A.修理密封端面B.壓緊緊固螺母C.更換球面D.更換密封端面
A.適當(dāng)補(bǔ)充潤(rùn)滑脂B.適當(dāng)補(bǔ)充液壓油C.手動(dòng)回油排盡介質(zhì)D.氣動(dòng)回油排盡介質(zhì)
A.過濾液體介質(zhì)B.降低油溫C.修理密封圈D.更換密封圈
