Brand: CRAFTSMAN
Category: Lawn Mower
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for T100 SERIES
Uploaded: Nov. 21, 2025, 6:29 p.m.
Manual Publish Date: 2018-11-27
Warranty Information
No warranty information found in the extracted text.
Throttle/Choke Control Lever: Located on the left dash, controls engine speed and choke. Push forward for choke to aid starting. Always use FAST position when cutting deck is engaged.
Speed Control Lever (Hydrostatic Models): On left rear fender. Move to desired 'F' (forward) or 'R' (reverse) for speed. Move to 'N' (neutral) to stop. Use 'Cutting Speed' for best mowing results.
Drive Pedal: On right side. Depress forward for forward travel, move shift lever to 'F'. For reverse, move shift lever to 'R', then depress pedal. Return pedal to original position when not depressed.
Parking Brake: Set by depressing pedal and moving lever to ON. Release by depressing pedal and moving lever to OFF. Always engage when leaving operator's seat.
Clutch-Brake Pedal: Depress partially for slowing, fully for complete stop. Must be depressed to start engine.
Shift Lever (CVT/Foot Control CVT): FORWARD (F), NEUTRAL (N), REVERSE (R). Must be in NEUTRAL to start engine. Do not change direction while in motion.
Ignition Switch: START (engine start), NORMAL MOWING MODE (engine running), STOP (engine off).
PTO Lever: Engages/disengages cutting deck/attachments. Must be OFF to start engine.
Deck Lift Lever: Adjusts cutting height. Move left to adjust.
Mowing: Keep bystanders 75 ft away. Plan mowing pattern. Mow at full throttle. Do not mow tall grass or brush. Keep blades sharp.
Troubleshooting and error codes
| Problem | Cause | Remedy |
|---|---|---|
| Engine fails to start | 1. PTO/Blade Engage lever engaged. | 1. Place lever in disengaged (OFF) position. |
| 2. Parking brake not engaged. | 2. Engage parking brake. | |
| 3. Spark plug wire(s) disconnected. | 3. Connect wire(s) to spark plug(s). | |
| 4. Throttle/Choke control lever not in correct starting position. | 4. Place Throttle/Choke lever into the FAST position. | |
| 5. Choke not activated | 5. Move the Throttle/Choke lever into the Choke position. | |
| 6. Fuel tank empty, or stale fuel. | 6. Fill tank with clean, fresh (less than 30 days old) gas. | |
| 7. Blocked fuel line. | 7. Replace the fuel line and replace fuel filter. | |
| 8. Faulty spark plug(s). | 8. Clean, adjust gap or replace plug(s). | |
| 9. Engine flooded. | 9. Crank engine with throttle in FAST position. | |
| 10. Blown Fuse(s) | 10. Replace Fuse(s) See “Fuse” in Service and Maintenance section. | |
| Engine runs erratically | 1. Unit running with CHOKE activated. | 1. Deactivate the CHOKE. |
| 2. Spark plug wire(s) loose. | 2. Connect spark plug wire(s). | |
| 3. Blocked fuel line or stale fuel. | 3. Replace the fuel line; fill tank with clean, fresh gasoline and replace fuel filter. | |
| 4. Vent in gas cap plugged. | 4. Clear vent or replace cap if damaged. | |
| 5. Water or dirt in fuel system. | 5. Drain fuel tank. Refill with clean, fresh gasoline. | |
| 6. Dirty air cleaner. | 6. Replace air cleaner paper element or clean foam pre-cleaner, if equipped. | |
| Engine overheats | 1. Engine oil level low. | 1. Fill crankcase with proper amount and weight of oil. |
| 2. Air flow restricted. | 2. Clean grass clippings and debris from around the engine's cooling fins and housing. | |
| Engine hesitates at high RPM | 1. Spark plug gap too close. | 1. Remove spark plug and reset the gap. |
| Engine idles rough | 1. Spark plug fouled, faulty or gap too wide. | 1. Replace spark plug. Set plug gap. |
| 2. Dirty air cleaner. | 2. Replace air cleaner element and/or clean pre-cleaner. | |
| Excessive vibration | 1. Cutting blade loose or unbalanced. | 1. Tighten blade and spindle. |
| 2. Damaged or bent cutting blade. | 2. Replace blade. | |
| Mower will not mulch grass | 1. Engine speed too low. | 1. Place throttle in FAST (rabbit) position. |
| 2. Wet grass. | 2. Do not mulch when grass is wet. | |
| 3. Excessively high grass. | 3. Mow once at a high cutting height, then mow again at desired height or make a narrower cutting swath. | |
| 4. Dull blade. | 4. Sharpen or replace blade. | |
| Uneven cut | 1. Deck not leveled properly. | 1. Perform side-to-side deck adjustment. |
| 2. Dull blade. | 2. Sharpen or replace blade. | |
| 3. Uneven tire pressure. | 3. Check tire pressure in all four tires. |