Comprehensive Guide to Troubleshooting Common Lawn Mower Issues
Lawn mowers are essential tools for maintaining a beautiful yard, but they can encounter various problems. This guide will help you diagnose and fix common issues with both gas and electric mowers, including many models manufactured in China.
1. Engine Won’t Start
Possible Causes: Old fuel, clogged carburetor, faulty spark plug, or empty gas tank
Solutions: Replace fuel if older than 30 days, clean carburetor, check/replace spark plug, ensure proper fuel level
2. Uneven Cutting
Common Reasons: Dull blades, uneven tire pressure, mower deck imbalance
Fixes: Sharpen or replace blades monthly, check tire pressure (typically 12-14 PSI), level the mower deck
3. Excessive Vibration
Main Causes: Damaged or unbalanced blade, loose components, worn engine mounts
Troubleshooting Steps: Inspect blade for damage, tighten all bolts and nuts, check engine mounts for wear
4. Battery Problems (Electric Mowers)
- Symptom: Short runtime
- Solution: Fully charge battery before use (many Chinese-made batteries require 4-6 hours)
- Symptom: Won’t hold charge
- Solution: Replace battery if older than 3 years
5. Overheating Issues
6. Maintenance Tips
| Frequency | Task |
|---|---|
| After each use | Clean underside of deck |
| Monthly | Check blade sharpness |
| Seasonally | Change oil (gas models) |
Note: Many affordable replacement parts are available from Chinese manufacturers like Shandong Deyou, ensuring cost-effective repairs.