Craftsman LT 1000 Parts Manual

The Craftsman LT 1000 is a popular riding lawn tractor designed for residential use, featuring a powerful engine, durable cutting deck, and reliable transmission system. This parts manual provides detailed diagrams, part numbers, and ordering information for maintenance, repair, and replacement of components. Below are key sections covering identification, engine parts, cutting system, drive train, controls, and troubleshooting.

1. Model Identification & Specifications 2. Engine Assembly & Components 3. Cutting Deck & Blade System 4. Drive Train & Transmission 5. Controls & Electrical System 6. Frame, Body & Wheels 7. Maintenance Schedule 8. Exploded View Diagrams 9. Parts Ordering Information 10. Safety Precautions 11. Troubleshooting & Common Issues

Model Identification & Specifications

Locate your model and serial number on the frame under the seat or on the engine housing to ensure correct parts ordering.

FeatureDescription
Model SeriesLT 1000 (Multiple variants: 917.XXXXXX)
Engine17.5 HP to 19.5 HP Briggs & Stratton or Kohler OHV
Cutting Width42-inch or 46-inch Deck
Transmission6-Speed Manual Gear Drive or Hydrostatic
Fuel Capacity2.5 Gallons
Oil Capacity1.5 Quarts (Engine)
Battery12V, 280 CCA
Tire Size (Front)15 x 6.00-6
Tire Size (Rear)20 x 8.00-8
WeightApprox. 500 lbs

Engine Assembly & Components

Common replacement parts for the engine system.

  1. Air Filter: Part # 492932S - Replace annually or every 25 hours.
  2. Spark Plug: Part # 491058S (Champion RC12YC) - Gap 0.030".
  3. Oil Filter: Part # 492932S (if equipped).
  4. Fuel Filter: Part # 532192597 - Inline type.
  5. Carburetor Kit: Part # 590946 (Briggs & Stratton models).
  6. Starter Motor: Part # 109946 - 12V electric start.
  7. Ignition Coil: Part # 591526 (for single cylinder models).

WARNING! Disconnect spark plug wire before servicing engine. Allow engine to cool completely.

Cutting Deck & Blade System

Parts for the mower deck, blades, and belt drive.

  1. Blade (42" Deck): Part # 532401435 - High-lift, 3-pack.
  2. Blade (46" Deck): Part # 532401436 - Mulching blade option available.
  3. Deck Belt: Part # 144959 (1/2" x 95-1/2") for 42"; Part # 144960 for 46".
  4. Spindle Assembly: Part # 532179756 - Includes bearings and housing.
  5. Deck Idler Pulley: Part # 532140552 - Tensioner assembly.
  6. Deck Wash Port Kit: Part # 532401064 (optional).

CAUTION! Always wear gloves when handling blades. Ensure deck is securely supported during removal.

Drive Train & Transmission

Controls & Electrical System

Key components for operation and electrical functions.

Ignition Switch: Part # 532140558 - 5-position (Off, Run, Start, Lights). Seat Switch: Part # 532179760 - Safety interlock. PTO Clutch: Part # 532401437 - Electric engagement for cutting deck. Headlight Assembly: Part # 532140560 - Includes bulb and housing. Fuse: 20 Amp, Part # 532140562. Wiring Harness: Part # 532179762 - Main harness.

Frame, Body & Wheels

Structural and cosmetic parts.

  1. Seat: Part # 532179764 - High-back with foam cushion.
  2. Front Tire & Wheel Assembly: Part # 532140564 - 15x6.00-6.
  3. Rear Tire & Wheel Assembly: Part # 532140566 - 20x8.00-8.
  4. Hood: Part # 532179766 - Plastic, yellow.
  5. Fender: Part # 532140568 - Left and right available.
  6. Grille: Part # 532179768 - Front protective screen.

Tip: Use jack stands to support frame when removing wheels or deck.

Maintenance Schedule

Recommended service intervals to keep your tractor in optimal condition.

  1. Every 8 Hours: Check tire pressure, inspect blades for damage.
  2. Every 25 Hours: Change engine oil, check air filter, grease fittings (3 points).
  3. Every 50 Hours: Replace fuel filter, inspect spark plug, check battery terminals.
  4. Every 100 Hours: Replace drive belt (inspect for cracks), check transmission fluid (if hydrostatic).
  5. Seasonal: Sharpen/replace blades, clean deck, store with stabilized fuel.

WARNING! Follow torque specifications for all bolts. Over-tightening can cause damage.

Exploded View Diagrams

Refer to diagrams for part location and assembly relationships. Diagrams included for: - Engine Assembly (Fig. 1) - Cutting Deck (Fig. 2) - Drive Train (Fig. 3) - Control Panel (Fig. 4)

Note: Numbers on diagrams correspond to part numbers listed in this manual.

Parts Ordering Information

To order parts, contact an authorized Craftsman dealer or visit the online parts store.

Online: www.searspartsdirect.com Phone: 1-888-331-4569 Required Information: Model Number, Serial Number, Part Number from this manual. Warranty: Most parts have a 90-day limited warranty from purchase date.

Safety Precautions

Always follow safety guidelines when performing maintenance or repairs.

CAUTION! Disconnect battery before electrical work. Use proper lifting equipment for heavy components. Never operate with damaged or missing safety guards. Keep hands and feet away from moving parts.

Troubleshooting & Common Issues

SymptomPossible CauseCorrective Action
Engine won't startDead battery, faulty spark plug, clogged fuel filterCheck battery charge; replace spark plug; install new fuel filter.
Poor cutting performanceDull blades, low deck height, worn beltSharpen or replace blades; adjust deck height; inspect/replace deck belt.
Loss of powerDirty air filter, old fuel, transmission issueClean/replace air filter; drain old fuel; check transmission linkage.
VibrationUnbalanced blade, loose spindle, damaged deckBalance or replace blade; tighten spindle bolts; inspect deck for cracks.
Hydrostatic drive sluggishLow fluid, air in system, worn beltCheck fluid level; bleed system; replace drive belt.

Reset: For electrical issues, disconnect battery for 5 minutes to reset safety switches.

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

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