This brass sliding block is the wear part that keeps the telescopic screed sections of BF800C asphalt pavers moving freely. Reference number 89540237 identifies the block on standard parts lists, so the correct item can be ordered straight from the maintenance schedule instead of being measured on site.
The block carries the sliding load between the screed frame and the extension rails. Brass is used here on purpose: it runs against steel with low friction and will not gall or seize the way a steel-on-steel pair can, and it gives up material before the more expensive rail does. Once the block wears thin, clearances open up, the extension starts to hesitate, and mat thickness begins to drift across the paving width.
The block mounts with four bolts onto the screed frame. Clean the sliding face and the rail before fitting, check that the new block sits flush, and torque the bolts evenly so the load is shared across all four holes. After the first few hours of paving, re-check the bolt torque, since a slightly loose block will wear a taper into the rail and shorten the life of both parts.
| Item | Details |
|---|---|
| Part type | Brass sliding block / wear-resistant block |
| Reference number | 89540237 |
| Machine model | BF800C asphalt paver |
| Position | Screed frame, telescopic extension rail |
| Material | Brass |
| Mounting | Four-hole bolt fixing |
| Condition | 100% new |
| Minimum order quantity | 1 set |
| Reference price | USD 68 per set |
| Supply ability | 1,000 sets per month |
| Delivery time | 7 to 10 days |
| Packing | Box / pallet |
| Payment terms | L/C, T/T |
Send the machine model, the reference number from the parts book, and a photo of the worn block. Compatibility is confirmed before dispatch, and mixed orders with other screed wear parts are welcome. Container loads for fleet maintenance programs can be quoted against a rolling monthly schedule.