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P&H 4100XPB Rebuild with Wearite bushes

Posted by Chris Padman on 11 December 2020
P&H 4100XPB Rebuild with Wearite bushes

ZEMEK Engineering has recently installed new Wearite bushes on a client's P&H4100 Dipper door.

Wearite's demonstrated benefits:

Improved safety

- Dry ice use eliminates liquid nitrogen handling risk.

- Safer handling with less than 3kg Wearite parts vs 20kg OEM metal parts.

Reduced Cost

- Two large bushes fitted under 30 minutes.

- No grease required in operation.

- No line bore required when replacing Wearite bushes.


See the simple installation steps below:

1. Shrink bushes in Dry Ice

2. Check dimensions of bush and bore


3. Slide bush in by hand

4. Wait for bush to expand, Done.





Author:Chris Padman
Tags:Rope ShovelSafetyWEARITE

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ZEMEK's upgrade has been a major success story with improved door latching, greatly reduced latch shimming downtime and significant reduction in maintenance.

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