j 1175 jaw crusher user manual
J 1175 Jaw Crusher User Manual – Comprehensive Guide
The Finlay J 1175 jaw crusher is a high-performance, mobile crushing machine designed for primary crushing applications. This user manual provides detailed instructions for safe operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your equipment.
Safety Precautions
Before operating the J 1175 jaw crusher, review all safety guidelines:
- Always wear appropriate personal protective equipment (PPE), including gloves, safety glasses, and hearing protection.
- Ensure the crusher is on stable ground before starting operations.
- Never attempt to clear blockages while the machine is running. Always isolate power before performing maintenance.
- Keep bystanders at a safe distance during operation.
Machine Overview
The J 1175 features a robust jaw chamber with hydraulic adjustment settings for precise control over product sizing. Key components include:
- Hopper & Feeder: Designed for efficient material intake with optional hydraulically folding sides for transport convenience.
- Jaw Chamber: Equipped with a 1,100mm x 750mm (44” x 29”) single-toggle jaw crusher for high production rates.
- Engine: Powered by a fuel-efficient Tier 4 Final/Stage IV compliant Scania DC9 engine (257 kW / 350 hp).
Operating Instructions
1. Pre-Start Checks: Verify fluid levels (hydraulic oil, engine coolant), inspect belts for wear, and ensure all guards are securely in place.
2. Starting Procedure: Engage the parking brake, start the engine, and allow it to warm up before feeding material into the hopper.
3. Material Feeding: Load material evenly to avoid uneven wear on jaw plates and maximize crushing efficiency. Adjust the CSS (Closed Side Setting) as needed using the hydraulic controls.
Maintenance Schedule
Regular maintenance ensures peak performance:
- Daily: Check oil levels, inspect wear parts (jaw plates), and clean dust from radiators and coolers.
- Weekly: Lubricate bearings and inspect hydraulic hoses for leaks or damage.
- Monthly: Replace filters (fuel, air, hydraulic) as recommended by the manufacturer.
Troubleshooting Common Issues
If the J 1175 experiences problems:
- Excessive Vibration: Check for uneven feed or worn bearings/jaw plates. Ensure proper belt