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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Cat 930 Wheel Loader Steering Problems

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Pat

08-18-2004 13:51:32




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I have a 1972 Cat 930 wheel loader SER. # 41K1823 that is used daily in a Honda recycling operation. Although the machine steers and is very operable, the steering is very weak and unresponsive, especially when not moving or when carrying heavy weight. We have installed a new pow steer pump, hand metering unit(HMU) and rebuilt both steering cylinders to no result. Does anyone have any ideas? Thanks Pat

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Bob/Ont

08-18-2004 15:38:17




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 Re: Cat 930 Wheel Loader Steering Problems in reply to Pat, 08-18-2004 13:51:32  
You likely have a problem with the main relief valve in the steering valve body. If you check the pressure when it will not steer you should get 2500psi. If you don't get that there likely is some dirt under the pilot valve or jamming the dump spool. Email if you need more help.
Later Bob



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