Pressure Washer won't pull, shaft is stuck at one position

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  #1  
Old 08-07-14, 07:26 AM
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Pressure Washer won't pull, shaft is stuck at one position

I have a Briggs & Stratton 2100 Series Pressure washer. I used it after being put up for a year. I checked the oil and the gas and it started on the first pull. After running it for a few hours it won't pull start, it gets hung on one spot.

Things I've done.
1. checked oil
2. removed spark plug and it pulls fine.
3. removed pump and it still won't pull
4. put screw driver in cylinder and it moves up and down.
5. removed valve cover and valves seem to be working fine.
6. removed pull cord mechanism and turned shaft by hand. The shaft seems to be getting stuck at one spot. it rotates clockwise and counter clockwise and stops and one particular spot.

Please help, I am lost!
 
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  #2  
Old 08-07-14, 09:17 AM
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Remove the valve cover and see if anything is out of place or if the valves are loose.
 
  #3  
Old 08-07-14, 10:25 AM
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The rocker arms have some side to side play but the valves seem to be tight.
 
  #4  
Old 08-07-14, 04:45 PM
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Is the spark plug wet or oily at the electrode?
 
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Old 08-07-14, 04:52 PM
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The spark pug is dry as can be
 
  #6  
Old 08-07-14, 05:27 PM
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Just a thought, but have you relieved the water pressure on the pump? That will prevent mine from starting.
 
  #7  
Old 08-08-14, 10:18 AM
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The pump isn't atached. It seems like it has to be a valve right. I don't know what else could be causing the pressure.
 
  #8  
Old 08-11-14, 01:06 PM
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So I dismantled the pressure washer, checked the pressure release mechanism in the crankcase, put new oil in and it worked. Turned off the pressure washer after using it for 5 mins and same problem again????
 
  #9  
Old 08-13-14, 10:14 AM
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So i discovered the valves needed to be adjusted. Adjusted them and all is well.
 
  #10  
Old 08-13-14, 10:22 AM
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Glad you found it. That is a common problem, but saying the shaft got stuck at one spot kind of threw us off track and had us thinking of actual things that would freeze up the shaft in part of the rotation. Loose valves would cause it to be tough to turn past the compression stroke, but not freeze up the shaft.
 
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