Pumping action of piston rings
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- Brand: HAKO
- Product Code: 810000211
- Product viewed: 11627
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Pumping action of piston rings
OH-Model Pumping action of piston rings
when moving the pistons to and fro, you can see how the piston rings slide up and down in the grooves if there is too much clearance: Oil is pumped into the combustion chamber. -less clearance and thus a smaller pumping effect is shown on the left side