Frequestly Asked Questions:
What are the best maintenance practices for EOT Cranes?
Best practices include:
- Regular lubrication of moving parts.
- Periodic inspection of wire ropes, brakes, and motors.
- Checking alignment of rails and wheels.
- Monitoring electrical components for wear and tear.
- Conducting load testing as per safety regulations.
How often should EOT Cranes be serviced?
It depends on usage, but ideally, EOT cranes should be serviced every 3 to 6 months, with daily pre-operation checks.
What are the common maintenance tasks for an EOT Crane?
- Inspecting and tightening bolts, nuts, and fasteners.
- Checking hoist brakes and limit switches.
- Verifying electrical connections and control panels.
- Cleaning and lubricating bearings and gearboxes.
- Ensuring proper alignment of the crane structure.
What is included in an EOT Crane service package?
A typical service package includes:
- Visual and operational inspections.
- Load testing and calibration.
- Wire rope and hook examination.
- Brake system testing.
- Lubrication and component replacements if necessary.
What is the most common reason for EOT Crane breakdowns?
The most common reasons are:
- Overloading beyond rated capacity.
- Lack of lubrication leading to wear and tear.
- Misalignment of wheels and rails.
- Electrical faults or motor failures.
How can service frequency be determined?
- Load frequency and duty cycle.
- Environmental conditions (dust, humidity, temperature).
- Manufacturer’s guidelines and regulatory compliance.
Various types of Maintenance contract of EOT Cranes ?
- Annual Maintenance Contract (AMC)
- Preventive Maintenance Contract (PMC)
- Breakdown Maintenance Contract (BMC)
- Condition-Based Maintenance Contract (CBM)
- Full-Service Maintenance Contract
- On-Demand Service Contract
How to align the coupling of an EOT Crane?
Coupling alignment steps:
- Measure angular and parallel misalignment using a dial gauge.
- Adjust the motor or gearbox position accordingly.
- Tighten coupling bolts evenly and ensure proper keyway fitting.
- Conduct a test run to check for vibrations.
What are the reasons for gearbox vibrations in EOT Cranes?
- Misalignment of input/output shafts.
- Unbalanced or worn-out gears.
- Loosened mounting bolts.
- Bearing damage or inadequate lubrication.
Why does the gearbox of an EOT Crane create noise?
Noise in the gearbox may be due to:
- Insufficient or degraded lubrication.
- Worn-out or damaged gears.
- Loose or misaligned gear mesh.
- Foreign particles inside the gearbox.
How to rectify span and diagonal issues in an EOT Crane?
Steps for rectification:
- Measure the span at multiple points and compare with design specifications.
- Adjust end carriages and rail placements.
- Verify and correct wheel alignment.
- Perform load testing and structural adjustments if required.
