During the daily maintenance of the 4WD off-road forklift, the engine oil needs to be changed regularly. When should the engine oil be changed?
On the one hand, you can determine when to replace the forklift according to the working time of the forklift.
On the other hand, the oil change period is 3-6 months.
Finally, regularly check whether the engine oil is deteriorated.
What are the methods to check whether the engine oil of 4WD off-road forklift needs to be changed
- Smell method: take out the oil dipstick and smell it close to your nose. If there is strong sour smell, it indicates that the oil has deteriorated and should be replaced.
- Hand twisting method: grind the taken out old engine oil repeatedly with the thumb and index finger. The quality / quantity / good hand feel has lubricity, less wear debris and no friction. If you feel impurities, poor viscosity or even astringency, you should replace them.
- Color discrimination method: take a clean white filter test paper (quality / quantity / good tissue paper) and drop some old engine oil on the paper. After the oil leaks, the engine oil with good quality is free of powder, dry and smooth with hands, and the wetting zone is clear. It is dark black brown with impurities. It should be more
- Light method: take out the oil dipstick and lift it up to 45 degrees. Observe the oil drops under the light. It can be seen clearly that there is no wear debris in the oil drops. If there is much wear debris, it should be replaced.