Interconnect Board.
5. Remove the High Voltage Charger Assembly.
6. Lift the Capacitor Assembly upwards from the
chassis. (The Capacitor Assembly is still
connected to the High Voltage Module
Assembly.)
To reinstall the High Voltage Capacitor Assembly,
reverse the steps.
WARNING! This unit may contain lethal
voltages. You MUST completely discharge the
high voltage capacitor before removing from unit.
DO NOT SHORT THE TERMINAL ENDS OF
THE CAPACITOR
Step 1: Open the High Voltage Capacitor plastic
Mylar tape.
isolator by lifting the
.
Step 3: When the capacitor voltage is at 0 VDC,
disconnect the inductor wires and capacitor terminal
wires.
78
Step 2: Bleed the excess voltage using a resistor with
values of approximately 5 kohms, 25 watts for 10-20
seconds. Measure the voltage on the capacitor
terminals.