Airless/Air-Assisted Sprayer Instruction Manual
Table Of Contents
- Warning
- Component Identification
- Component Identification
- Installation
- Pressure Relief Procedure
- General Repair Information
- Troubleshooting
- Displacement Pump Replacement
- Drive Housing Replacement
- Spin Test
- Fan Replacement
- Motor Brush Replacement
- Motor Brush Replacement
- Control Board Replacement
- On/Off Switch Replacement
- Fuse Replacement
- Removing and Installing Air Filter
- Compressor Replacement and Repair
- Pressure Control Replacement: FinishPro 390
- Drain Valve Replacement
- Drain Line Removal/Replacement
- Motor Replacement
- Motor Replacement
- Wiring Diagram
- Technical Data
- Warranty

On/Off Switch Replacement
24 311911C
FinishPro 390
Removal
1. Relieve pressure, page 7.
2. Remove four screws (12) and switch box cover (50).
Note: Tag wires before removing to ensure wires are
identifiable when assembling.
3. Disconnect three wires (A) from ON/OFF switch (58).
4. Remove toggle boot/nut (30). Remove ON/OFF
switch (58).
Installation
1. Install new ON/OFF switch (58). Install toggle
boot/nut (30).
2. Connect three wires (A) to ON/OFF switch (58).
3. Install switch box cover (50) with four screws (12).
A
58
50
12
30
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