One-stop supplier of mining equipment spare parts
One-stop supplier of mining equipment spare parts
Daily Maintenance of Mining Loaders
2026-04-14
Inspect the entire machine’s frame, boom, bucket, and rocker arm for cracks, weld failures, or deformation; ensure all hinge pins and bushings show no severe wear or looseness, and that all grease fittings are present and unobstructed. Verify that engine oil, coolant, hydraulic fluid, transmission fluid, and brake fluid levels are normal, with no emulsification, darkening, or shortages, and confirm there are no leaks of oil, water, or air throughout the machine. Check tire pressure and tread condition, ensuring rims and bolts are securely tightened with no signs of loosening. For underground models, pay particular attention to explosion-proof electrical components, cables, and junction boxes—ensuring no exposed insulation or loss of explosion-proof integrity, and that grounding is intact. Test the braking and steering systems for responsiveness and reliability, confirming proper pedal travel and no wandering or sticking. Confirm that lights, horns, reverse‑warning devices, and emergency stop mechanisms are functioning properly. During operation, continuously monitor engine coolant temperature, oil pressure, hydraulic fluid temperature, and transmission temperature to ensure they remain within specified limits, with no high‑temperature alarms. Listen for any unusual noises or excessive vibrations, and verify that the work equipment lifts and tilts smoothly without jamming or erratic movement. Dynamically inspect hydraulic lines, cylinders, and joints for leaks, and ensure the braking system responds promptly. Observe exhaust smoke color, confirming it is normal—no black, blue, or white smoke indicates abnormal conditions. If any unusual noises, leaks, or temperature anomalies are detected during operation, immediately shut down the machine for inspection; operating with known issues is strictly prohibited. Thoroughly clean the machine body, radiator, cab, and bucket, removing accumulated coal dust, rock debris, and oil contamination. Lubricate all hinge pins, steering pivot points, and universal joints on the drive shaft until excess grease emerges. Retighten hub bolts, frame fasteners, key boom attachment bolts, and all pipeline connections. Inspect seals and hoses for aging or damage, promptly marking and reporting any potential hazards. When parking, lower the bucket to rest on the ground, depressurize the hydraulic cylinders, and disconnect the main power supply. Underground equipment should be stored in a dry, safe area free from water exposure and loose rocks, with chocks placed under wheels to prevent slipping.
Inspect the entire machine frame, boom, bucket, and rocker arm for cracks, weld failures, or deformation; ensure all hinge pins and bushings exhibit no severe wear or looseness, and that all grease fittings are present and unobstructed. Verify that the levels of engine oil, coolant, hydraulic fluid, transmission fluid, and brake fluid are normal, with no emulsification, darkening, or shortages, and confirm there are no leaks of oil, water, or air. Check tire pressure and tread condition, and ensure wheel‑rim bolts are securely tightened with no signs of loosening. For underground models, pay particular attention to explosion‑proof electrical components, cables, and junction boxes, ensuring they are free from insulation damage and any loss of explosion‑proof integrity, and that grounding is intact. Test the braking and steering systems for responsiveness and reliability, confirming proper pedal travel and no wandering or binding. Verify that lights, the horn, the reverse‑warning device, and the emergency‑stop mechanism are functioning properly.
During operation, continuously monitor the engine coolant temperature, oil pressure, hydraulic fluid temperature, and transmission temperature to ensure they remain within their specified ranges, with no high‑temperature alarms. Listen for any unusual noises or excessive vibrations; verify that the work equipment lifts and tilts smoothly, without jamming or unintended movement. Conduct a dynamic inspection to confirm that hydraulic lines, cylinders, and fittings are free of leaks, and that the braking system responds promptly. Ensure that exhaust smoke is normal, with no abnormal black, blue, or white emissions. If any unusual noises, leaks, or temperature anomalies are detected during operation, immediately shut down the machine for inspection; operating with known faults is strictly prohibited.
Thoroughly clean the machine body, radiator, cab, and bucket of adhering coal dust, rock debris, and oil contamination. Grease all hinge pins, steering pivot points, and drive‑shaft universal joints until excess grease oozes out. Retighten hub bolts, frame bolts, key boom‑attachment bolts, and all pipeline fittings. Inspect all seals and hydraulic lines for signs of aging or damage, and promptly mark and report any potential hazards. When parking, lower the bucket to rest on the ground, relieve pressure from the hydraulic cylinders, and disconnect the main power supply. Underground equipment must be parked in a safe area free from water exposure and loose rock, with chocks securely placed to prevent slipping.
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