Fault Phenomenon: XCMG XKT mining truck when dumping material, the dump body front wall cannot open or suddenly detaches.

Troubleshooting Process:
– Checked hinge: front wall top hinge shaft or mount broken.
– Checked welds: mount weld to front wall torn.
– Checked operation: excessive impact from loader pushing material.
– Checked material: insufficient hinge material toughness.

Root Cause: The dump body front wall hinge broke due to fatigue from long-term impact from loader pushing and inertia force during dumping.

Required Parts: Cut out and replace reinforced hinge mount, re-weld.