Hydraulic breakers operate under extreme impact loading—each blow delivers 500-5,000 joules depending on breaker class. Proper maintenance prevents premature failure of accumulator, piston, tool bushing, and chisel.
Nitrogen Accumulator Recharge
Nitrogen accumulator recharge is the most common maintenance task. Accumulator pressure (typically 16-18 bar for medium breakers) provides the energy cushion for piston rebound. Low nitrogen causes cavitation damage and reduced impact energy. Recharge requires nitrogen bottle, regulator gauge, and accumulator charging kit.
Chisel and Bushing Maintenance
Chisel (tool) replacement when wear reaches limits prevents mushrooming and piston damage. Tool bushing inspection at 100-hour intervals prevents slop that causes misalignment and seal failure. Grease application (every 2 hours operation) prevents bushing seizure.
Support Equipment
The Hydraulic Breaker provides replaceable bushings and tools. The Quick Coupler enables fast breaker attachment. The CBK Crimper builds replacement hoses. Nylon Hose Sleeve protects hydraulic lines. The Hydraulic Oil Filter Press maintains clean hydraulic oil.
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