I have the same parts cleaner as you do. In fact I had the same questions in this forum. (see Cleaning fluid) That being said, I started using Mineral Spirits as recommended by this forum.
It works fairly good, but you will still need to use some brake or carb cleaner on the stubborn spots. By the way Mineral Spirits wont harm the pump, and it is combustable not flammable. I just make sure to have some ventilation while using. I almost bought the same cleaner you have pictured. Until I read the caution label on the back that states it is damaging to aluminum.
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