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    1996 case 9030b excavator with a ultimate 5600 processor head

    I have a problem with the motor stalling when i use any hydraulics. I thought it was the motor needing fuel and replaced the filters and the lift pump and the injectors and injector pump from a motor that was working ok. i cleaned the banjo bolts and it seams the hyd pump is not destroking.I...
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    proportional valve

    I would like to know if a electromagnetic proportional pressure reduction valve on a kawasaki k3v1120t hyd pump would cause the pump to overlload stalling engine on a 9030b case excavator and how do you check it.treecutter
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    case 9030b hyd pump loads up

    I have a problem with pump #2 loading up when i try to do a function that runs off #2 pump. i took the regulator that moves the pump swash plate off and the spools are free to move.the negative pressure is within limits. i have taken the regulator block off and took end plates off .i was...
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    low power on 9030b case excavator

    hi. I have a 1993 case 9030 with an ultimate 56 head for processing wood. It started to loose power when i use any function it will stall. I changed the fuel filters and the inline filter,I blew out the lines and replaced the lift pump.It still dosent have any power.It starts good and dosent...
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    straight 850 case dozer hydraulic problem

    I have an older case 850 dozer and it has been working fine until last week. i have no lift on blade or angle but it has a quick coupler hookup on the back of dozer.the hoses are connected and when i disconnect them the blade will work but the pump loads the engine and it won't rev up. if i put...
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