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Yamaha EF12000DE Support Question

Yamaha EF12000DE Support Question

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Question posted by ebasile0011 on September 25th, 2011

As Soon As You Connect The Battery Terminal.generator Starts With Key On Off.

the stater keeps turning.Must pull wire off of silinoid to stop starter.To shut off,must pull battery cable off.New battery installed.after 1 hour running,battery dead.Just installed new key switch,same problems.Generator has orig.64 hours.I purchased new.What can I do?

Current Answers

Answer #1: Posted by Cyclenorthman on September 25th, 2011 9:54 AM
This answer was accepted by the poster of the original question.
Cyclenorthman

Member since:
September 18th, 2011

Points: 1,160
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The starter relay may be shorted or the wiring to it is hot all the time causing relay to engage.Wiring diagram would help.Bad switch.

Related Yamaha EF12000DE Manual Pages

Owners Manual - Page 10

....,LTD. DISPLACEMENT 653 cm3 REFER TO OWNER'S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. EPA REGULATIONS FOR SMALL NON-ROAD ENGINES (EMISSION COMPLIANCE PERIOD OF 1000 HOURS) AND CALIFORNIA SI SORE's. EH63 .64 .65 5 6 -3 -
Owners Manual - Page 33

...) Clean generator and check bolts and nuts ˔ (Daily) Every Every Every Every Every 20 50 200 500 1000 hours hours hours hours hours Check and refill engine oil Change engine oil (*Note 1) ˔ (Refill daily to upper level) ˔ (Initial) ˔ (Every 100 hours) Replace engine oil filter (*Note 1) ˔ (Initial) ˔ Check battery electrolyte fluid level...
Owners Manual - Page 34

...use the best grade and clean oil. stop the engine and loosen the drain plug. 2. When changing oil, stop the engine and check for a minute ;...Run the engine for oil leakage around the oil filter and recheck the oil level. Thereafter replace the engine oil filter every 200 hours. ˙ When installing a new oil filter, apply oil to O-ring, attach the oil filter in position and tighten 2/3 turns...
Owners Manual - Page 39

...˔ Reduces engine output ˔ Increases fuel consumption ˔ Makes starting difficult If the engine has been running, the muffler and the spark arrester will be free of breaks and ...SCREEN Clean the spark arrester screen Use a brush to remove the spark arrester 1. Install the spark arrester, and muffler protector in the reverse order of a spark arrester.... to keep it is damaged.
Owners Manual - Page 40

... followed prior to storage of your generator for a period of the battery. ˙ Change engine oil. ˙ Check for Drain ˙ Drain fuel from the carburetor by loosening the drain screw on the carburetor float chamber , or run the engine at no-load until it stops. ˙ Disconnect the terminal of 6 months or longer. ˙...
Owners Manual - Page 42

TROUBLESHOOTING When generator engine fails to start after the engine is stopped and then turn the starter switch to start . Possible causes Carbon brushes are excessively worn Insufficient capacity of extension cable Incorrect or poor connection of wires Overload by connected appliance Faulty spark plug Low oil level Clogging of Cooling air intake Clogging of Air cleaner Fuel...
Owners Manual - Page 43

...EF12000DE...US qt) Starting system Electric starter Fuel tank capacity Rated ...terminal (Auto choke) Standard Valve clearance (Intake & Exhaust) 0.0039 ± 0.0008 in (0.1 ± 0.02 mm) Note : Adjust the valve clearance while the engine is cold. Emissions durability period (California only) *1: [ ] shows dimensions with castors. *2: [ ] shows dry weight with castors installed. 500 hours...
Owners Manual - Page 44

WIRING DIAGRAM Auto choke (Bimetal) Ignition coil Exciting coil (AVR) Y Y R Fuel cut R Blk/W Blk Idle solenoid W W W W Charge coil Org Electric starter R Magnetic switch Blk15 Blk Blk - + Battery 12V Grn Regulator R15 Gry Oil pressure switch CONTROL BOX LGrn R/W Blk/W Blk (AC output) 1 2 LBlu 54 3 Idle control unit Economy switch Org R Grn/Y Grn/Y to earth terminal ...
Owners Manual - Page 45

Then check that wheel ᶅ is connected, the engine will not start unless both starter switch on the control panel and the engine switch on the remote control unit are switched on a level surface, locking the wheel... ˙ Spanner or socket wrench (12 mm (0.472 in)), 2 units (3) Installation procedures (a) Raise the generator by about 100 mm (3.94 in), with hoist or with square bar put under...

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