1. Fiosrachadh Sàbhailteachd
Please read and understand all safety warnings and instructions before operating the STIER SDR-300 Pressure Washer. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
- Sàbhailteachd dealain: Always connect the pressure washer to a properly grounded outlet. Do not use extension cords unless they are rated for outdoor use and heavy-duty appliances. Keep all electrical connections dry and off the ground.
- Cunnart Bruthadh Àrd: The high-pressure jet can be dangerous if misused. Never direct the water jet at people, pets, or electrical equipment. Always wear appropriate personal protective equipment, including safety glasses, gloves, and hearing protection.
- Solar uisge: Ensure the water supply is clean and free of debris. Do not use the pressure washer with hot water or corrosive liquids.
- Seasmhachd: Cleachd an inneal-nigheadaireachd brùthaidh air uachdar seasmhach, rèidh gus casg a chuir air tuiteam.
- Clann agus Luchd-amhairc: Cùm clann agus luchd-amhairc air falbh bhon raon obrachaidh.
- Cumail suas: Dì-cheangail an solar cumhachd mus dèan thu cumail suas no glanadh sam bith.
2. Toradh thallview
The STIER SDR-300 is a powerful and versatile pressure washer designed for various cleaning tasks around your home and garden. Its robust construction and mobile design ensure efficient and flexible operation.
Prìomh fheartan:
- Powerful 3200 W motor for effective cleaning.
- Operating pressure of 150 bar and a maximum flow rate of 540 l/h.
- Compact and mobile design with all-terrain chassis for easy transport.
- Integrated accessory storage.
- Color-coded quick nozzles for various applications.
- Detergent application system with adjustable flow.
Co-phàirtean air an toirt a-steach:
Tha na stuthan a leanas anns a’ phacaid:
- 1 x STIER SDR-300 Pressure Washer
- 1 x Stainless Steel Spray Gun
- 1 x Pìob Àrd-bhruthadh 5m
- 1 x 5m Steel-Reinforced Hose
- 1 x 5m Connection Cable
- 1 x Botal Siabann
- 1 x Cleaning Stick
- 1 x Inlet Filter
- 4 x Quick Nozzles (color-coded)
- 1 x Sròin Turbo
- 1 x Patio Cleaner Attachment
- 1 x Leabhar-làimhe Stiùiridh

Figure 2.1: STIER SDR-300 Pressure Washer with included accessories.
3. Suidhich
3.1 Seanadh
- Attach the wheels to the base of the unit if not already assembled.
- Secure the handle to the main body of the pressure washer.
- Connect the high-pressure hose to the outlet on the pressure washer and to the spray gun. Ensure connections are tight.
- Insert the desired nozzle into the spray gun.
3.2 Ceangal solair uisge
- Connect a garden hose (not included) to the water inlet on the pressure washer. Ensure the inlet filter is in place.
- Connect the other end of the garden hose to a water tap.
- Turn on the water tap completely to ensure a steady water flow to the pressure washer.

Figear 3.1: Cùl view of the pressure washer with water inlet and high-pressure outlet.
3.3 Ceangal cumhachd
- Uncoil the power cable completely.
- Plug the power cable into a suitable, grounded electrical outlet.
4. Stiùireadh Obrachaidh
4.1 Starting the Unit
- Dèan cinnteach gu bheil a h-uile ceangal (uisge, pìob àrd-bhruthadh, cumhachd) tèarainte.
- Tionndaidh air an solar uisge gu tur.
- Press the ON/I switch on the pressure washer to start the motor.
- Squeeze the trigger on the spray gun to release air from the system and allow water to flow. Hold the trigger until a steady stream of water emerges.

Figure 4.1: Power switch (ON/I) and pressure control on the unit.
4.2 A’ cleachdadh diofar shròinean
The STIER SDR-300 comes with color-coded quick nozzles for various cleaning tasks:
- Red (0° Nozzle): Extra strong, pinpoint pressure water jet for stubborn dirt. Use with caution.
- Yellow (15° Nozzle - implied by 25° and 40°): For intensive cleaning.
- Green (25° Nozzle): For intensive cleaning.
- White (40° Nozzle): Medium pressure for larger surfaces.
- Black (Chemical Nozzle): Lower pressure for sensitive surfaces and detergent application.

Figure 4.2: Color-coded quick nozzles for various applications.
4.3 Cleachdadh inneal-glanaidh
- Fill the soap bottle with appropriate pressure washer detergent.
- Attach the soap bottle to the designated inlet on the pressure washer.
- Use the black chemical nozzle for detergent application.
- Adjust the detergent flow directly on the pressure washer if available.

Figear 4.3: Taobh view showing the detergent tank connection.
4.4 A’ dùnadh sìos
- Turn off the pressure washer by pressing the OFF/0 switch.
- Cuir dheth an solar uisge aig an tap.
- Brùth air inneal-brosnachaidh a’ ghunna spraeraidh gus cuideam sam bith a tha air fhàgail san t-siostam a leigeil ma sgaoil.
- Dì-cheangail an càball cumhachd bhon t-socaid.
- Disconnect hose a ’ghàrraidh agus hose bruthadh àrd.
5. Cumail suas
Bidh cumail suas cunbhalach a’ dèanamh cinnteach gum mair an inneal-nigheadaireachd brùthaidh agad fad-beatha agus gum bi e ag obair gu math.
5.1 Cleaning the Inlet Filter
Periodically check and clean the inlet filter to prevent debris from entering the pump. Remove the filter, rinse it under running water, and reinsert it.
5.2 Drèanadh agus Stòradh
Before storing the pressure washer, especially in freezing temperatures, ensure all water is drained from the pump and hoses to prevent damage.
- Cuir às do na pìoban gu lèir.
- Run the motor for a few seconds with no water supply to expel any remaining water.
- Store the unit in a dry, frost-free location.
5.3 Cùram Pìoba is Goireasan
Inspect hoses and nozzles regularly for wear or damage. Replace any damaged parts immediately. Clean nozzles with the provided cleaning stick if they become clogged.
6. A ’dèanamh trioblaid
If you encounter issues with your STIER SDR-300 Pressure Washer, refer to the following common problems and solutions:
| Trioblaid | Adhbhar a dh’fhaodadh a bhith ann | Fuasgladh |
|---|---|---|
| Chan eil motair a’ tòiseachadh | Gun sholar cumhachd; briseadair cuairteachaidh air a thilgeil; suidse lochtach | Check power connection; reset circuit breaker; contact service |
| Gun cuideam no cuideam ìosal | Insufficient water supply; clogged inlet filter; air in pump; worn nozzle | Ensure full water supply; clean inlet filter; bleed air from system; replace nozzle |
| Bidh uisge ag aoidion | Loose connections; damaged O-rings or seals; cracked hose | Tighten connections; replace O-rings/seals; replace hose |
| Glanadair nach eil a 'toirt seachad | Detergent tank empty; wrong nozzle selected; clogged detergent line | Refill tank; use black chemical nozzle; clean detergent line |
7. Sònrachaidhean
Technical specifications for the STIER SDR-300 Pressure Washer:
| Feart | Sònrachadh |
|---|---|
| Brand | STAIR |
| Modail Àireamh | SDR-300 (72622601) |
| Stòr cumhachd | Electric Corded |
| Cumhachd motair | 3200 W |
| Brùthadh as àirde | 225 bar (Max. allowable overpressure) / 150 bar (Operating pressure) |
| Ìre sruth as àirde | 540 liotair san uair |
| Fad Hose | 5 Meatair |
| Max. Teòthachd uisge | 50°C |
| Dath | Uaine |
8. Barantas agus Taic
For detailed warranty information, please refer to the warranty card included with your product or visit the official STIER website. If you require technical support or have questions not covered in this manual, please contact your retailer or the STIER customer service department.