Restore the original hitting power of your Rammer 9033 with the Merit High-Performance Striking Piston. As the 9033 is one of the most powerful heavy-duty breakers in the Rammer lineup, its piston must withstand astronomical impact forces and thermal stress. The 173350 piston is the heart of the hammer, precision-engineered to convert hydraulic energy into the maximum joules required for primary quarrying and heavy reinforced concrete demolition.
Product Specifications
| Feature | Details |
|---|---|
| Product Name | Striking Piston / Piston / Боёк |
| Part Number | 173350 |
| Compatible Model | Rammer 9033 (Large Range) |
| Material | High-Alloy Nickel-Chrome Steel |
| Finish | Mirror-Polished & Precision Ground |
Export to Sheets
Why Choose the Merit 173350 Piston for Rammer 9033?
A piston for a 7-ton class breaker like the Rammer 9033 cannot be “standard.” Merit pistons are manufactured to handle extreme cycles:
1. Advanced Metallurgy for High Impact
The 173350 is forged from high-nickel alloy steel. This specific composition is chosen for its “fatigue limit”—the ability to endure millions of high-velocity strikes without developing internal micro-fractures that lead to catastrophic piston failure.
2. Ultra-Precision Honing
Any surface imperfection on a piston for the 9033 will destroy a seal kit in hours. Merit pistons are ground to micron-level tolerances and mirror-polished. This ensures a perfect oil film, reducing friction heat and significantly extending the life of your seal carriers and seals.
3. Optimized Striking Face
The “hit zone” of the piston is subjected to specialized induction hardening. This prevents “mushrooming” or deformation of the striking face, ensuring that energy is transferred squarely and efficiently into the chisel every time.
Key Benefits
- Maximum Productivity: Designed to match OEM weight and balance for the highest frequency and impact energy.
- Seal Protection: The mirror-smooth surface finish minimizes abrasive wear on the dynamic seal stack.
- Direct OEM Fit: 100% dimensional accuracy for Rammer part number 173350, ensuring easy installation during a major overhaul.
Maintenance Tip: Preventing Piston Failure
The Rammer 9033 is an investment. To protect your new 173350 piston:
- Monitor Bushing Wear: Never operate with a worn lower bushing. If the tool (chisel) is loose, it causes “offset strikes” where the piston hits the tool at an angle, leading to chipped striking faces and scored cylinder walls.
- Warm-Up Cycles: Always cycle the hammer at low pressure for 5–10 minutes in cold weather to ensure the hydraulic oil is at operating temperature before starting heavy breaking.
- Check Nitrogen Levels: Incorrect gas pressure in the back head can cause the piston to strike with excessive “recoil,” putting unnecessary stress on the internal components.
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