1. Product Overview
The Generac 3100 PSI pressure washer is designed for residential cleaning tasks, offering electric start capabilities for simplified operation. It features a lithium-ion battery for reliable starting, an easy-to-access detergent tank, and a horizontal axial cam pump with accessible connections for straightforward assembly and effective cleaning.

Figure 1: Front view of the Generac 3100 PSI Electric Start Residential Pressure Washer Kit.
2. Key Features
- Electric Start: One-touch push start provides reliable, hassle-free startups.
- Powerful Generac OHV Engine: Horizontal design delivers up to 4x longer engine life and 3x longer run time compared to vertical shaft engines.
- Lithium-ion Battery: Includes battery and charger, providing up to 50 starts per charge.
- PowerDial Gun: Allows easy pressure adjustment between four different tasks (car, wood, concrete, soap) at your fingertips.
- Fuel Powered: Operates on standard fuel.

Figure 2: The powerful Generac OHV engine with electric start for simplified operation.
3. Setup
- Unpacking: Carefully remove all components from the packaging.
- Assembly: Attach the handle, wheels, and accessory holders as per the included quick-start guide. The horizontal axial cam pump features easy-access connections for trouble-free assembly.
- Add Engine Oil: Fill the engine with the recommended oil type and quantity (refer to the engine manual for details).
- Add Fuel: Fill the fuel tank with fresh, unleaded gasoline.
- Install Battery: Insert the lithium-ion battery into its designated compartment for the electric start function. Ensure it is charged.
- Connect Water Supply: Attach a garden hose to the water inlet connection on the pump. Ensure the connection is secure to prevent leaks.
- Connect High-Pressure Hose: Connect one end of the 25 FT UberFlex Hose to the pump's high-pressure outlet and the other end to the PowerDial gun.

Figure 3: The horizontal axial cam pump, designed for easy hose connections.
4. Operating Instructions
- Prepare for Start: Ensure the water supply is turned on and all hose connections are tight.
- Start the Engine: Engage the choke (if necessary, refer to engine manual). Press the electric start button. The lithium-ion battery provides reliable ignition.
- Select Nozzle: Choose one of the four included nozzles (0°, 25°, 40°, and soap) based on your cleaning task. The PowerDial gun allows for quick changes.
- Adjust Pressure (PowerDial Gun): Rotate the PowerDial on the gun to select the appropriate pressure setting for your task (e.g., car, wood, concrete, soap).
- Apply Detergent (Optional): If using detergent, fill the easy-to-access detergent tank or attach the Soap Blaster Attachment. Ensure the soap nozzle is selected on the PowerDial gun.
- Begin Cleaning: Squeeze the trigger on the PowerDial gun to start the water flow. Maintain a safe distance from the surface being cleaned.
- Shut Down: Release the trigger, turn off the engine, and then turn off the water supply. Squeeze the trigger again to release any remaining pressure.

Figure 4: Quick-change nozzle tips and the PowerDial gun for versatile cleaning.
5. Maintenance
- Engine Oil: Check engine oil level before each use and change annually or every 50 hours of operation.
- Air Filter: Inspect and clean the air filter regularly. Replace if damaged.
- Spark Plug: Inspect and clean the spark plug annually. Replace if worn.
- Fuel System: Use fresh fuel and a fuel stabilizer if storing for extended periods.
- Pump Care: Flush the pump with a pump protector solution before long-term storage to prevent freezing and corrosion.
- Nozzles: Clean nozzles regularly to prevent blockages and maintain spray patterns.
- Battery: Keep the lithium-ion battery charged, especially during storage, to prolong its lifespan.
6. Troubleshooting
- Engine Not Starting: Check fuel level, engine oil, spark plug, and ensure the battery for electric start is charged. Verify the choke is set correctly.
- Low Pressure: Ensure the water supply is fully open and the garden hose is not kinked. Check for clogged nozzles or air in the pump.
- Pulsating Pressure: This can indicate air in the pump, a restricted water inlet, or a clogged nozzle.
- Water Leaks: Check all hose connections for tightness. Inspect O-rings and seals for wear or damage.
- Engine Stops During Operation: Check fuel level, engine oil, and ensure the air filter is clean.
7. Specifications
| Specification | Value |
|---|---|
| Brand | Generac |
| Model Number | 8895 |
| Manufacturer Part Number | G0088951 |
| Maximum Pressure | 3100 Pound per Square Inch |
| Maximum Flow Rate | 2.5 Gallons Per Minute |
| Power Source | Fuel Powered |
| Engine Type | Generac OHV (Horizontal) |
| Start Type | Electric Start (Lithium-ion battery included) |
| Hose Length | 25 Feet (UberFlex Hose) |
| Included Components | (4) Nozzles, Power Broom Attachment, Soap Blaster Attachment |
| Product Dimensions (L x W x H) | 62L x 48.3W x 90.2H Centimetres |
| Item Weight | 0.01 Ounces (Note: This weight seems incorrect, refer to product packaging for accurate weight) |
| Tank Volume | 2.5 Gallons |

Figure 5: Product dimensions for the Generac 3100 PSI Pressure Washer.
8. Warranty and Support
- Manufacturer Warranty: This product comes with a 3-year limited warranty. Please retain your proof of purchase for warranty claims.
- Manufacturer Contact Information: WAUKESHA, WI, 53189 US. For further assistance, please refer to the contact details provided in your product packaging or visit the official Generac website.
9. Important Safety Information
Always read and understand the complete safety instructions provided in the full product manual before operating the pressure washer. Wear appropriate personal protective equipment (PPE) including eye protection and hearing protection. Never point the spray gun at people or animals. Keep children and pets away from the operating area. Ensure proper ventilation when operating the engine.







