Craftsman LT1500 Parts Manual

The Craftsman LT1500 is a 15.5 HP, 42-inch deck lawn tractor designed for residential use. This manual provides comprehensive parts identification, diagrams, ordering information, and maintenance guidance for the LT1500 model. Below are key sections covering specifications, engine components, deck assembly, drive system, electrical parts, maintenance schedules, and troubleshooting.

Specifications & Model Identification

Key identifiers: Model number (e.g., 917.xxxxxx), Serial number location (under seat or frame), Engine specifications, and Deck size.

Engine Components

Parts list for the 15.5 HP Briggs & Stratton engine (Model 31P777).

1. Air Filter Assembly: Includes filter element and housing.
2. Spark Plug: Champion RC12YC or equivalent.
3. Oil Filter: Briggs & Stratton 492932S.
4. Fuel Filter: In-line fuel filter.
5. Carburetor Kit: Includes gaskets and adjustment screws.
6. Starter Motor: 12V electric starter.
7. Ignition Coil: Provides spark to the plug.
8. Muffler & Exhaust System: Reduces engine noise.

WARNING! Disconnect spark plug wire before servicing engine components to prevent accidental starting.

Mower Deck Assembly

42-inch stamped steel deck parts and belt routing diagram.

1. Blades: 3 high-lift blades (part # 134149).
2. Spindle Assemblies: Includes bearings and pulleys.
3. Deck Belt: ½" x 95" (part # 144959).
4. Idler Pulleys: Tension the deck belt.
5. Deck Wheels: Anti-scalp wheels (part # 132896).
6. Deck Hanger Kit: For attaching deck to tractor.
7. Baffles & Chutes: Direct grass discharge.

CAUTION! Ensure deck is properly leveled and blades are balanced for even cut and reduced vibration.

Drive System & Transmission

• Transmission: Peerless 6-speed manual.
• Drive Belt: ½" x 78" (part # 144958).
• Clutch Cable: Engages drive system.
• Brake Assembly: Includes brake pads and linkage.
• Axle & Hub Assemblies: For rear wheels.
• Shift Lever & Linkage: For gear selection.
• Pulleys: Drive and idler pulleys.

Electrical System Parts

12V electrical system components and wiring diagram.

Key Parts: Battery (12V, 280 CCA), Starter Solenoid, Ignition Switch, Safety Switches (seat, brake, PTO), Fuses (20A), Wiring Harness, Headlight Assembly, Voltage Regulator, Alternator.

Install: Refer to wiring diagram for proper connections. Ensure all safety switches are functional for safe operation.

Controls & Operator Station

Steering wheel, seat, control levers, and dash panel parts.

1. Turn off engine and remove key before servicing controls.
2. Match replacement parts to original (e.g., seat part # 132167).
3. Adjust control linkages per manual specifications.

Tip: Lubricate control pivot points annually for smooth operation.

Maintenance Parts & Schedule

Recommended maintenance parts and intervals.

1. Engine Oil: SAE 30 (above 32°F) or 5W-30 (below 32°F).
2. Oil Filter: Replace every 50 hours or annually.
3. Air Filter: Clean every 25 hours, replace every 100 hours.
4. Spark Plug: Replace every 100 hours.
5. Fuel Filter: Replace annually.
6. Blades: Sharpen or replace as needed.
7. Belts: Inspect for wear every 50 hours.
8. Battery: Check terminals and charge annually.

WARNING! Use only recommended fluids and parts. Improper maintenance voids warranty.

Assembly Diagrams

Exploded-view diagrams for major assemblies (deck, engine, transmission).

Parts Ordering Information

Use model and serial numbers when ordering parts. Contact authorized Craftsman dealers or visit www.craftsman.com.

CAUTION! Use only genuine Craftsman parts for warranty compliance and optimal performance.

Safety Information

Read operator's manual before use. Wear eye protection. Keep hands and feet away from moving parts. Do not operate on steep slopes. Disconnect spark plug before maintenance.

Troubleshooting & Common Issues

Reset: Check all safety switches are engaged.

Service: 1-888-331-4569; www.craftsman.com