Truck and Tractor Preventive Maintenance Every 120 Days

The purpose of this checklist is to maintain optimal condition of trucks and tractors, preventing failures and extending their operational lifespan through regular, comprehensive maintenance every 120 days.

Benefits

• Reduced Downtime: Keeps vehicles operational with minimal unexpected breakdowns.
• Cost Savings: Early problem detection and maintenance prevent costly future repairs.
• Enhanced Safety: Regular checks improve safety by maintaining critical components like brakes and tires.
• Prolonged Vehicle Life: Regular maintenance extends the usable life of the vehicle.
• Compliance: Ensures vehicles meet safety and operational standards set by regulations.

Overview

This preventive maintenance schedule covers essential inspections and services to ensure trucks and tractors are in excellent working order for safe and efficient operation.

Checklist Details

Engine and Transmission

• Change engine oil and filter to protect engine components.
• Check and top up all necessary fluids including transmission, coolant, brake, and steering fluids.
• Replace air filter if necessary to ensure clean air intake.

Tires, Wheels, and Brakes

• Inspect tires for proper pressure and tread wear. Rotate or replace as required.
• Inspect the brake system, including pads and fluids, and perform necessary maintenance.
• Check wheel alignment to ensure proper vehicle handling.

Electrical Systems

• Test battery and ensure terminals are clean and secure.
• Ensure all vehicle lights and indicators are functioning properly.

Hydraulic and Cooling Systems

• Inspect hydraulic systems for leaks and wear, replacing parts as needed.
• Check the cooling system, including radiator and coolant levels.

Structural and Safety Inspection

• Examine the frame and chassis for structural integrity.
• Ensure all safety equipment, including fire extinguishers and emergency brakes, are operational.

Cabin and Controls

• Check cabin controls and gauges for proper operation.
• Verify HVAC system functionality for driver comfort.

Documentation and Compliance

• Update maintenance records with all inspection details.
• Ensure all necessary regulatory documents are current and in the vehicle.

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FAQs: 120-Day Truck and Tractor Preventive Maintenance

FAQ 1: Why is it important to change the engine oil and filter every 120 days?

Answer: Changing the engine oil and filter every 120 days is crucial for maintaining engine health. Fresh oil lubricates the engine parts effectively, reducing friction and wear, while a clean filter helps to remove contaminants from the oil, protecting the engine and improving its efficiency and lifespan.

FAQ 2: What are the signs that tires need to be replaced rather than just rotated?

Answer: Tires should be replaced if they show signs of significant wear, such as tread depth below the legal safety limit, visible cracks, bulges, or damage to the sidewalls. Rotation can help even out normal wear but cannot fix these issues.

FAQ 3: How can I tell if the hydraulic system of my truck or tractor needs service?

Answer: Signs that the hydraulic system needs service include visible fluid leaks, lower fluid levels, a decrease in system pressure, slow or unresponsive hydraulic functions, and any unusual noises during operation. Regular checks help catch these issues early, preventing more severe damage.

FAQ 4: Why is wheel alignment important for my truck or tractor?

Answer: Proper wheel alignment is essential for ensuring that the vehicle drives straight, which helps reduce tire wear and improve fuel efficiency. Misalignment can cause uneven tire wear, handling problems, and increased strain on the vehicle's suspension components.

FAQ 5: What should I include in my vehicle's emergency kit?

Answer: Your vehicle’s emergency kit should include items like a fire extinguisher, warning triangles, a first aid kit, tools for basic repairs, extra fuses, and emergency contact numbers. These items can be crucial in case of breakdowns or accidents, ensuring safety and the ability to perform minor repairs on the spot.