Basic Maintenance for Tanker Semi-Trailers
1. Tank Body & Structure
- ✅ Inspect the tank shell for cracks, dents, corrosion, or leaks
- ✅ Check weld seams and reinforcements for structural integrity
- ✅ Clean the tank interior (especially for food-grade or chemical transport)
2. Valves & Manholes
- ✅ Ensure discharge valves open/close smoothly and seal properly
- ✅ Check manhole covers, gaskets, and seals for wear or leaks
- ✅ Lubricate moving parts and tighten all fittings
3. Piping & Hoses
- ✅ Inspect all hoses and couplings for damage or leaks
- ✅ Check for blockages or residue build-up inside pipes
- ✅ Replace worn or cracked hoses immediately
4. Pump System (if equipped)
- ✅ Test the pump operation and pressure
- ✅ Check for oil leaks or abnormal noise
- ✅ Ensure all filters and strainers are clean
5. Braking & Suspension
- ✅ Check brake linings, air pressure, and responsiveness
- ✅ Drain air tanks regularly to remove moisture
- ✅ Inspect suspension components (airbags, springs, shocks) for wear
6. Tires & Axles
- ✅ Maintain proper tire pressure and tread depth
- ✅ Check for uneven wear or damage
- ✅ Grease wheel bearings and hub assemblies as needed
7. Lighting & Electrical System
- ✅ Confirm all lights, reflectors, and indicators are working
- ✅ Inspect electrical wiring for wear, corrosion, or loose connections
- ✅ Replace any damaged bulbs or fuses promptly
8. Safety Equipment
- ✅ Ensure fire extinguisher, emergency shut-off, spill kits, and signage are in place and functional
- ✅ Verify that safety decals and hazard placards are correct and visible
? Tip:
Maintain a detailed service record, perform daily pre-trip inspections, and follow industry-specific safety regulations (e.g., ADR, DOT, or local standards).
