Construction waste chutes have several wear parts that require regular replacement. This article lists the wear parts checklist and replacement guide.
| Wear part | Replacement cycle | Reason |
| Sealing ring | 1–2 years | Aging, compression deformation |
| Buckle | 2–3 years | Wear, corrosion |
| Buffer section | 1–2 years | Impact wear |
| Bottom discharge section | 1–2 years | Bottom impact wear |
| Feed inlet door sealing strip | 1 year | Aging |
| Feed inlet door hinge | 2 years | Wear |
| Clamp rubber pad | 2 years | Aging |
| Inspection opening cover seal | 1 year | Aging |
Generally 1–2 years
Replace when dust leakage is found
Inspect and replace before winter
Disassemble the joint
Remove the old sealing ring
Clean the seal groove
Insert the new sealing ring
Align the joint
Fasten and tighten the buckle
EPDM material
Cross-section Φ8 mm
According to pipe diameter circumference
III. Buffer Section Replacement
Wall thickness wear exceeding 30%
Pits or cracks appear
Buffering effect decreases
Disconnect the upper and lower joints of the buffer section
Remove the old buffer section
Install the new buffer section (correct orientation)
Seal the joint
Secure firmly
Bottom section severely worn
Holes appear
Poor buffering effect
Stop use
Disconnect the bottom section joint
Install the new section
Adjust discharge direction
Check sealing
Replace when aged and hardened
Install new sealing strip
Replace when hard to open/close
Remove old hinge and install new one
Replace the whole door when severely deformed
Replace when severely corroded
Replace when threads slip
2 per joint
Stainless steel buckles have longer life
VII. Wear Parts Procurement
Purchase according to pipe diameter specifications
Longkang keeps regular stock
Recommended to keep 10%–20% spares
Sealing rings recommended in regular stock
Purchase buffer sections according to wear plan
VIII. Longkang Wear Parts Supply
Long-term supply of all wear parts
Complete specifications
Fast shipping
Technical guidance on replacement
Free replacement within warranty period