Friday, May 11, 2012

May 11th

I was sent out to work on a Yanmar compact first thing today. The customer wanted a hydraulic hose replaced and an adjustable arm put on his three point linkage for his rotary mower. Decided to tackle the three point linkage first. Removed his old non adjustable link and went to put on the adjustable link. The only problem was he had purchased the wrong pins and they would not fit his rockshaft arms. Ended up putting the original arm back on and adjusting the adjustable arm to level his rotary mower. Then on to the leaky hydraulic hose, went to remove the hose to return to the shop and have another made but found that fitting was loose and that was where it was leaking. So, my service call was to adjust the level of his mower and tighten a fitting. Back at the shop, I was given a 6430 and was tasked to finish the loader and grapple install. Got part way through the install and the owner of the 8870 that I had been working on called and said we could get to it and do our thing. I went to the job site and proceeded to drain the hydraulic tank so I could pull the filter prescreen out and see why it was hot in that area. While draining the low pressure return line, a large piece of cellophane came out of the line. This may have cause a restriction and was the reason for the excessive heat in that area. Put everything back together and filled the hydraulic tank. Started the tractor and tested, found that there was approximately a 20 to 30 degree drop in temperature. Problem solved? Will have to wait and see if the farmer agrees.

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