|
序号
ITEM |
故障现象
Problem |
原因分析
Reason |
排除方法
How to fix
|
|
1 |
旋转与预定方向相反
Opposite direction
Of rotation |
配油盘装反
The distributor are installed in opposite direction |
拆下并取出配油盘，旋转180度后装入
Disassemble the rotary and assemble it again
After revoving 180 degrees |
|
2 |
转速下降运转不正常，
输出扭矩下降。
Abnormal operation,
Speed and output torque
decreased |
1. 系统其他部分毛病
Other system problem
|
检查系统，并排除。
Check the system and solve the problem. |
|
2. 马达严重外泄露
serious leakage |
1. 检查通油盘与壳体之间接触面
Check the joint surfasce of the distributor and the motor bady.
2. 检查各零件之间的接合的密封件
Check all the seals.
3. 检查液压油的粘度和工作油温
Check the viscosity and working temperature
Of the hydraulic oil.
4. 各运动付零件的磨损情况
Check the abrasion of moving parts. |
|
3. 马达内泄露大
High internal leakage |
1. 检查配油盘密封环磨损情况
Check the abrasion of the slipper rings on the rotary
2. 检查通油盘磨损情况，铸件进出油口油腔通道是否串通
Check the abrasion of the rotary and if the input and Output ports are connected |
|
3 |
马达不转且压力上不去
Motor won’t running
And pressure don’t increase |
1. 系统其他部分毛病
Other system problem
2. 双头键折断
Driver pin broken |
1. 检查系统，并排除
Check the system and solve the problem
2. 拆卸通油盘，更换零件
Disassemble the distributor,rotary and change the drive pin. |
|
4 |
马达不转而压力升高
Motor won’t running but
Prassure increase
|
1. 马达内部某运动付互相咬住
Keying of some moving parts inside
2. 载超过设定值
Load force are higher than the settled value |
拆开检查，更换零件
Disassemble the motor and change the moving parts |
|
5 |
柱塞套或通油盘漏油或其他月壳体接触面漏油`输出轴端面漏油
Leakage from the cylinder,distributor,other joint surface with the motor body,or the end face of the output shaft |
1. 铸件砂眼
Sand holes of the casting |
更换铸件
Change the casting |
|
2. 该处橡胶密封圈损坏或老化
Rubber seats damaged |
更换橡胶密封圈
Change the rubber seals |
|
3 |
3.1 油封损坏或其弹簧脱落老化
Shaft seal broken or its spring drop out or ageing |
3.1 更换油封
Change the shaft seal
3.2 调整间隙，或更换轴承
Adjust the match gap or change the bearing |
|
3.2 轴承磨损，出轴跳动大
Abrasion of the bearing or big jump of the shaft |
|
6 |
噪声异常
Abnormal noise |
1. 连杆与轴承套相咬或损坏
The rod and the bearing keying or damaged.
2. 卡环断裂，轴承咬死
The retaining ring broken and the bearing keying
3. 联轴器不同心
The shaft coupling are not concentric
To the base
4. 外部振动
Outside vibration
5. 其它液压系统躁音
Noise from other hydraulic system |
1. 更换零件，检查推力座上轴承是否损坏和间隙，并修正
Change the rod of the bearing,adjust the match gap of the bearing
2. 检查与马达相连两猛轴器的同轴度，并校正
Check the shaft coupling.Adjust and make the shaft coupling and the motor coaxial
3. 校正同轴度
Correct to be coaxialy linked
4. 采取防震措施
Take anti-vibration measurements
5. 检查系统，并排除
Check other hydraulic system and solve the problem |
|
7 |
温升太快
Overheat |
1. 系统冷却不够
System cooler is not enough
2. 主要零件磨损严重
Serious abrasion of the main parts |
1. 检查、改善
Check and improe it
2. 同故障4中排除方法
Disassemble the motor and change the parts |
