Uni Pro 8019
Uni Pro Yellow Vinyl Seat Instruction Manual
Model: 8019
Introduction
This manual provides essential information for the installation, operation, and maintenance of your Uni Pro 8019 Yellow Vinyl Seat. This seat is designed as a high-quality replacement for John Deere 5105 and 5205 tractor models where a bucket seat was originally installed. Please read this manual thoroughly before installation and use to ensure proper function and longevity of the product.
Safety Information
Always prioritize safety during installation and operation. Failure to follow these instructions may result in injury or damage to equipment.
- Ensure the tractor is turned off, the engine is cool, and the parking brake is engaged before beginning any installation or maintenance.
- Wear appropriate personal protective equipment (PPE), such as gloves and eye protection, during installation.
- Verify all bolts and fasteners are securely tightened after installation.
- Do not modify the seat or its mounting hardware. Use only original or approved replacement parts.
- Ensure the operator presence switch functions correctly after installation.
Package Contents
Verify that all components are present before beginning installation:
- 1 x Uni Pro 8019 Yellow Vinyl Seat Assembly
- (Mounting hardware and operator presence switch are not included and may need to be purchased separately.)
Setup and Installation
This section outlines the steps for installing your new Uni Pro 8019 seat. This seat is designed for a vehicle-specific fit on John Deere 5105 and 5205 tractor models.
Tools Required:
- Wrench set (for 8mm metric bolts)
- Screwdriver (if needed for operator presence switch)
Installation Steps:
- Prepare the Tractor: Ensure the tractor is safely parked, turned off, and the engine is cool. Disconnect the battery if necessary to prevent accidental starting.
- Remove Old Seat: Carefully unbolt and remove the existing seat assembly from the tractor. Note the location and type of any wiring, especially for the operator presence switch.
- Inspect Mounting Area: Clean the mounting surface on the tractor frame. Ensure there are no obstructions or debris.
- Operator Presence Switch: This seat requires a flange-style Delta operator presence switch. If your existing switch is not compatible or is damaged, you will need to purchase and install a new one. Connect the operator presence switch to the designated area on the underside of the new seat.

Figure 1: Underside of the seat with mounting points and operator presence switch area.
- Align and Mount the Seat: Carefully position the new Uni Pro 8019 seat onto the tractor's mounting frame. The seat uses metric 8mm bolts.
- The seat features a 3-inch side-to-side backrest bolt pattern.
- The seat bottom has a 7.5-inch side-to-side bolt pattern.

Figure 2: Bottom view technical drawing with 7.5-inch seat bottom bolt pattern.

Figure 3: Uni Pro 8019 Yellow Vinyl Seat, front-left view.
- Secure the Seat: Insert the 8mm metric bolts through the seat's mounting holes and into the tractor's frame. Tighten all bolts securely, but do not overtighten.
- Test Operator Presence Switch: Reconnect the battery if it was disconnected. Test the operator presence switch to ensure it functions correctly and the tractor will not operate without an operator in the seat.
Operation
The Uni Pro 8019 seat is designed for comfort and durability during tractor operation. Once installed, no specific operational adjustments are typically required beyond ensuring proper seating posture.
- The ergonomic foam cushion provides operator comfort.
- The durable yellow vinyl covering is designed for long-term use in agricultural environments.
Maintenance
Regular maintenance will extend the life and appearance of your Uni Pro seat.
- Cleaning: Clean the vinyl surface with a mild soap and water solution. Avoid harsh chemicals or abrasive cleaners, which can damage the vinyl. Wipe dry with a clean cloth.
- Drain Hole: The central drain hole prevents water build-up. Ensure it remains clear of debris to allow for proper drainage.
- Inspection: Periodically inspect the seat for any signs of wear, tear, or damage to the vinyl or the blow-molded plastic frame. Check that all mounting bolts remain tight.
- Storage: If the tractor is stored outdoors, consider covering the seat to protect it from prolonged exposure to direct sunlight and harsh weather conditions.
Troubleshooting
This section addresses common issues you might encounter with your Uni Pro seat.
| Problem | Possible Cause | Solution |
|---|---|---|
| Seat feels loose after installation. | Mounting bolts are not sufficiently tightened. | Retighten all 8mm metric mounting bolts. Do not overtighten. |
| Tractor will not start or operate after seat installation. | Operator presence switch is not correctly installed or is faulty. | Ensure the flange-style Delta operator presence switch is properly connected and functioning. Replace if necessary. |
| Water pooling on seat surface. | Central drain hole is obstructed. | Clear any debris from the central drain hole. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 8019 |
| Replaces OEM Part Number | #RE72933 |
| Material | Durable Yellow Vinyl covering, Blow molded plastic frame |
| Color | Yellow |
| Backrest Bolt Pattern (side-to-side) | 3 inches |
| Seat Bottom Bolt Pattern (side-to-side) | 7.5 inches |
| Required Bolts | Metric 8mm |
| Operator Presence Switch | Requires flange style Delta switch (not included) |
| Weight | Approximately 15 pounds |
| Country of Origin | USA |

Figure 4: Side view technical drawing with overall dimensions.

Figure 5: Top view technical drawing with overall dimensions.
Warranty and Support
For warranty information or technical support regarding your Uni Pro 8019 Yellow Vinyl Seat, please contact the manufacturer or your point of purchase. Keep your purchase receipt as proof of purchase.
Manufacturer: Milsco
Brand: Uni Pro
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