Craftsman LTX 1000 Parts Manual

The Craftsman LTX 1000 is a 42-inch riding lawn tractor designed for residential use, featuring a 19.5 HP Briggs & Stratton engine, 6-speed manual transmission, electric PTO, and a durable steel frame. This manual provides detailed parts identification, diagrams, ordering information, maintenance schedules, and safety guidelines to ensure proper operation and longevity of your tractor. Below are key sections for parts overview, engine components, deck assembly, drive system, electrical, maintenance, and troubleshooting.

1. Parts Overview & Diagrams 2. Engine Components 3. Mower Deck Assembly 4. Drive System & Transmission 5. Electrical System 6. Controls & Operator Station 7. Maintenance Schedule 8. Safety Information 9. Parts Ordering & Support 10. Troubleshooting

Parts Overview & Diagrams

Key assemblies: Engine, Mower Deck, Transmission, Drive Belt System, Electrical Harness, Controls, Seat, Wheels & Tires.

Assembly	Part Number Prefix	Description
Engine (Briggs & Stratton)	BS-195	19.5 HP, single cylinder, overhead valve
Mower Deck (42")	MD-42LTX	Stamped steel, 3-blade, adjustable height
Transmission (6-speed)	TR-6M	Manual gear drive, shift-on-the-go
Drive Belt	DB-744	½" x 74.4" for engine to transmission
PTO Clutch (Electric)	PTO-ELEC	Engages mower deck blades
Battery	BAT-U1	12V, 300 CCA
Blade Spindle	SP-42-3	For 42" deck, set of 3
Air Filter	AF-4920S	Dual-stage, foam and paper
Oil Filter	OF-4965	Spin-on type
Spark Plug	SP-RJ19LM	Resistor type, gap 0.030"

Engine Components

19.5 HP Briggs & Stratton engine parts list and diagram references.

Cylinder Head & Valves: Includes head gasket, valves, springs, keepers.
Crankshaft & Piston: Piston rings, connecting rod, bearings.
Carburetor & Fuel System: Fuel pump, lines, filter, air intake assembly.
Ignition System: Coil, spark plug wire, flywheel key.
Lubrication: Oil pan, dipstick, drain plug, oil filter.
Cooling: Blower housing, cooling fins, fan.

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

Mower Deck Assembly

42-inch stamped steel deck with three spindles and blades.

Deck Shell: Main housing, part number MD-42LTX-1.
Spindle Assemblies (3): Includes spindle shaft, bearings, pulley, belt guard.
Blades (3): Mulching blades, 18.5" length, part number BL-185M.
Deck Belt: ½" x 95", drives blades from PTO.
Height Adjustment: Lever, linkage, gauge wheels.
Discharge Chute: Optional grass bagger attachment point.

CAUTION! Ensure deck is securely attached and blades are balanced before operation.

Drive System & Transmission

Transmission Type: 6-speed manual, shift-on-the-go.
Drive Belt: DB-744 (engine to transmission).
Clutch/Brake: Combined pedal assembly.
Axle: Live rear axle with differential.
Tires: Front 15x6.00-6, Rear 20x10.00-8.
Pulleys: Engine drive pulley, transmission input pulley, idlers.
Shift Linkage: Rods, bushings, shift lever.

Electrical System

12-volt system with key start, safety interlock, and PTO clutch.

Main Components: Battery (BAT-U1), Starter Motor, Alternator/Charging System, Ignition Switch, Safety Switches (seat, PTO, brake), PTO Clutch (electric), Wiring Harness, Fuses (20A main), Headlights.

Diagram: Refer to wiring schematic in manual for color codes and connections.

Controls & Operator Station

Steering Wheel, Seat, Dashboard, Pedals.

Turn key to OFF and remove before servicing.
Identify controls: Throttle, Choke, Ignition, PTO switch, Hour meter.
Adjust seat position via lever; ensure safety switch contact.

Tip: Lubricate control linkages periodically for smooth operation.

Maintenance Schedule

Follow schedule to ensure optimal performance and warranty compliance.

Engine Oil: Change every 50 hours or seasonally (SAE 30 or 10W-30).
Oil Filter: Replace with every oil change.
Air Filter: Clean foam pre-cleaner every 25 hours; replace paper element annually.
Spark Plug: Check gap every 100 hours; replace annually.
Drive Belts: Inspect for cracks/wear every 50 hours.
Blades: Sharpen balance every 25 hours; replace if damaged.
Battery: Check terminals and charge; maintain with tender if stored.
Tire Pressure: Maintain 12 PSI (front), 10 PSI (rear).
Lubrication: Grease spindles, pivot points every 25 hours.

WARNING! Use only recommended fluids and parts. Disconnect battery before electrical work.

Safety Information

Read and understand all safety labels on machine. Keep hands and feet away from moving parts. Always engage parking brake before dismounting.

Parts Ordering & Support

Use part numbers provided. Contact authorized Craftsman dealer or visit www.craftsman.com for parts lookup and ordering. Have model number (247.288340) and serial number ready.

CAUTION! Use only genuine Craftsman parts to maintain performance and safety.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery, safety switch, fuel	Check battery charge; ensure seat occupied & PTO off; check fuel valve & filter.
Loss of power	Clogged air filter, old spark plug	Clean/replace air filter; replace spark plug; check fuel quality.
Uneven cutting	Deck level, dull blades	Level deck; sharpen or balance blades; check tire pressure.
Vibration	Loose blade, damaged spindle	Tighten blade bolts; inspect spindle for wear; replace if bent.
Drive belt slips	Worn belt, misaligned pulley	Replace belt; check pulley alignment and tension.
PTO won't engage	Blown fuse, faulty switch	Check 20A fuse; test PTO switch/clutch with multimeter.

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

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