MD155DX - Pest control Maruyama - Free user manual and instructions
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| Product Type | Backpack Sprayer |
| Brand | Maruyama |
| Model | MD155DX |
| Category | Pest Control |
| Tank Capacity | 5 gallons (19 liters) |
| Power Source | Gasoline engine |
| Engine Displacement | 30.5 cc |
| Maximum Flow Rate | 5.3 gal/min (20 L/min) |
| Maximum Pressure | 500 psi (34.5 bar) |
| Spray Range | Up to 30 ft (9 m) vertically |
| Dimensions (L x W x H) | 20 x 16 x 26 in (51 x 41 x 66 cm) |
| Weight (empty) | 26.5 lbs (12 kg) |
| Nozzle Type | Adjustable brass nozzle |
| Hose Length | 50 ft (15.2 m) |
| Fuel Tank Capacity | 0.8 gal (3 L) |
| Mixing Ratio (Fuel:Oil) | 50:1 |
| Maintenance | Clean filter after each use; check spark plug; lubricate moving parts |
| Safety Features | Pressure relief valve, trigger lock, anti-slip shoulder straps |
| Included Accessories | Shoulder harness, spare nozzle, tool kit |
| Warranty | 2 years limited |
Frequently Asked Questions - MD155DX Maruyama
How do I start the MD155DX sprayer?
Ensure the fuel tank is filled with a 50:1 gas-oil mixture. Turn the fuel valve to ON, set the choke to CLOSED, prime the bulb 3-4 times, then pull the starter cord briskly. Once the engine starts, open the choke gradually.
What type of fuel should I use?
Use unleaded gasoline with an octane rating of 89 or higher mixed with a high-quality 2-cycle oil at a 50:1 ratio. Do not use E85 or ethanol blends above 10%.
How do I clean the sprayer after use?
After each use, flush the tank and spray lines with clean water. Remove and clean the filter. Wipe the exterior and store in a dry place. Periodically run a cleaning solution through the system.
What is the maximum spray pressure?
The MD155DX can achieve a maximum pressure of 500 psi (34.5 bar). Adjust the pressure by turning the regulator knob. Do not exceed the rated pressure.
How do I troubleshoot low spray output?
Check for clogged nozzles, dirty filter, or kinked hose. Ensure the tank is not empty. Verify that the engine is running at full throttle. Clean or replace the nozzle and filter as needed.
Can I use this sprayer for herbicides?
Yes, the Maruyama MD155DX is suitable for herbicides, pesticides, and fungicides. Ensure you thoroughly clean the system after each use to prevent chemical buildup.
What safety precautions should I take?
Always wear protective clothing, gloves, goggles, and a respirator. Never spray near open flames. Keep children and pets away. Release pressure before disassembling. Follow all chemical label instructions.
How do I winterize the sprayer?
Run the engine until the fuel tank is empty to prevent stale fuel. Flush the system with RV antifreeze. Remove the battery (if applicable) and store in a cool, dry place. Lubricate all moving parts.
What is the tank capacity?
The MD155DX features a 5-gallon (19-liter) tank. Do not overfill. Always mix chemicals in the tank according to the recommended dilution rates.
Where can I find replacement parts?
Authorized Maruyama dealers and online retailers carry parts such as nozzles, filters, and gaskets. Use only genuine Maruyama parts for optimal performance and safety. Refer to the manual for part numbers.
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USER MANUAL MD155DX Maruyama
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Product information
Brand : Maruyama
Model : MD155DX
Category : Pest control