Rotary drilling rigs are essential equipment in infrastructure construction. During spring and autumn, fluctuating temperatures and increased dust exposure can accelerate wear and reduce equipment efficiency. Proper maintenance is critical to ensuring stable operation and extending service life. This guide highlights key maintenance practices for the engine, fuel system, transmission, travel mechanisms, and working components—helping your equipment perform reliably in challenging seasonal conditions.     1. Engine & Fuel System (Power Core) The engine is the heart of the machine, while the fuel system ensures consistent power delivery. Seasonal adjustments and cleanliness are essential to avoid power loss and overheating. Tips: Engine Oil & Filters:Use 15W-40 oil in spring, and adjust to 10W-30 or 15W-40 in autumn depending on ambient temperature. Replace engine oil and fuel filters regularly.Check oil level and condition—replace immediately if contamination, emulsificat

Learn how to inspect and maintain wheel loaders and excavators in high-temperature environments, including engine overheating checks, air-conditioning maintenance, and troubleshooting tips for construction machinery.

Engine overcooling in winter can reduce power and shorten equipment lifespan. This maintenance guide explains common winter mistakes, their consequences, and correct practices such as installing insulation covers and checking thermostats to protect diesel engines in cold weather.

SANY’s mining excavator services continue to earn global praise as overseas service engineers deliver fast response, technical excellence, and reliable support in challenging environments. Backed by a worldwide service and spare parts network, SANY strengthens customer trust and sets a benchmark for Chinese construction machinery brands in global markets.

A clear guide to checking and adjusting excavator belt tension, covering inspection methods, proper tension measurement, and step-by-step adjustment procedures to prevent overheating and ensure reliable engine performance.

Learn how to properly use and maintain your excavator’s air conditioning system in summer for improved cooling, performance, and fuel efficiency.

Learn best practices for long-term wheel loader storage. From site selection and parking procedures to system checks and periodic maintenance, these guidelines prevent rust, protect hydraulic systems, and ensure reliable performance when equipment returns to service.

Discover common issues in the SANY concrete pump HBC remote control system. Learn practical troubleshooting tips for power, signal, button, and system failures to ensure safe, efficient, and reliable concrete pumping operations.

Learn how to operate an excavator efficiently with practical fuel-saving tips, expert operator techniques, and maintenance strategies to reduce fuel consumption and boost job site productivity.