Husqvarna LGT2654 Repair Manual

The Husqvarna LGT2654 is a 26-horsepower, 54-inch cutting deck lawn and garden tractor designed for residential and light commercial use. This repair manual provides comprehensive instructions for maintenance, troubleshooting, and repair of the engine, transmission, electrical system, cutting deck, steering, brakes, and other key components. Below are key sections covering safety, specifications, maintenance schedules, troubleshooting, and step-by-step repair procedures.

Features at a Glance

Key components: Kohler Command PRO 26 HP engine, Hydro-Gear EZT transmission, 54-inch fabricated steel cutting deck, electric PTO clutch, power steering, dual brake pedals, 12-volt electrical system, and operator comfort features.

Feature	Description
Engine	Kohler Command PRO 26 HP, OHV, twin-cylinder
Transmission	Hydro-Gear EZT, infinite forward/reverse speeds
Cutting Deck	54-inch fabricated steel, 3-blade, adjustable height
PTO Clutch	Electric engagement, 12-volt
Steering	Power-assisted, rack and pinion
Brakes	Mechanical disc, dual pedal operation
Fuel Capacity	3.5 gallons (13.2 liters)
Electrical	12-volt battery, alternator, starter
Seat	High-back, adjustable, with suspension
Controls	Dashboard with gauges, ignition switch, PTO lever

Safety Precautions

Always follow safety guidelines to prevent injury or damage.

1. Disconnect spark plug wire before performing any maintenance or repair.
2. Use jack stands when lifting the tractor; never rely solely on a hydraulic jack.
3. Allow engine to cool before working on fuel system or exhaust components.
4. Wear safety glasses, gloves, and appropriate clothing.
5. Work in a well-ventilated area when handling fuel or batteries.

WARNING! Failure to follow safety procedures can result in serious injury or death. Always refer to the operator's manual for complete safety information.

Specifications

• Model: Husqvarna LGT2654
• Engine: Kohler Command PRO 26 HP, 726 cc, OHV, twin-cylinder
• Transmission: Hydro-Gear EZT hydrostatic, infinite speeds
• Cutting Width: 54 inches (137 cm)
• Cutting Height: 1.5 to 4.5 inches (adjustable)
• Fuel Type: Unleaded gasoline (87 octane minimum)
• Fuel Capacity: 3.5 gallons (13.2 liters)
• Oil Capacity: 2 quarts (1.9 liters) with filter
• Battery: 12-volt, 280 CCA
• Weight: Approximately 650 lbs (295 kg)
• Tire Size Front: 15x6.00-6
• Tire Size Rear: 20x10.00-8

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Before Each Use: Check tire pressure, fuel level, and for visible damage.

Every 8 Hours/ Daily: Clean cutting deck, check for loose bolts/nuts.

Every 50 Hours: Change engine oil and filter, check air filter, grease fittings.

Every 100 Hours: Replace spark plugs, check battery terminals, inspect drive belts.

Every 200 Hours: Change transmission fluid and filter, inspect brake pads.

Seasonal: Sharpen/replace blades, check tire condition, store properly.

Engine Service

Detailed procedures for Kohler Command PRO 26 HP engine maintenance.

1. Oil Change: Run engine to warm oil. Drain via plug, replace filter, refill with SAE 10W-30.
2. Air Filter: Replace paper element; clean foam pre-filter if equipped.
3. Spark Plugs: Gap at 0.030 inches; replace every 100 hours.
4. Fuel System: Replace fuel filter annually; clean carburetor if engine runs rough.
5. Cooling System: Clean cooling fins and blower housing regularly.
6. Valve Adjustment: Check clearance every 300 hours (intake 0.004-0.006 in, exhaust 0.006-0.008 in).

Tip: Use genuine Kohler parts for best performance and warranty compliance.

Transmission & Drive System

Hydro-Gear EZT hydrostatic transmission service and drive belt replacement.

1. Check transmission fluid level with dipstick; add fluid if low (use specified type).
2. Change fluid and filter every 200 hours: drain, replace filter, refill.
3. Inspect drive belts for wear/cracks; replace if damaged.
4. Adjust drive belt tension per manual specifications.
5. Check axle seals for leaks; replace if necessary.

WARNING! Transmission fluid may be hot after operation. Allow to cool before servicing.

Electrical System

12-volt system troubleshooting and component replacement.

Battery: Test voltage (should be 12.6V+); clean terminals; charge if low.

Starter: If engine doesn't crank, check solenoid, wiring, and starter motor.

Alternator: Test output (should be 13.5-14.5V with engine running).

PTO Clutch: Test resistance (typically 2.5-4.0 ohms); replace if out of spec.

Fuses: Check dashboard fuse panel for blown fuses; replace with same rating.

Switches: Test ignition, PTO, and safety switches for continuity.

Cutting Deck & Blades

Removal, blade sharpening/replacement, and deck adjustment.

1. Disconnect PTO and spark plug wire.
2. Lower deck to lowest setting; remove deck belt from pulleys.
3. Remove deck mounting hardware; slide deck out from under tractor.
4. Sharpen blades at 25-degree angle; balance after sharpening.
5. Replace blades if cracked, bent, or excessively worn.
6. Adjust deck leveling: measure blade height at all four corners.
7. Check spindle bearings for play; replace if noisy or loose.

CAUTION! Wear heavy gloves when handling blades. Ensure blades are properly tightened (torque to 40-50 ft-lbs).

Steering & Brakes

Power steering system service and brake adjustment/replacement.

Steering: Check fluid level in reservoir; inspect hoses for leaks. If steering is stiff, check for binding in linkage or worn components.

Brakes: Adjust brake pedal free play (approx. 1 inch). Replace brake pads if worn below minimum thickness. Inspect rotor for scoring or warping.

Parking Brake: Ensure it holds tractor on incline; adjust cable tension if needed.

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
Engine won't start	Dead battery, bad solenoid, fuel issue	Charge/replace battery; check fuel flow; test solenoid and ignition switch.
Loss of power	Clogged air/fuel filter, dirty carburetor	Replace filters; clean carburetor; check throttle linkage.
Poor cutting performance	Dull blades, deck not level, low engine RPM	Sharpen/replace blades; level deck; check engine speed (set to 3600 RPM).
Transmission slips/no drive	Low fluid, worn belt, internal issue	Check fluid level; inspect/replace drive belt; service transmission.
Electrical issues (lights, gauges)	Blown fuse, bad ground, faulty switch	Check fuses; clean battery terminals; test switches and wiring.
Excessive vibration	Unbalanced blades, loose components	Balance blades; tighten deck bolts, spindle nuts, and engine mounts.

Reset: Disconnect battery for 30 minutes to reset electronic controls if applicable.

Service Support: For technical assistance or parts, contact Husqvarna at 1-800-487-5962 or visit www.husqvarna.com.

Parts & Diagrams

Refer to the official Husqvarna parts catalog for exploded views and part numbers. Common replacement parts include:

• Blades (part #532401726)
• Air Filter (part #52-050-02-S)
• Oil Filter (part #52-050-07-S)
• Spark Plug (part #RC12YC)
• Drive Belt (part #532401726)
• PTO Clutch (part #532401726)
• Battery (part #U1-300)

Always use genuine Husqvarna parts to ensure compatibility and maintain warranty.