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Safety interlocks not working in my Komatsu SK820.
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<blockquote data-quote="Tazza" data-source="post: 49439" data-attributes="member: 82"><p>Sadly i don't know what they use as lock outs. On bobcats they use manual lock outs for the old machines, they went to a solenoid that blocks all fluid to the lift and tilt functions if the safety device is not detecting someone in the seat. The other uses a solenoid poerated pin that locks the spool.</p><p>The thing is, all these devices are normally closed. No power they stay locked, so if they fail they would fail closed and would lock the operator out....</p><p>If you can look under the seat, check the control block, see if you can work out what sort of lockout it has and work from there by wiggling the pedal that allowed the lift arms to move. I know that if you have leaky spool seals, the style that uses a pin to lock the spools out can get stuck because of the thickness of the oil. It could be as simple as that.</p></blockquote><p></p>
[QUOTE="Tazza, post: 49439, member: 82"] Sadly i don't know what they use as lock outs. On bobcats they use manual lock outs for the old machines, they went to a solenoid that blocks all fluid to the lift and tilt functions if the safety device is not detecting someone in the seat. The other uses a solenoid poerated pin that locks the spool. The thing is, all these devices are normally closed. No power they stay locked, so if they fail they would fail closed and would lock the operator out.... If you can look under the seat, check the control block, see if you can work out what sort of lockout it has and work from there by wiggling the pedal that allowed the lift arms to move. I know that if you have leaky spool seals, the style that uses a pin to lock the spools out can get stuck because of the thickness of the oil. It could be as simple as that. [/QUOTE]
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Safety interlocks not working in my Komatsu SK820.
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