Introduction
Thank you for choosing the PROYAMA PWT-22 Walk Behind String Trimmer Mower. This manual provides essential information for the safe and efficient assembly, operation, and maintenance of your new equipment. Please read this manual thoroughly before operating the machine and keep it for future reference.
Important Safety Information
Always follow basic safety precautions to reduce the risk of fire, electric shock, and personal injury. Failure to follow these instructions may result in serious injury or death.
- Read and understand all instructions before operating the trimmer mower.
- Wear appropriate personal protective equipment (PPE), including eye protection, hearing protection, long pants, and sturdy footwear.
- Keep bystanders, especially children and pets, at least 50 feet (15 meters) away from the operating area.
- Never operate the machine under the influence of alcohol or drugs.
- Inspect the work area for objects that could be thrown by the cutting line.
- Do not operate the trimmer mower in wet conditions or on steep slopes.
- Turn off the engine and disconnect the spark plug wire before performing any maintenance or clearing blockages.
- Handle fuel with care; it is highly flammable. Store fuel in an approved container in a well-ventilated area.
Unboxing and Packing List
Carefully unpack all components and ensure all items are present. If any parts are missing or damaged, contact customer service immediately.

Image: Contents of the PROYAMA PWT-22 package, including the trimmer, oil, and trimmer lines.
- 1 x 170CC Gas Walk Behind String Trimmer
- 1 x 450ml Oil
- 1 x Trimmer Line Side Pocket
- 4 x Trimmer Lines
- Instruction Manual
- Assembly Tools (if included)
Video: Unboxing the PROYAMA 170cc Gas Walk Behind String Trimmer, showing all included components and initial setup steps.
Assembly and Setup
Follow these steps to assemble your PROYAMA PWT-22 trimmer mower before first use.
- Handlebar Assembly: Attach the upper handlebar to the lower handlebar using the provided hardware. Ensure all bolts are securely tightened.
- Cable Management: Secure all control cables along the handlebar using the clips or ties provided.
- Oil Fill: Before starting, ensure the engine oil reservoir is filled to the correct level with the supplied 450ml oil. Refer to the engine manual for specific oil type and capacity if not using the provided oil.
- Fuel Fill: Fill the fuel tank with fresh, unleaded gasoline. Do not overfill.
- Trimmer Line Installation: Install the trimmer lines into the cutting head as per the instructions.

Image: Detailed view of the PROYAMA PWT-22, highlighting key components like the Recoil Starter, Control Lever, Engine, Flywheel Screen, Trimmer Shield, and Spindle.
Video: Step-by-step guide on how to assemble and correctly start the PROYAMA Walk Behind String Trimmer.
Foldable Design for Storage
The PROYAMA PWT-22 features a foldable handle for convenient storage. To fold, loosen the quick-release knobs on the handlebar and fold it down. Ensure the machine is cool and fuel tank is not full before folding for storage.

Image: The PROYAMA PWT-22 trimmer mower showcasing its compact design and foldable handle for easy storage.

Image: Dimensions of the PROYAMA PWT-22 when folded, illustrating its space-saving design.
Operating Instructions
Starting the Engine
- Ensure the fuel tank is filled and the oil level is correct.
- Set the choke lever to the "START" or "CHOKE" position.
- Press the primer bulb several times until fuel is visible.
- Pull the recoil starter handle firmly until the engine starts.
- Once the engine starts, gradually move the choke lever to the "RUN" position.
Using the Trimmer Mower
The PROYAMA PWT-22 is designed for efficient trimming of tall grass, weeds, and dense vegetation across various terrains.
- Cutting Path: The 22-inch cutting path allows for efficient coverage of large areas.
- High Wheels: The 14-inch high wheels provide increased ground clearance and improved mobility over uneven ground and rough terrain, ensuring stable maneuvering.
- Adjustable Cutting Height: The cutting height can be adjusted to suit different vegetation types and desired results. Refer to the mechanism near the cutting head for adjustment.

Image: Illustration of the adjustable cutting height feature on the PROYAMA PWT-22, showing various cutting levels from 1.9" to 4.0".
This trimmer mower is suitable for:
- Tall Grass
- Thick Weeds
- Overgrown Grass
- Dense Vegetation

Image: A person operating the PROYAMA PWT-22 trimmer mower in an area with tall grass and weeds, demonstrating its capability.
It performs effectively in various outdoor environments:
- Large Lawns
- Backyards
- Farms
- Orchards

Image: The PROYAMA PWT-22 trimmer mower shown in different settings, including large lawns, backyards, farms, and orchards, highlighting its versatility.
Video: Outdoor test of the PROYAMA 170cc Gas Walk Behind String Trimmer, demonstrating its cutting performance on various types of vegetation.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your trimmer mower. Always turn off the engine and disconnect the spark plug wire before performing any maintenance.
- Engine Oil: Check the engine oil level before each use. Change the oil after the first 5 hours of operation, then every 25 hours or annually, whichever comes first.
- Air Filter: Clean the air filter every 10-20 hours of operation, or more frequently in dusty conditions. Replace if damaged.
- Spark Plug: Inspect the spark plug annually or every 50 hours. Clean or replace as needed.
- Trimmer Line: Replace worn or broken trimmer lines promptly. Use only recommended line types and sizes.
- General Cleaning: Keep the machine clean from grass clippings and debris. Ensure cooling fins are clear for proper engine cooling.
- Storage: For long-term storage, drain the fuel tank or use a fuel stabilizer. Clean the machine thoroughly and store in a dry, protected area.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine does not start | No fuel, old fuel, spark plug issue, choke setting incorrect | Check fuel level, use fresh fuel, inspect/clean/replace spark plug, adjust choke |
| Engine runs poorly | Dirty air filter, old fuel, spark plug issue | Clean/replace air filter, use fresh fuel, inspect/clean/replace spark plug |
| Trimmer line not cutting effectively | Worn or incorrect trimmer line, debris in cutting head | Replace trimmer line, clear debris from cutting head |
| Excessive vibration | Loose components, damaged cutting head or line | Check all fasteners, inspect cutting head and line for damage |
If you encounter issues not listed here or require further assistance, please contact PROYAMA customer service.
Specifications
| Feature | Detail |
|---|---|
| Brand | PROYAMA |
| Model Number | PWT-22 |
| Engine Displacement | 170CC |
| Engine Power | 5HP (3.5kW) |
| Power Source | Gas Powered |
| Cutting Width | 22 inches |
| Wheel Diameter | 14 inches (Rear) |
| Item Weight | 59 pounds |
| Design Feature | Foldable Handle |
| UPC | 762221038438 |

Image: Key specifications of the PROYAMA PWT-22, including its 170CC engine, 14-inch rear wheels, and 22-inch cutting path.
Warranty and Customer Support
PROYAMA offers a 1-Year Replacement Warranty for this product. For any inquiries, technical assistance, or warranty claims, please contact PROYAMA Customer Service. Our support team is available 24/7 to assist you.
Please refer to your purchase documentation for specific contact details or visit the official PROYAMA website.

Image: PROYAMA Customer Service information, highlighting 1-Year Replacement and 24/7 Support.