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Key Maintenance Guide for Model 735 (3T5 Series) – Extend Equipment Life with This Guide!

Key Maintenance Guide for Model 735 (3T5 Series) – Extend Equipment Life with This Guide!

por Amy 19 Nov 2025 0 comentários
Key Maintenance Guide for Model 735 (3T5 Series) – Extend Equipment Life with This Guide!

For those who rely on Model 735 (3T5 Series) for operations, scientific regular maintenance is the core to ensuring stable equipment operation and reducing failure risks. After all, only when the equipment is "in good health" can production efficiency be maximized!

Today, we have compiled this ultra-practical maintenance key points for Model 735 (3T5 Series). Save it so you don’t have to flip through thick manuals anymore!


Maintenance priorities vary with different operating hours, and you can accurately control them according to actual usage:

 

Every 5,000 Hours: Basic Filter Replacement

At this point, focus on replacing the 378-3178 Diesel Exhaust Fluid (DEF) filter element. Timely replacement of aged filters can effectively filter impurities, ensure smooth operation of the exhaust system, and reduce potential subsequent failures.

Every 6,000 Hours: In-depth Maintenance of Cooling System

The cooling system is the "heat dissipation barrier" of the equipment, and comprehensive upgrades are required at this node: Replace 83 liters of ELC coolant, match it with 73 ounces (2.15 liters) of coolant extender, and replace 2 units of 248-5513 thermostats/water temperature regulators. Remember to install the 341-1429 seals as a set to ensure the cooling system is tightly sealed and efficient in heat dissipation.

Every 10,000 Hours: DEF Manifold Filter Replacement

After 10,000 hours of operation, replace 2 units of 506-5818 Diesel Exhaust Fluid (DEF) manifold filter elements to provide more reliable filtration protection for the DEF system and maintain fuel efficiency.

Every 3 Years: Mandatory Inspection and Replacement of Safety Accessories

Safety is of paramount importance! Be sure to replace the 566-5659 cab safety belt every 3 years to ensure the protective performance of the safety belt meets standards and build a solid safety barrier for operators.

Every 12,000 Hours: Secondary Renewal of Cooling System

Replace 83 liters of ELC coolant and 73 ounces (2.15 liters) of coolant extender again to continuously maintain the cooling system in optimal working condition and provide strong support for the equipment's long-term high-load operation.

 


Following the above maintenance cycles and key points keeps Model 735 (3T5 Series) in optimal performance, extends its service life, and cuts operation and maintenance costs.

 

Feel free to share additional maintenance tips in the comments~

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