Equipment Series
Metso Nordberg C Series Jaw Crushers
METSO · Part Details
Discharge-Setting Wedges
CSS Adjustment Wedge
Identify parts for Metso jaw crushers, check models and drawing numbers, confirm materials and processes, and submit an inquiry.
Equipment, Models and Part Numbers
The CSS adjustment system moves paired wedges to change the pitman position and discharge setting. Metso C Series machines use mechanical or hydraulic wedge adjustment. Confirm the listed part references against the installed adjustment assembly.
Applicable Models
C80, C96, C100, C106, C110, C120, C125, C130, C140, C150, C200, C3054
Part Type
CSS adjustment wedge
Part identification
Metso equipment and part specifications
CSS adjustment wedge and assembly part numbers
| Model | Part Number | Description |
|---|---|---|
| C80 | 902958 | MECHANIC WEDGE ADJUSTMENT,C80 |
| C80 | 902590 | WEDGE PAIR,C80 |
| C80 | 922733 | HYDRAULIC WEDGE ADJUSTMENT,C80 |
| C80 | 906563 | WEDGE PAIR,C80 |
| C100 | 206558 | MECH. WEDGE ADJ. |
| C100 | 949630787900 | WEDGE PAIR |
| C100 | 321297 | Wedge pair |
| C125 | 261521 | MECHANIC WEDGE ADJUSTMENT |
| C125 | 949638392700 | WEDGE PAIR |
| C140 | MM0201139 | MECHANIC WEDGE ADJUSTMENT |
| C140 | 319144 | WEDGE PAIR |
| C140 | 948603 | Wedge Pair |
| C106 | MM0215275 | MECHANIC WEDGE ADJUSTMENT ASSY,C106 |
| C106 | 590808 | WEDGE PAIR,C106,C116 |
| C120 | MM0524152 | HYDRAULIC WEDGE ADJUSTMENT,C120 |
| C120 | MM0519502 | WEDGE PAIR,C120 |
| C150 | MM1031513 | HYDRAULIC WEDGE ADJUSTMENT,C150 |
Part numbers are identification references for Metso Nordberg C Series machines. Confirm the equipment nameplate, serial number and drawing before ordering.
Materials and Processes
Review the following CSS adjustment wedge material and process information when assessing specifications and alternatives.
Alloy Cast Steel
Adjustment wedges must balance support strength, contact-wear resistance and toughness. Verify material, heat treatment and hardness against the model-specific part drawing.
Mechanical and hydraulic adjustment
Mechanical adjustment uses a manually driven screw. Hydraulic adjustment uses a cylinder to move the wedges, simplifying the adjustment procedure.
Wedge assembly
Check the wedge pair, drive screw or hydraulic cylinder and locking hardware against the assembly drawing. Jaw die clamping wedges and CSS adjustment wedges serve different locations and must not be confused by name.
Wear and Replacement Criteria
Use the following CSS adjustment wedge wear patterns and replacement considerations during maintenance.
Main wear zones
Wear on sliding faces and adjustment-screw threads, and deformation of the wedge faces.
Replacement Criteria
Sliding-face wear preventing secure adjustment, pronounced grooves or deformation on wedge faces, or hydraulic-cylinder leakage.
Recommended Actions
Inspect wedge sliding faces regularly, maintain the specified lubrication and confirm secure locking after changing the discharge setting.
Information Needed for an Inquiry
Equipment model, such as C150; part number; mechanical or hydraulic adjustment; moving or fixed wedge position; and quantity.