When the amount of oil in the stacker is insufficient, what should be used to supplement the oil?

When the oil levels in a stacker are low, it is crucial to supplement it with the same brand and engine oil number. This approach ensures compatibility with the existing oil in the system, which helps maintain the performance and efficiency of the machinery. Using the same specifications prevents potential chemical reactions that could occur with different oil types or brands, which may lead to issues such as sludge formation, poor lubrication, or even system failure.

Maintaining the same brand and engine oil number also means that the additive chemistry is consistent throughout the lubrication system, ensuring optimal protection against wear and tear on the engine components. This practice is vital in preventing breakdowns and extending the life of the equipment, contributing to overall operational efficiency and cost-effectiveness.

In contrast, the other options might lead to various problems. For instance, using any available oil could introduce incompatible substances or additives, potentially causing damage. Relying solely on synthetic oil or a water-based oil could also create compatibility issues with the existing oil, potentially harming the system and affecting its performance. Thus, adhering to the guideline of using the same brand and engine oil number is the best practice to maintain the stacker's operational integrity.