Husqvarna LT138 - User Manual

Questions and Answers:

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diane90Aug 4, 2025
How to fix Husqvarna LT138 Lawn Mower that is hard to start?
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  Crystal RogersAug 4, 2025
  If your Husqvarna Lawn Mower is hard to start, consider these possible causes: * A dirty air filter: Clean or replace the air filter. * A bad spark plug: Replace the spark plug. * A weak or dead battery: Recharge or replace the battery. * A dirty fuel filter: Replace the fuel filter. * Stale or dirty fuel: Drain the fuel tank and refill with fresh gasoline. * Loose or damaged wiring: Check all wiring. * Carburetor out of adjustment: See “To Adjust Carburetor” in Service Adjustments section. * Engine valves out of adjustment: Contact an authorized service center/department.
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Dominique HoodAug 14, 2025
What to do if Husqvarna LT138 Lawn Mower engine will not turn over?
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  johnsonjermaineAug 14, 2025
  If the engine of your Husqvarna Lawn Mower won't turn over, here's what you can check: 1. Clutch/brake pedal: Ensure it is depressed. 2. Attachment clutch: Make sure it is disengaged. 3. Battery: Recharge or replace if weak or dead. 4. Fuse: Replace if blown. 5. Battery terminals: Clean if corroded. 6. Wiring: Check for loose or damaged connections. 7. Ignition switch: Check or replace if faulty. 8. Solenoid or starter: Check or replace if faulty. 9. Operator presence switch(es): Contact an authorized service center/department.
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Devon BishopAug 19, 2025
What to do if Husqvarna LT138 Lawn Mower engine clicks but will not start?
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  Sharon McconnellSep 12, 2025
  If your Husqvarna Lawn Mower engine clicks but doesn't start, it could be due to: * A weak or dead battery. Recharge or replace the battery. * Corroded battery terminals. Clean the battery terminals. * Loose or damaged wiring. Check all wiring. * A faulty solenoid or starter. Check or replace the solenoid or starter.
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rachael37Aug 25, 2025
How to reduce excessive vibration in Husqvarna LT138 Lawn Mower?
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  Carmen EstesAug 25, 2025
  Excessive vibration in your Husqvarna Lawn Mower can be caused by: * A worn, bent, or loose blade: Replace the blade and tighten the blade bolt. * A bent blade mandrel: Replace the blade mandrel. * Loose or damaged parts: Tighten any loose parts and replace any damaged parts.
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Nicole SullivanOct 29, 2025
Why my Husqvarna LT138 Lawn Mower will not start?
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  Gregory HudsonOct 29, 2025
  Your Husqvarna Lawn Mower might not start due to several reasons: * The fuel tank may be empty, so fill it up. * The engine may not be choked properly, refer to the “TO START ENGINE” section in the Operation section. * The engine could be flooded, wait a few minutes before trying again. * The spark plug might be bad, replace it. * The air filter or fuel filter could be dirty, clean/replace the air filter and replace the fuel filter. * There might be water in the fuel, drain the fuel tank and carburetor, refill with fresh gasoline, and replace the fuel filter. * There could be loose or damaged wiring, check all wiring. * The carburetor might be out of adjustment, see “To Adjust Carburetor” in the Service Adjustments section. * The engine valves may be out of adjustment, c...
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Suzanne MartinezNov 8, 2025
What to do if my Husqvarna LT138 Lawn Mower has loss of power?
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  graymichelleNov 9, 2025
  If your Husqvarna Lawn Mower is experiencing a loss of power, consider the following: * You might be cutting too much grass or going too fast, set to a higher cut position and reduce speed. * The throttle might be in the “CHOKE” position, adjust the throttle control. * There could be a build-up of grass, leaves, and trash under the mower, clean the underside of the mower housing. * The air filter could be dirty, clean or replace it. * The oil level might be low or the oil is dirty, check the oil level and change the oil. * The spark plug might be faulty, clean, regap, or change it. * The fuel filter could be dirty, replace it. * The fuel might be stale or dirty, drain the fuel tank and refill with fresh gasoline. * There might be water in the fuel, drain the fuel tank an...

Husqvarna LT138 Specifications

General

Engine Manufacturer	Briggs & Stratton
Cutting Height Steps	6
Deck Material	Steel
Blade Engagement	Manual
Cutting Width	38 inches
Cutting Height, min-max	1.5-4 inches
Deflector	Yes
Fuel Tank Capacity	1.5 liters
Collector	Available as accessory
Mulch kit	Available as accessory