Regular preventive maintenance is the single most effective way to maximize equipment lifespan, reduce operating costs, and prevent unexpected breakdowns. At YAMA Construction, our service team has developed this comprehensive maintenance checklist based on decades of experience servicing heavy equipment across Ethiopia.
Following this schedule can extend equipment life by 30–50% and reduce total cost of ownership significantly.
Daily Pre-Operation Checks (Operator Level)
- Check engine oil level and coolant level.
- Inspect hydraulic fluid level and look for leaks.
- Check fuel level and water separator.
- Inspect tires or tracks for damage and proper pressure.
- Check all lights, signals, and alarms.
- Verify that all safety guards and structures are in place.
- Walk around the machine to check for visible damage or leaks.
- Test brakes, steering, and controls before operation.
Weekly Maintenance
- Grease all pivot points and fittings according to the manufacturer's specifications.
- Check and clean air filter pre-cleaners.
- Inspect belts and hoses for wear, cracking, or looseness.
- Check battery terminals and electrolyte levels.
- Verify tire/wheel lug nut torque.
- Clean the radiator and oil cooler fins.
Monthly Maintenance
- Change engine oil and replace oil filter (or follow manufacturer's hour-based schedule).
- Replace fuel filters.
- Inspect and adjust track tension (for tracked equipment).
- Check all fluid levels transmission, final drives, hydraulic system.
- Inspect exhaust system for leaks or damage.
- Test all safety systems including backup alarms and cameras.
Quarterly Maintenance
- Replace air filters.
- Change hydraulic oil filter.
- Inspect and service the cooling system check coolant concentration and condition.
- Check and adjust valve clearances (if applicable).
- Inspect structural components for cracks or damage.
- Test and calibrate instrument panel and sensors.
Annual / 1,000-Hour Maintenance
- Complete fluid change engine oil, hydraulic oil, transmission oil, coolant.
- Replace all filters oil, fuel, hydraulic, air, coolant.
- Injector service and fuel system calibration.
- Turbocharger inspection and service.
- Complete undercarriage inspection and measurement.
- Electrical system inspection wiring, connectors, alternator, starter.
- Paint touch-up and corrosion protection.
Record Keeping
Maintain detailed records of all maintenance activities, including dates, hours, parts replaced, and observations. This history is invaluable for warranty claims, resale value, and identifying recurring issues. YAMA Construction offers a digital maintenance tracking system for fleet customers.
Why Choose YAMA Construction for Service?
Our factory-trained technicians service all major brands including Caterpillar, Komatsu, Volvo CE, Hitachi, and JCB. With six branches nationwide and a mobile service fleet, we can reach your equipment anywhere in Ethiopia. We also offer preventive maintenance contracts that guarantee scheduled service and priority response.
Contact our service department to schedule your next maintenance appointment or to discuss a customized maintenance plan for your fleet.
