
Merit Premium Seal Kit for MTB 285 Hydraulic Breakers
Ensure peak hydraulic pressure and zero leakage with the Merit MTB 285 Seal Kit, specifically designed for high-performance hydraulic breakers. In the demanding world of demolition, the integrity of your seal system determines the power and efficiency of every blow. This premium seal kit is engineered to withstand extreme pressure fluctuations and high temperatures, keeping your equipment operational in the toughest environments.
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Product Specifications
| Feature | Details |
|---|---|
| Product Name | Hydraulic Breaker Seal Kit |
| Model Compatibility | MTB 285 |
| Material | High-Grade Polyurethane (PU) & Fluororubber (FKM/Viton) |
| Operating Temp | -40°C to +120°C |
| Function | Prevents oil leaks and maintains internal nitrogen pressure |
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Why Choose the Merit MTB 285 Seal Kit?
The MTB 285 series requires precision-manufactured seals to maintain its heavy-hitting force. Using a Merit premium kit offers several critical advantages:
1. High-Pressure Resistance
Hydraulic breakers generate massive pressure spikes. Our seals are made from reinforced polyurethane that resists “extrusion” and deformation, ensuring the piston maintains maximum impact energy throughout its stroke.
2. Advanced Heat Tolerance
Constant friction creates intense heat within the breaker housing. The Merit MTB 285 kit utilizes heat-stabilized materials that won’t become brittle or melt, preventing sudden seal failure during long work shifts.
3. Complete Rebuild Solution
This kit includes all necessary components for a full service:
- Step Seals: To maintain high-pressure oil film.
- Buffer Seals: To absorb pressure spikes.
- Dust Seals (Wipers): To keep contaminants out of the hydraulic system.
- O-Rings: For static housing and valve connections.
Key Benefits
- OEM Quality: Manufactured to match the exact dimensions and tolerances of original equipment.
- Extended Service Intervals: High-wear resistance reduces the frequency of maintenance.
- Leak Protection: Specifically designed to prevent hydraulic oil seepage, protecting the environment and your bottom line.
Maintenance Tip: When to Reseal?
Waiting for a visible oil leak often means internal damage is already occurring. We recommend installing a new MTB 285 Seal Kit if you notice:
- A decrease in striking power.
- “Sweating” or oil film on the working tool (chisel).
- Abnormal overheating of the hydraulic oil.
Pro Tip: Always lubricate seals with clean hydraulic oil during installation to prevent “dry start” damage.


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