Use strictly Hilti-specified gear oil. Standard motor oil or generic lubricants will degrade the internal O-rings and cause total tool failure. Carbon Brush Replacement
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Two gears allow for optimized speed and power. A two-stage switch allows for selecting full or 50% impact energy. Use strictly Hilti-specified gear oil
Operational Best Practices, Technical Specifications, and Maintenance Guide Model: Hilti TE 55 (TE 55-ATC / TE 55-C) A two-stage switch allows for selecting full or
Hilti TE 55 is a legacy, high-performance rotary hammer built for heavy-duty drilling and chiseling in concrete and masonry
According to service manual insights and user experiences, focus on these areas to keep the TE 55 running:
Using the factory-provided manual prevents costly operational mistakes and protects your investment.