Craftsman T2400 Lawn Tractor Parts Manual

The Craftsman T2400 is a 24-horsepower lawn tractor featuring a Kohler Courage SV730 engine, 46-inch mower deck, hydrostatic transmission, electric PTO, and a durable steel frame. This manual provides comprehensive parts identification, assembly instructions, maintenance procedures, and troubleshooting guidance to ensure proper operation and longevity of your tractor. Below are key sections covering safety, parts diagrams, installation, maintenance, specifications, and troubleshooting.

1. Parts Identification & Diagrams 2. Safety Precautions 3. Assembly Instructions 4. Technical Specifications 5. Engine Components 6. Mower Deck Assembly 7. Drive System & Transmission 8. Electrical System 9. Maintenance Schedule 10. Parts Replacement Guide 11. Troubleshooting

Parts Identification & Diagrams

Key components: Engine assembly, Mower deck, Transmission, Steering system, Electrical harness, Seat assembly, Wheels & tires, Control panel.

ComponentPart NumberDescription
Engine (Kohler SV730)CMXGVAAM70000024 HP, 2-cylinder, air-cooled
Mower Deck (46")CMXGRAMZ460000Triple-blade, stamped steel
Hydrostatic TransmissionCMXGTZAM300000Foot-pedal control, infinite speeds
Drive BeltCMXGBVAM1440001/2" x 144" for deck drive
Blade Spindle AssemblyCMXGSIAM046000Includes bearings and pulley
Air FilterCMXGAFAM041000Dual-element, paper & foam
Spark PlugCMXGSPAM732000Champion RC12YC, gap 0.030"
BatteryCMXGBTAU34000012V, 340 CCA, group U1
SeatCMXGSEAM240000High-back, suspension
Fuel FilterCMXGFFAM025000In-line, replace every 100 hours

Safety Precautions

Always follow safety guidelines to prevent injury or damage.

  1. Read manual thoroughly before operation or maintenance.
  2. Disconnect spark plug wire before servicing.
  3. Use proper lifting equipment for heavy components.
  4. Wear safety glasses and gloves during repairs.
  5. Operate only in well-ventilated areas.

WARNING! Engine components may be hot during/after operation. Allow to cool before servicing. Keep hands and feet away from moving parts.

Assembly Instructions

Unpack and inspect all parts. Use provided hardware and tools.

  1. Attach steering wheel: Align splines, secure with nut (35-40 ft-lbs).
  2. Install seat: Mount on suspension base, tighten bolts (18-22 ft-lbs).
  3. Connect battery: Positive (red) first, then negative (black).
  4. Attach mower deck: Lower lift arms, align pins, secure with retainer springs.
  5. Check tire pressure: Front 14 PSI, rear 10 PSI.
  6. Add engine oil: SAE 10W-30, 2 quarts (check dipstick).
  7. Fill fuel tank: Unleaded gasoline only, minimum 87 octane.

CAUTION! Do not overtighten hardware. Use torque wrench where specified.

Technical Specifications

Engine Components

Kohler SV730 engine parts: Cylinder head, Piston rings, Carburetor, Oil filter, Fuel pump, Ignition coil.

Maintenance: Change oil every 50 hours (or annually). Replace air filter every 100 hours. Check spark plug gap (0.030"). Adjust valve clearance (0.004-0.006" intake, 0.006-0.008" exhaust) at 300 hours.

Torque specs: Spark plug 18-22 ft-lbs. Oil drain plug 14-18 ft-lbs. Cylinder head bolts 18-20 ft-lbs in crisscross pattern.

Mower Deck Assembly

46-inch stamped steel deck with three spindles.

  1. Remove deck: Lower lift, disconnect PTO, remove retainer springs.
  2. Blade replacement: Use blade removal tool, torque to 45-50 ft-lbs.
  3. Belt routing: Follow diagram on deck housing.
  4. Deck leveling: Adjust front and rear hangers to 2.5-3" cutting height.
  5. Spindle bearing: Replace if excessive play or noise present.

Tip: Sharpen blades every 25 hours for optimal cut. Balance after sharpening.

Drive System & Transmission

Hydrostatic transmission with drive belt and pulleys.

  1. Check transmission fluid: Level with fill plug (SAE 20W-50).
  2. Drive belt tension: 1/4" deflection at midpoint.
  3. Neutral adjustment: Set linkage per manual diagram.
  4. Parking brake: Adjust cable for proper engagement.

WARNING! Do not operate with leaking hydraulic fluid. Repair seals immediately.

Electrical System

12V system with key ignition, safety interlock, PTO switch, headlights.

Wiring diagram: Battery → Ignition switch → Safety switches → Starter solenoid → PTO clutch. Fuse: 20A main fuse in red holder near battery.

Troubleshooting: No start? Check battery voltage (>12.4V), clean terminals, test safety switches (seat, brake, PTO).

Maintenance Schedule

IntervalTaskParts Required
Every 8 hoursCheck tire pressure, inspect bladesNone
Every 50 hoursChange engine oil & filterOil filter, SAE 10W-30
Every 100 hoursReplace air filter, fuel filterAir filter, fuel filter
Every 200 hoursReplace spark plug, check beltsSpark plug RC12YC
Every 300 hoursAdjust valves, change trans fluidSAE 20W-50, gasket
SeasonalSharpen blades, grease fittingsBlade balancer, lithium grease

Storage: Add fuel stabilizer, run 5 minutes. Disconnect battery. Store in dry location.

Parts Replacement Guide

Common replacement parts and procedures.

  1. Drive belt: Release tension, remove deck, route new belt per diagram.
  2. Blades: Block blade, use 15/16" socket, torque to 45-50 ft-lbs.
  3. Battery: Disconnect negative first, clean tray, secure hold-down.
  4. Fuel filter: Pinch clamps, replace filter, ensure flow direction.
  5. PTO clutch: Disconnect wiring, remove mounting bolts, align new clutch.

Note: Use genuine Craftsman parts for optimal performance and warranty.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startDead battery, bad spark plug, clogged fuel filterCharge battery, replace plug/filter, check fuel flow.
Poor cutting performanceDull blades, uneven deck, low engine RPMSharpen blades, level deck, adjust throttle to 3400 RPM.
Transmission slipsLow fluid, worn belt, adjustment neededCheck fluid level, replace drive belt, adjust linkage.
Excessive vibrationUnbalanced blade, loose spindle, damaged deckBalance blade, tighten spindle bolts, inspect deck.
Electrical failureBlown fuse, corroded terminals, bad switchReplace 20A fuse, clean terminals, test switches.

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

Parts Ordering: Provide model number (CMXGRAMZ240000) and part number from manual.

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