BigDog Mowers X Diablo User Manual (English)

Questions and Answers:

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Cody WilliamsAug 15, 2025
Why will my BigDog Mowers X Diablo Lawn Mower engine not start?
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  Haley AllenAug 15, 2025
  If your BigDog Lawn Mower engine won't start, starts hard, or fails to keep running, possible causes include no fuel or a plugged fuel line (fill the tank or replace the line), the fuel valve being turned off (open the fuel valve), incorrect fuel (drain the tank and replace with the proper type), a dirty fuel filter (replace the fuel filter), or the choke not being on (move the choke lever to ON).
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Frederick MooreAug 18, 2025
What to do if BigDog Mowers X Diablo Lawn Mower starting motor does not crank?
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  Robin Fletcher DDSAug 18, 2025
  If your BigDog Lawn Mower starting motor does not crank, make sure the steering control levers are in the park brake position or readjust the switch. Also, disengage the deck clutch switch. Check the electrical connections if they are corroded or loose. Recharge or replace the battery if it is weak or dead.
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Jennifer WhiteheadAug 21, 2025
What to do if my BigDog Mowers X Diablo has abnormal vibration?
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  Sherri WhiteAug 21, 2025
  If your BigDog Lawn Mower is experiencing abnormal vibration, it could be due to loose engine mounting bolts (tighten them), a loose engine, idler, or blade pulley (tighten the appropriate pulley), bent or unbalanced cutting blades (install new ones), a loose blade mounting bolt (tighten it), or a worn or loose spindle bearing (replace or tighten it).
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Joshua WyattAug 25, 2025
Why does my BigDog Lawn Mower circle or veer?
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  Spencer GonzalesAug 25, 2025
  If your BigDog Lawn Mower circles or veers in one direction, make sure the tires are properly inflated by adjusting the air pressure to 8 - 12 psi (55-83 KPa). Also, the steering linkage may need adjustment.
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Michael JonesAug 27, 2025
What to do if BigDog Mowers X Diablo Lawn Mower blades do not rotate?
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  Anthony EwingAug 27, 2025
  If your BigDog Lawn Mower blades do not rotate, the deck drive belt may be worn, loose, or broken (install a new one) or off the pulley (reinstall the belt and check for the reason).
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douglasnancyAug 30, 2025
How to fix uneven cutting height on BigDog Lawn Mower?
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  garciapatriciaAug 31, 2025
  If your BigDog Lawn Mower has uneven cutting height, try sharpening the blades or installing new cutting blades if they are bent. Make sure to adjust air pressure to 8 - 12 psi (55-83 KPa) if tires are improperly inflated.
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joe47Sep 2, 2025
Why is my BigDog Lawn Mower losing power?
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  sophiachangSep 2, 2025
  If your BigDog Lawn Mower loses power or won't operate in either direction, try servicing the air cleaner if there are restrictions. Check the level in the reservoir if there is insufficient hydraulic oil supply. Close the tow valve if it is open. Install a new traction drive belt if it is worn, loose, or broken. Check the filter and fittings if there is air in the system. The steering linkage may need adjustment.
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Tonya SmithSep 5, 2025
What to do if BigDog Mowers X Diablo hydraulic system operates hot?
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  Eric JohnsonSep 6, 2025
  If the hydraulic system in your BigDog Lawn Mower operates hot (oil in reservoir smells rancid), fill the reservoir if the hydraulic oil level is low and clean the oil cooler core if it is clogged.
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daviddelgadoSep 8, 2025
How to fix BigDog Mowers X Diablo Lawn Mower air cooled engine overheating?
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  James CamposSep 8, 2025
  Clean the screen and fin if the air intake screen or cleaning fins are clogged on your BigDog Lawn Mower.
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Samantha PhamSep 12, 2025
What to do for low engine oil pressure in BigDog Mowers X Diablo Lawn Mower?
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  Bruce HartmanSep 12, 2025
  Add oil if the oil level is low. Change the oil and check for the source of contamination if the oil is diluted or too light.