Could be;
What is the model number of machine?
SOURCE: Craftsman 17.5 HP 42 in mower stops after approx 1/2 hour of use
Hello jon3208:
>>The Following is a Basic Instruction File I made for this. Any Input is Appreciated. I Usually Suggest you Check the Following in this Order for a Problem like yours. **CHANGE ANY SPRING STYLE HOSE CLAMPS TO THE SCREW STYLE HOSE CLAMPS*** 1- Check the Gas Tank Cap and Ensure it is Venting the Tank. A Vacuum Builds in the Tank and the Gas Flow Stops or Slows (15 to 45 Minutes and if the Small Grainular Sand is in the Tank it can Take Several Days of Constant Running to Bring All the Sand Particales to the Tank Outlet Port) to a Point it Shuts Off the Engine. 2- Operate the Equipment Until it Quits (15min to 1hr). Then Immediately Check for Fire from the Plug. If the Plug is Firing, then 3- Check the Carburetor Solenoid. If the Carburetor Shut Off Solenoid has Current, then Remove the Carburetor Solenoid and Go to the Hardware Store. Purchase a Bolt of the Same Diameter and Threads. It Needs to be 3/4" Long. Put this Bolt in Place of the Solenoid. If this Corrects the Engine Problem, then Replace the Solenoid. ***NOTE: THIS IS FOR CHECKING THE SOLENOID ONLY I NEVER SUGGEST YOU OPERATE THE ENGINE WITH THE SOLENOID OUT OF THE CARBURETOR EXCEPT FOR TESTING PURPOSES*** Sometimes the Plunger is Moving, Just Not Far Enough to Allow the Gas to Enter the Jets. 4- Depending on the Model Mower, it can Also be the Pickup Tube in the Gas Tank. If No Fire, then Remove the Shut Off Wire from the Coil and Check for Fire. If Still No Fire, then the Ign Module or Coil is Bad. **Even if the Coil is New of Fairly New, it can Still be Bad.** On JD Mowers; Remove the Igniter/Module and the Coil and have the Local JD Dealer Test them.
Please, Do Not Hesitate, If I Missed Something or you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.
Good Luck
Respectfully
jbridger (John)
SOURCE: Honda HR 17 lawn mower dies after it starts
01 Fuel tank cap? Loosen it to see if it is plugged.
02 Possible fuel line obstruction? Disconnect at carb to make sure there is adequate fuel flow.
SOURCE: briggs & stratton 550 / surges, gas hog
check your air filter. If it's clogged, the engine will spool up to keep from dying, run for about 15 seconds, then it will happen again. If that's it, just clean the air filter. Solved my problem
SOURCE: I purchased a used Craftsman LT 1000 17 hp 42"
I've had to do this at least 5 times. If you look under the body, there are two supports that carry the mower deck and lift and lower it. Each of these has a nut that holds up the deck and the nut is on a stud that goes up and down when you raise or lower the lever. Put the deck in the middle of it's range, around #3, make sure the key is off, move your blades so they are on the right and left edge of the deck.
Get yourself a device to measure blade to ground height, I have a block of wood that is 3 inches long. Make sure your floor or ground is level and tires are properly pumped up. Then raise or lower the adjustment nuts until both sides are equal height.
Gary
SOURCE: Just turns off on it's own, Wait 60 sec. restart press pedel it dies.
This engine is electronically controlled so the first thing that must be done here is to have the systems control computer tested for fault codes and then do the proper diagnostics based on those codes.
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