R.The ways lubrication pump is coupled to the hub of the main pump sheave. But both pumps are driven by the same motor. This pump has a strainer.
1.What is the function of the ways?
It's impossible to be sure; this is not a complete sentence.
It possibly a paragraph heading meaning "Here are the ways that the lubrication pump is coupled to the hub:"
2.Which is this pump? I don't think the description is clear.
You're right. It's not clear. This is typical of many Chinese, Japanese and Korean instruction manuals written in English.
It will give me much pleasure to hear you!
Student or Learner