Craftsman LT1000 Parts Manual

The Craftsman LT1000 is a popular riding lawn tractor known for its reliability and ease of maintenance. This parts manual provides detailed information on components, part numbers, assembly diagrams, and replacement procedures for the LT1000 series. Below are key sections covering identification, engine parts, drive system, cutting deck, electrical system, maintenance, and ordering information.

1. Model Identification & Specifications 2. Engine Components 3. Drive Train & Transmission 4. Cutting Deck & Blade Assembly 5. Electrical System 6. Controls & Operator Station 7. Fuel & Lubrication System 8. Tires & Wheels 9. Maintenance Schedule 10. Parts Ordering & Warranty 11. Troubleshooting & Diagrams

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 SeriesCraftsman LT1000 (multiple variants: 917.xxxxxx)
EngineBriggs & Stratton or Kohler, 17.5-19.5 HP, OHV
TransmissionAutomatic (Tuff Torq K46) or Manual
Cutting Width42-inch or 46-inch deck
Fuel Capacity2-3 gallons (gasoline)
WeightApprox. 500 lbs
Seat TypeHigh-back, adjustable
Battery12V, 280 CCA
Blade EngagementManual PTO lever or electric clutch
Tire SizeFront: 15x6.00-6, Rear: 20x10.00-8

Engine Components

Common replacement parts for Briggs & Stratton and Kohler engines used in the LT1000.

  1. Air Filter: Part # 492932S (paper) or 492932S (foam).
  2. Spark Plug: Champion RC12YC or equivalent.
  3. Oil Filter: Briggs & Stratton 492932S or Fram PH4967.
  4. Fuel Filter: In-line, Part # 532139756.
  5. Carburetor Kit: Includes gaskets and jets for rebuild.
  6. Starter Motor: 12V electric starter, Part # 532192310.

WARNING! Disconnect spark plug wire before servicing engine. Use correct oil type (SAE 30 or 10W-30).

Drive Train & Transmission

The LT1000 typically uses a Tuff Torq K46 hydrostatic transmission. Key parts include:

  1. Drive Belt: Part # 144959 (1/2" x 92-1/2").
  2. Transaxle Fluid: 20W-50 motor oil or Tuff Torq oil.
  3. Pulley Set: Idler, engine, and transaxle pulleys.
  4. Shift Linkage: Rods and bushings for gear selection.
  5. Axle Seals: Prevent fluid leaks from transaxle.

CAUTION! Transmission service requires lifting tractor securely. Do not overfill fluid.

Cutting Deck & Blade Assembly

Electrical System

12V system with key ignition, safety interlock switches, and lighting (if equipped).

Key Components: Battery, starter solenoid, ignition switch, safety switches (seat, brake, PTO), wiring harness, fuses (20A).

Part Numbers: Battery (U1-300), Solenoid (532192312), Ignition Switch (532192313), Seat Switch (532192314).

Testing: Use multimeter to check continuity on switches. Ensure all safety switches are engaged for starting.

Controls & Operator Station

Steering wheel, seat, pedals, and control levers.

  1. Steering Wheel: 13-inch diameter, Part # 532192315.
  2. Seat: High-back with springs, Part # 532192316.
  3. Brake Pedal: Return spring and linkage.
  4. Throttle/Choke Control: Cable and lever assembly.
  5. PTO Lever: Manual engagement rod or electric switch.

Tip: Lubricate control linkages annually with white lithium grease.

Fuel & Lubrication System

Gasoline tank, fuel lines, oil fill, and filters.

  1. Fuel Tank: 2-3 gallon plastic, Part # 532192317.
  2. Fuel Cap: Ventilated, Part # 532192318.
  3. Fuel Pump: Mechanical (engine-driven) on some models.
  4. Oil Drain Plug: Magnetic, Part # 532192319.
  5. Dipstick: Integrated with fill tube.

WARNING! Always use fresh gasoline; add stabilizer for storage. Change oil every 50 hours or seasonally.

Tires & Wheels

Standard tire sizes and replacement parts.

Front: 15x6.00-6, Part # 532192320. Rear: 20x10.00-8, Part # 532192321.

Valve Stems: Standard rubber. Wheel Bearings: Sealed cartridge type.

Inflation: Front: 14 PSI, Rear: 10 PSI (check sidewall).

Maintenance Schedule

Regular maintenance ensures longevity and performance.

IntervalTaskParts/Supplies Needed
Every 25 hoursCheck tire pressure, blade sharpnessAir gauge, file
Every 50 hoursChange engine oil, check beltsSAE 30 oil, oil filter, belt gauge
Every 100 hoursReplace air filter, spark plugAir filter, Champion RC12YC
SeasonallyGrease fittings, check batteryLithium grease, battery charger
As neededSharpen/replace blades, deck cleaningBlade set, degreaser

Parts Ordering & Warranty

Original parts available through Sears PartsDirect or authorized dealers.

How to Order: Use model and serial number from your tractor. Visit www.searspartsdirect.com or call 1-888-331-4569.

Warranty: Limited warranty on parts (90 days to 1 year). Keep receipt for claims.

Returns: Unused parts in original packaging within 30 days.

Troubleshooting & Diagrams

SymptomPossible CauseCorrective Action
Engine won't startDead battery, bad solenoid, safety switchCharge battery; test solenoid; ensure seat/brake engaged.
Poor cutting performanceDull blades, low deck heightSharpen/replace blades; adjust deck height.
Transmission slips/no driveLow fluid, worn beltCheck fluid level; replace drive belt.
Excessive vibrationUnbalanced blade, loose spindleBalance blade; tighten spindle bolts.
Battery drains quicklyFaulty alternator, parasitic drawTest charging system; check for short circuits.

Exploded Diagrams: Refer to official Craftsman LT1000 parts diagrams for assembly views and part locations.

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

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