Great amount of oil foam covering the oil in the gearbox

产生大量油沫

·Leakage of suction pipe(air intake)

进气管漏气

·Residues of anticorrosive agents incompatible with the gear oil used

防腐剂的残渣与齿轮箱不相容

·Retighten screw of flange connections. If necessary, a leakage detector is to be used(high-frequency noise)

重新紧固螺纹和法兰连接，必要时可以使用漏油检测器（噪音频率很高）

·Carry out an overall oil change. Flush the system

进行一次彻底的冲洗、换油

·Use another type of oil

采用另一种型号的油

·Add foam depressant, however only after having conferred with the oil producer.

添加抑泡剂，添加之前必须和润滑油的生产厂家进行协商

·Oil polluted with foreign substance(in particular chemical substances)

油被杂质（尤其化学物品）污染

·Infrared spectral analysis to be made by oil producer or a qualified laboratory and then proceed as recommended

请润滑油的生产厂家或有资料的实验室进行红外形光谱分析，然后根据他们的意见进行处理

·Oil has excessively aged

润滑油使用太久

·carry out an oil change

换油

Oil is getting darker

油变黑

·Oil has excessively aged

使用太久

·Carry out an oil change. It is recommended to have an analysis made beforehand

换油，最好再换油前经过分析

Oil looks "milky"

油变成乳状

·Water is oil(dispersed)

油含有水分

·Carry out an oil change. Find out and eliminate the cause of water presence

换油，找出渗水的原因并排除

Oil leakage at the shaft passages

轴隙漏油

·Oil level too high

油位太高

·Reduce oil level to value as specified

将油位降低到规定的位置

·Oil return pipe narrowed down by deposits 回油管因沉淀物而变窄

·Check oil return pipe for free passage and clean them, id necessary

检查回油管是否畅通并进行清理

Oil leakage at the shaft passages

轴隙漏油

·Defective seals

密封问题

·Remove seals and replace them

更换密封圈

·Oil temperature too low

油位太低

·Check temperatures and increase them, as necessary 检查油温，按照需要升温

·Check heater function

检查加热功能

Other leakage

其他部位漏油

·Leakage at:

漏油位置

  - Pipe joints 管接头

  - Connections 连接件

  - Fittings 配件

·Retighten screw or flange connections replace seals if necessary重新紧固螺纹或法兰连接，必要时更换密封圈

·Seal or replace fittings

密封或更换配件

Differential pressure at oil flow filter too high

油过滤压差太高

·Filter clogged with: Rubbed-off particles from bearings and/or gear teeth or from the oil pump itself

过滤器阻塞：轴承、齿轮或油泵内部摩擦产生的金属屑

·Clean filter or insert new filter element. If there are mainly metallic particles retained in the filter, have an analysis of the components made

检查清理过滤器并更换过滤网，如今杂质应分析其成分

·Foreign matter introduced during an oil change or filter change

换油或更换过滤时带入杂质

·Review maintenance procedure

检查维护过程

·Oil components resulting from aging and taken in from the oil sump

油老化或沉淀引起成分上的改变

·Oil change to be carried out more frequently. Thoroughly flush the gearbox and the lubricating system.

缩短换油周期，彻底冲洗齿轮箱和润滑系统

·Dirt and loose deposits from pipes and oil cooler

油冷却器和管道的积留物

·Clean the filter or insert a new filter element. Clean oil cooler, if necessary

清洗或更换过滤器，必要时清洗油冷却器

Oil too cold or basic viscosity of oil too high

油温太低或年度太大

·Use oil with the prescribed viscosity

使用适当粘度的油

·Overflow value stuck(damaged)

溢流阀损坏

·Check value and readjust or replace, as necessary

根据需要检查阀门并重新调节或更换

Oil pressure too low

油压太低

·Oil filter clogged

油过滤器堵塞

·Clean oil filter

清洗油过滤器

·Lube oil temperature too high (sump temperature)

润滑油温度太高

·Check oil cooler

检查冷却器

·Check cooling water  flow/quantity/temperature and, clean oil cooler on water side.

检查冷却水的流量、温度等，必要时清理油冷却器通水的那一段

·Viscosity of oil is not in accordance with specification

油的粘度不符合规格

·Use oil with correct viscosity

使用粘度合适的润滑油

·Wear of oil pump, i.e. Reduced flow rate

油泵磨损，流速降低

·Dismantle pump and check. Replace pump parts or the whole pump, as necessary

拆卸油泵并进行检查，必要时更换其零件或整个油泵

Oil temperature too low

油温太低

·Cooling water quantity too great

冷却水的量太大

·Cooling water controller defective

冷却水控制器故障

·Check function of cooling water controller and replace, if necessary

检查冷却水控制器，必要时更换

Oil temperature too high

油温太高

·Insufficient cooling water quantity/flow

冷却水量不足或流速太低

·Cooling water temperature too high

冷却水温度过高

·Defective cooling water control value

冷却水控制阀门故障

·Oil heat exchanger dirty

热交换器有污积

·Extreme ambient temperature

环境温度过高

·Check cooling water circuit for the defects described

检查冷却水循环系统

·Eliminate the primary causes. Clean the devices concerned or install a new one, as necessary. Check the measuring system

排除主要故障，清洗相关设备，必要时可更换新的，检查测量系统

Increasing deterioration in the vibrational behaviour of the gearbox 传动箱的振动加剧

·Change in the alignment between main drive motor and gearbox

主电机和齿轮箱之间的连接不好

·Check alignment of main Drive motor to gearbox with the machine at operating temperature and clutch engaged. Realign, if necessary

在设备运转的时候检查主电机和传动箱之间的连接。必要时进行调节

·Bearing defect or gear teeth defect

轴承或齿轮损坏

·As far as possible, examine through the inspection operating, using an endoscope, if necessary. Replace defective parts, if necessary

配备必要的检查设备，必要时更换损坏部件

·Loose connection to foundation

与底座间的连接松弛

·Check the fastening elements and retighten them, if necessary(take in to account a possible change in alignment)

检查紧固元件并重新紧固，必要时考虑排列上的移动

·Ingress of external vibrations in the gearbox, via the foundation

外界振动通过机座传入传动箱

·In general, this can be determined only by a vibration or frequency analysis

通常可以通过振动的频率来判断问题的原因

Knock

震动

·Gear-teeth or bearing defect

齿轮的齿或轴承损坏

·If necessary, visual check of rotating parts through the inspection openings in the gearbox.

通过齿轮箱上的视察口检查旋转部件

·Oil analysis (spectroscopic method). In particular, check the composition of rubbed-off metallic particles retained in the filter(alloying constituents) to determine their origin. Replace defective parts, as necessary

分析油的成分（通过光谱分析的方法） 要特别注意残留在过滤器上的金属屑的组成，进而确定他们的来源，必要时更换有缺陷的部件

·Noise transmitted from the processing section, e.g. "knocking" of the kneading block in the plasticizing zone, due to insufficient plastification

从加工段传递过来的噪音，比如：塑化段的啮合快因塑化不完全产生噪音

·This occurs usually if a greater amount of pellets or flake is mixed in. Increase the barrel temperatures before and in the plasticizing zone. Check whether the screw configuration is suitable.

这种情况通常发生在有大量颗粒或拨片混合在一起的时候，它可能造成筒体温度升高。检查螺杆元件的组合是否合适

·Speed pulsations in frequency-controlled variable-speed motor(if provided)

电机为变频调速

·Confer with a specialist for motor control. In any case, pulsations are to be eliminated/reduced

请教电机控制方面的专家，减小振动

Elevated oil temperature

温度提高

·Oil level is too high

油位太高

·Oil is too old

油使用时间太长

·Oil is very dirty

油很脏

·Cooling is insufficient

冷却不充分

·Cooling water flow rate is inadequate

冷却水流量不足

·Oil pump is faulty

油泵故障

·Check oil level and adjust

检查油位并调节

·Check when the oil was last changed and if necessary have the oil analyzed and change the oil

检查上次换油时间，如果需要对油进行分析和换油

·Change the oil

换油

·Check the cooling system feed and return, if necessary increase the cooling(higher flow of cooling water, lower, temperature)

检查冷却系统输入和输出，如果需要增强冷却（提高水流量，降低冷却水温度）

·Check the feed and return, check oil filter or replace

检查润滑油输入/输出，清洁油过滤器或更换

·Check pump, if necessary replace

检查油泵，如果需要进行更换

Elevated bearing temperature

轴承温升

·Oil is too low

油位太低

·Oil is too old

油使用时间过长

·Bearing faulty

轴承故障

·Oil pump faulty、

油泵故障

·Check oil level and adjust

检查油位并调节

·Check when the oil was last changed and if necessary have the oil analyzed and change the oil

检查上次换油时间，如果需要对油进行分析和换油

·Seek advice from KTE after sales service

惠州星洲塑机售后服务联系咨询

·Check pump, if necessary replace

检查油泵，如需要应更换

Noises

噪声

·Bearing or gear damage

轴承或齿轮损坏

·Inadequate fastening to the foundation

基础未紧固

·Seek advice from KTE after sales service

惠州星洲塑机售后服务联系咨询

·Re-tighten bolts, if necessary replace

重新紧固螺钉，如果需要进行更换

Leaks

泄漏

·Inadequate sealing

密封不良

·Check radial shaft seals and other seals, if necessary replace, renew sealing of joints(on this topic seek advice from KTE after sales service)

检查轴向密封和其他密封，如果需要进行更换，更换结合处密封（同惠州星洲塑机公司售后服务联系）

Water in the oil

油中有水

·Oil cooler faulty

油冷却器故障

·Condensed water

冷凝水

·Repair/replace oil cooler

维修/更换冷却器

·Fit suitable thermal insulation, close vent, moist air filter

安装适当隔热装置，关闭排气，空气过滤器

Elevated quantity of particles in the oil

油中颗粒物增加

·Bearing or gear damage or faulty oil pump

轴承或齿轮损坏或油泵故障

·Seek advice from KTE after sales service

惠州星洲塑机服务部门联系

Oil foaming

油起泡沫

·Oil incompatible with oil residue

油型号不同产生油渣

·Change the oil

换油

·Operating temperature too low

运行温度太低

·Water in the oil

油中有水

·Shut down plant, leave oil to de-gas, pre-heat oil to operating temperature(if necessary shut off cooling water feed briefly)

关闭设备，让润滑油处于排气，预热至操作温度（如果需要，短暂关闭冷却水分析油质量，如果需要进行换油）