Hydraulic vs. Shim-Adjust Jaw Crushers: Which Is Right For …
What is a shim-adjust Jaw Crusher? Shim-adjust Jaw Crushers feature shim plates to maintain the closed-side setting. The shims are located behind the swing jaw as part of the adjustment system, which also includes a hydraulic ram, slide beam with locking wedge, wedge-locking tool, and an on-board hydraulic and electrical system.