Brand: CRAFTSMAN
Category: Lawn Mower
Document Type: Manual
Language: EN
Available Languages: EN , ES
Brand: CRAFTSMAN
Category: Lawn Mower
Document Type: Manual
Language: EN
Available Languages: EN , ES
Uploaded: Sept. 12, 2025, 4:16 a.m.
Manual Publish Date: 2019-01-03
Contact Sears or qualified dealer for warranty information.
| Problem | Cause | Solution |
|---|---|---|
| Engine will not start. | 1. PTO is engaged. | 1. Disengage PTO. |
| 2. Parking brake is not engaged. | 2. Engage parking brake. | |
| 3. Spark plug wires are disconnected. | 3. Connect spark plug wires. | |
| 4. Throttle/choke lever is not in start position. | 4. Place throttle/choke lever in start position. | |
| 5. Choke is not engaged. | 5. Engage choke. | |
| 6. Fuel tank is empty or fuel is stale. | 6. Fill tank with fresh fuel (less than 30 days old). | |
| 7. Fuel line is clogged. | 7. Replace fuel line and filter. | |
| 8. Spark plugs are defective. | 8. Clean, replace, or adjust spark plugs. | |
| 9. Engine is flooded. | 9. Run engine at full speed. | |
| 10. Fuse is blown. | 10. Replace fuse. | |
| Engine runs rough/intermittently. | 1. Choke is engaged. | 1. Disengage choke. |
| 2. Spark plug wires are loose. | 2. Connect spark plug wires. | |
| 3. Fuel line is clogged or fuel is stale. | 3. Replace fuel line, change fuel filter, and fill with fresh fuel. | |
| 4. Fuel tank vent is clogged. | 4. Clean vent or replace cap. | |
| 5. Water or dirt in fuel system. | 5. Drain fuel system and refill with fresh fuel. | |
| 6. Air filter is dirty. | 6. Clean or replace air filter. | |
| Engine overheats. | 1. Low engine oil level. | 1. Fill crankcase with recommended oil. |
| 2. Restricted airflow. | 2. Clean cooling fins and housing. | |
| Engine backfires at high speed. | 1. Spark plug gap is too small. | 1. Remove and adjust spark plug gap. |
| Engine runs rough at idle. | 1. Spark plug is fouled or defective. Gap is too large. | 1. Replace spark plug and adjust gap. |
| 2. Air filter is dirty. | 2. Clean or replace air filter. | |
| Engine produces excessive vibration. | 1. Blade is loose or unbalanced. | 1. Tighten blade and spindle. |
| 2. Blade is warped or damaged. | 2. Replace blade. | |
| Appliance does not mulch grass. | 1. Engine speed is too low. | 1. Set throttle to FAST. |
| 2. Grass is wet. | 2. Do not mulch wet grass. | |
| 3. Grass is too tall. | 3. Mow taller grass in sections. | |
| 4. Blade is dull. | 4. Sharpen or replace blade. | |
| Tractor mows unevenly. | 1. Mower deck is not level. | 1. Level mower deck. |
| 2. Blade is dull. | 2. Sharpen or replace blade. | |
| 3. Uneven tire pressure. | 3. Check tire pressure. |