730 EJ Model (3T4 Series) Maintenance Guide: Periodic Care for Sustained Efficiency
Hourly Maintenance: Control Wear, Prevent Failures
Operating hours are key for maintenance cycles. Targeted care is needed based on varying component wear over time.
4,000 Hours: Replace with 199L HYDO TO10 oil at 4,000 hours. Its excellent anti-wear and thermal stability suits harsh conditions and protects core engine parts.
5,000 Hours: Replace 378-3178 DEF filter at 5,000 hours. Check seal tightness post-replacement to prevent leaks.
6,000 Hours: Replace 83L ELC long-life coolant + 73oz (2.15L) extender; change 2x 248-5513 thermostats with 341-1429 seals. Ensure proper installation and sealing.
10,000 Hours: Replace 2x 506-5818 DEF manifold filters at 10,000 hours to ensure SCR efficiency.
12,000 Hours: Replace 83L ELC coolant + 73oz extender at 12,000 hours to remove impurities and restore heat dissipation.
3 years: Replace 566-5659 cab safety belt every 3 years to ensure reliable locking and operator safety.
Conclusion: Scientific Maintenance is Key
730 EJ (3T4 Series) maintenance affects performance and safety. Managers and operators must follow schedules and standardize operations.
This reduces failures, cuts costs, extends lifespan and ensures efficient operation. Precise maintenance is an investment in efficiency and safety!



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