| Step | | Procedure & Parts & Tools |
| 1 |
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REMOVE THE 14 SCREWS HOLDING THE BACK OF THE HANDLE.
| Screwdriver-phillips |
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| 2 |
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LIFT UP ON THE BACK OF THE HANDLE TO SEPARATE IT FROM THE FRONT OF THE HANDLE.
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| 3 |
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CHECK THE OUTPUT FOR THE BRUSH MOTOR. TURN THE MACHINE ON AND POWER THE BRUSH. LOCATE THE RED WIRE AND THE THICK BLACK WIRE. THE RED WIRE IS MARKED BM. TOUCH THE VOLT METER PROBES TO THE BOARD AT THESE WIRES. RED TO RED AND BLACK TO BLACK. TURN THE VOLT METER ON AND SET IT TO VOLTAGE. IF THE VOLT METER READS 24 VOLTS, THE OUTPUT IS GOOD.
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| 4 |
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CHECK THE OUTPUT FOR THE VAC MOTOR. TURN THE MACHINE ON AND POWER THE VAC MOTOR. THE THICK BLACK WIRE AND THE RED WIRE ARE THE VAC MOTOR WIRES. THE RED WIRE IS MARKED VM. TOUCH THE VOLT METER PROBES TO THE BOARD AT THESE WIRES. RED TO RED AND BLACK TO BLACK. TURN THE VOLT METER ON AND SET IT TO VOLTAGE. IF THE VOLT METER READS 24 VOLTS, THE OUTPUT IS GOOD.
| Volt meter (True RMS capable) |
&Width=100)
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| 5 |
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CHECK THE OUTPUT FOR THE PUMP. TURN THE MACHINE ON AND POWER THE PUMP ON. TOUCH THE VOLT METER PROBES TO THE BOARD AT THE RED PUMP WIRE AND THE THICK BLACK WIRE. THE RED WIRE IS MARKED P. TURN THE VOLT METER ON AND SET IT TO VOLTAGE. IF THE VOLT METER READS 24 VOLTS, THE OUTPUT IS GOOD.
| Volt meter (True RMS capable) |
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| 6 |
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IF THE POWER OUTPUTS ARE OKAY, REVERSE STEPS 1 AND 2 TO REASSEMBLE THE MACHINE.
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