20 Most Recent John Deere Seat 310a 310b 401 401b 401c 401d At20490 Questions & Answers

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remove the valve cover and make sure the valves are closing if they are remove the head inspect the gasket and valves and make sure that the piston is going up and down when turning it

On the left side of the injection pump is the fuel shutoff solenoid

Yes. The ignition switch uses two contacts for start/run. START position energizes the fuel shutoff relay which feeds back into itself to create a self latching state. The RUN position allows the self latch to continue until no longer in the RUN position (OFF), which interrupts the self latch thereby cutting off fuel. So you need to determine why the ignition switch RUN position doesn't maintain the fuel relay self latch state.

See following URL for wiring diagram https://www.tractorbynet.com/forums/threads/john-deere-5400.271168/

https://www.mylawnmowerforum.com/threads/john-deere-l-g-belt-routing-guide.2923/

John Deere X300 X304 X320 Service Repair Manual X324 X340 X360 This original John Deere Lawn Tractor manual is a detailed file and it is illustrated with clear step-by-step instructions. John Deere X300 X304 X320 Service Repair Manual

There are several possible causes for this, such as: A loose or disconnected spark plug wire A faulty or dirty spark plug A clogged or faulty fuel system A broken or chafed wire from the starter A bad voltage regulator or battery A malfunctioning safety switch or ignition switch You wll have to check each one of these, clean what is dirty, replace what is broken or clogged, make sure the spark gat is .76 mm if you change the plugs. You will need a multimeter to check the voltage regulator.

• Disconnect the three-wire connector from the voltage regulator.
• Connect the jumper wire from the negative battery terminal to the black wire terminal on the voltage regulator.
• Connect the red probe of the multimeter to the red wire terminal on the voltage regulator, and the black probe to the jumper wire.
• Set the multimeter to measure DC voltage and turn the ignition switch to the ON position. You should see a reading of about 12 volts. If not, the voltage regulator is faulty and needs to be replaced.
• Turn the ignition switch to the OFF position and disconnect the multimeter and the jumper wire.
• Reconnect the three-wire connector to the voltage regulator and the negative battery cable to the battery terminal.

in this guide manual you can explorer this problems

John Deere Z915B, Z915E, Z920M, Z925M EFI Mower Repair Manual