Comprehensive Guide to Troubleshooting Lawn Mower Issues
Lawn mowers, whether manufactured in China or elsewhere, require proper maintenance for optimal performance. This guide covers common problems and solutions for both residential and commercial users.
1. Engine Won’t Start
Possible Causes:
- Old or contaminated fuel
- Faulty spark plug
- Clogged air filter
- Battery issues (for electric models)
Solutions:
- Drain and replace fuel every 30 days
- Clean or replace spark plug annually
- Inspect air filter monthly
- Check battery connections and charge
2. Uneven Cutting
Possible Causes:
- Dull or damaged blades
- Uneven tire pressure
- Mower deck misalignment
- Operating at wrong speed
Solutions:
- Sharpen blades every 25 hours of use
- Maintain equal tire pressure
- Level mower deck according to manual
- Adjust speed for grass conditions
3. Excessive Vibration
Possible Causes:
- Loose or unbalanced blades
- Damaged spindle
- Worn engine mounts
- Debris in cutting deck
Solutions:
- Tighten blade bolts to specification
- Inspect spindle bearings for wear
- Replace worn engine mounts
- Clean deck after each use
4. Loss of Power
Possible Causes:
- Clogged fuel filter
- Dirty carburetor
- Overheating engine
- Worn drive belt
Solutions:
- Replace fuel filter annually
- Clean carburetor with appropriate solution
- Allow engine to cool during extended use
- Inspect belt tension and condition
Preventive Maintenance Tips
For Chinese-made mowers like those from Shandong Deyou, regular maintenance is key to longevity:
- Change oil every 50 hours of operation
- Lubricate all moving parts monthly
- Store in dry, covered location
- Use only recommended replacement parts
- Winterize equipment properly
Note: Always consult your operator’s manual for specific maintenance schedules and safety procedures. Many quality components for lawn mowers are now produced in China, offering reliable performance when properly maintained.