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1.拆解依据在检修和拆解A8V-58HD型柱塞泵前,应先对该泵进行P-Q曲线(压力-流量关系曲线)测定。如果其功率下降1 0%以上或带额定负载时流量减少25%以上,则须进行检修。此外,还可以根据运转时间确定是否需要进行检修,一般主机运转到6000~7000 h可对液压泵进行解体检修。
1. Disassembly Basis Before the inspection and disassembly of the A8V-58HD piston pump, the P-Q curve (pressure-flow relation curve) of the pump should be measured. Overhaul must be carried out if its power is reduced by more than 10% or the flow rate is reduced by 25% or more with rated load. In addition, you can also determine whether the need to carry out maintenance operations, the general host operation to 6000 ~ 7000 h can disassemble the hydraulic pump repair.