Hammel 950 Gearbox for wood shredder, rebuild, Hicroft Transport
Hammel 950 Gearbox for wood shredder, rebuild, Hicroft Transport
Project details
Client: | Hincroft Transport |
Application: | Wood shredder |
Gearbox: | Hammel 950 |
Reported Problem: | Leaking output face seals |
Brief : | Remove screw drive gearbox from shredder, replace face seals & re-fit. Consider & advise any other work required. |
Removal of gearbox
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel2-1.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel3-1.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel4.png)
Gearbox stripdown
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel5.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel6.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel7.png)
Additional requirements
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel8.png)
Damage to planetary pins & gears. New replacement components reverse engineered.
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel9.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel10.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel11.png)
Gearbox rebuild
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel12.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel13.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel14.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel15.png)
Final assembly
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel16.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel17.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel18.png)
![](https://dana-sac.co.uk/wp-content/uploads/2019/02/Hammel19.png)
Additional notes
In addition to the replacement of face seals, this unit required:
- New timing gears
- New planet pins
- New planet carrier pins
- New bearings and seals
- Bearing housing recovered
This level of damage is not uncommon for this application.
This was all completed for less than 25% of the cost of a new replacement.
Reference List
- Hammel 750 – Shaws recycling
- Hammel 750 – Hinchliffe Transport
- Hammel 750 – Global Recycling
- Hammel 950 – Metropolitan Waste Services (London)
- Hammel 750 – Global Recycling
- Hammel 750 – Williband (formerly L & K)
- Hammel 750 – Williband (formerly L & K)
- Hammel 650 – Aylesford Metals
- Hammel 750 – Global Renewables
- Doppstadt Large Single Planetary – Ramsbury Plant
- Doppstadt Large Single Planetary – W Maw Waste
- Arjes VZ750 – JLA Recycling