故障三：螺杆旋转困难，运行时泵内产生不正常的机械摩擦声，甚至发生螺杆"咬死"现象
1、泵内滑动轴承或螺杆螺旋段内的间隙中卡有介质
清除杂质，并检查过滤器是否损坏，必要时修理甚至更换磨损零件
2、螺杆螺旋面已经损坏
更换磨损的螺杆
3、滚动轴承配合松动或已磨损造成主动螺杆和螺杆衬套的同轴度超差或无法正常运转
更换轴承
4、推力轴承磨损
检查进入推力轴承的油路是否被垫片或杂质堵塞，清除或清除进入推力轴承的杂质，更换磨损的推力轴承
5、螺杆衬套与泵体的配合松动或位置发生变动
重新装配，调整好位置
6、联轴器与主动螺杆的同轴度超差
调整好同轴度
HSN280系列三螺杆泵型号
HSNH280-43
HSNH280-43N
HSNH280-43Z
HSNH280-43W1
HSNH280-43NZ
HSNH280-43W1Z
HSNH280-46
HSNH280-46N
HSNH280-46Z
HSNH280-46W1
HSNH280-46NZ
HSNH280-46W1Z
HSNH280-54
HSNH280-54N
HSNH280-54Z
HSNH280-54W1
HSNH280-54NZ
HSNH280-54W1Z
---
HSNS280-43
HSNS280-43N
HSNS280-43Z
HSNS280-43W1
HSNS280-43NZ
HSNS280-43W1Z
HSNS280-46
HSNS280-46N
HSNS280-46Z
HSNS280-46W1
HSNS280-46NZ
HSNS280-46W1Z
HSNS280-54
HSNS280-54N
HSNS280-54Z
HSNS280-54W1
HSNS280-54NZ
HSNS280-54W1Z
---
HSNF280-43
HSNF280-43N
HSNF280-43Z
HSNF280-43W1
HSNF280-43NZ
HSNF280-43W1Z
HSNF280-46
HSNF280-46N
HSNF280-46Z
HSNF280-46W1
HSNF280-46NZ
HSNF280-46W1Z
HSNF280-54
HSNF280-54N
HSNF280-54Z
HSNF280-54W1
HSNF280-54NZ
HSNF280-54W1Z
HSNH系列三螺杆泵常规型号：
HSNH40-38 HSNH40-46 HSNH40-54 HSNH80-36 HSNH80-42
HSNH80-46 HSNH80-54 HSNHnbsp; HSNHnbsp; HSNH120-51
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNH280-43
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNH440-52
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNH660-51
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp;
HSNHnbsp; HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNH
HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNHnbsp;
HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNHnbsp;
HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNH
