Craftsman LT 2000 Service Manual

The Craftsman LT 2000 is a 20-horsepower lawn tractor designed for residential lawn care. This service manual provides detailed instructions for maintenance, troubleshooting, and repair of the engine, transmission, electrical system, cutting deck, and other key components. Below are essential sections covering safety, specifications, maintenance schedules, troubleshooting, and repair procedures.

1. Features at a Glance 2. Safety Precautions 3. Specifications 4. Maintenance Schedule 5. Engine Service 6. Transmission & Drive System 7. Electrical System 8. Cutting Deck Service 9. Troubleshooting Guide 10. Parts List & Diagrams 11. Warranty & Support

Features at a Glance

Key components: 20 HP Briggs & Stratton engine, 42-inch cutting deck, Hydrostatic transmission, Electric PTO clutch, 12-volt electrical system, and ergonomic operator controls.

FeatureDescription
Engine20 HP Briggs & Stratton, single-cylinder, air-cooled
Cutting Deck42-inch stamped steel, 3-blade system
TransmissionHydrostatic, infinite forward/reverse speeds
Drive SystemRear-wheel drive with differential
Electrical12V battery, alternator, starter motor
Fuel Tank3-gallon capacity, gasoline
ControlsKey ignition, PTO switch, throttle, choke
SeatAdjustable, high-back with suspension
TiresFront: 15x6.00-6, Rear: 20x10.00-8
WeightApproximately 500 lbs

Safety Precautions

Always follow safety guidelines to prevent injury or damage.

  1. Disconnect spark plug wire before performing any maintenance.
  2. Operate only in well-ventilated areas to avoid carbon monoxide poisoning.
  3. Wear appropriate safety gear: gloves, eye protection, sturdy footwear.
  4. Keep hands and feet away from moving parts, especially blades.
  5. Do not operate on slopes greater than 15 degrees.

WARNING! Never attempt repairs while engine is running. Allow engine to cool before servicing.

Specifications

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

IntervalTask
Before each useCheck tire pressure, inspect for loose parts
Every 8 hoursCheck engine oil level
Every 50 hoursChange engine oil, replace oil filter
Every 100 hoursReplace air filter, spark plug
Every seasonSharpen blades, lubricate fittings
AnnuallyChange transmission fluid, inspect belts

Note: Service intervals may vary based on operating conditions.

Engine Service

Procedures for basic engine maintenance and repair.

  1. Oil Change: Drain oil via plug, refill with 1.5 quarts SAE 30.
  2. Air Filter: Replace paper element; clean foam pre-filter if present.
  3. Spark Plug: Gap to 0.030 inches; replace annually.
  4. Fuel System: Clean carburetor, replace fuel filter every 2 years.
  5. Cooling: Keep cooling fins clean; ensure proper airflow.

CAUTION! Always disconnect battery and spark plug before servicing engine.

Transmission & Drive System

Hydrostatic transmission service and drive belt replacement.

  1. Check transmission fluid level; add as needed (type: Dexron III ATF).
  2. Inspect drive belt for wear; replace if cracked or glazed.
  3. Adjust tension on drive belt per manual specifications.
  4. Lubricate axle bearings and pivot points annually.
  5. Test forward/reverse operation; ensure smooth speed changes.

Tip: Park on level surface when checking transmission fluid.

Electrical System

Battery, starter, and wiring diagnostics.

  1. Battery: Test voltage (12.6V fully charged); clean terminals.
  2. Starter: Check solenoid engagement; replace if clicking occurs.
  3. Charging: Verify alternator output (13.5-14.5V with engine running).
  4. Switches: Test ignition, PTO, and safety interlock switches.
  5. Fuses: Locate and replace blown fuses (20A main).

WARNING! Avoid short circuits; disconnect battery before electrical work.

Cutting Deck Service

Blade sharpening, belt replacement, and deck leveling.

  1. Remove deck: Disconnect PTO, remove retaining pins, lower deck.
  2. Sharpen blades: Balance after sharpening; replace if damaged.
  3. Replace deck belt: Route per diagram; adjust tension.
  4. Level deck: Adjust lift links to ensure even cutting height.
  5. Clean underside: Remove grass buildup to prevent rust.

CAUTION! Wear heavy gloves when handling blades.

Troubleshooting Guide

SymptomPossible CauseCorrective Action
Engine won't startDead battery, faulty spark plug, empty fuel tankCharge/replace battery; check spark; refuel.
Loss of powerClogged air filter, dirty carburetor, old fuelReplace air filter; clean carburetor; use fresh gas.
Uneven cuttingDull blades, unlevel deck, low tire pressureSharpen blades; level deck; inflate tires.
Transmission slipsLow fluid, worn belt, internal wearCheck fluid; replace drive belt; service transmission.
Excessive vibrationLoose blade, unbalanced blade, damaged spindleTighten blade; balance or replace; inspect spindle.

Reset: Disconnect battery for 10 minutes to reset electrical system.

Parts List & Diagrams

Refer to official Craftsman parts diagrams for replacement parts. Common part numbers:

Order parts via Sears Parts Direct or authorized dealers.

Warranty & Support

Limited 2-year warranty for residential use. Contact Craftsman support for warranty claims or technical assistance.

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

Note: Warranty void if unauthorized repairs are performed or non-genuine parts are used.

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