When
To replace a support ring
Tools required
Screwdriver, Torx T30
Seal-handling tool
No. | Description |
---|---|
1 | Removal pin |
2 | Insertion pin |
3 | Knurl for opening and closing the seal-handling tool |
Preparations
Remove the pump head. See Removing the Pump Head.
Remove the piston for which you want to replace the support ring. See Removing the Pistons.
Parts affected on the pump head
No. | Description |
---|---|
1 | Pump head |
2 | Support ring |
3 | Pump head seals (for seal wash plate and seal wash plate screws) |
4 | Seal wash plate |
5 | Screws, seal wash plate (4 screws) |
6 | Piston |
Follow these steps
With the screwdriver, remove the screws on the seal wash plate.
Remove the seal wash plate from the pump head.
If one or more pump head seals come off when you remove the seal wash plate, keep them for reinstallation.
Remove the support ring: Push the insertion pin of the seal-handling tool at a slight angle into the pump head. Do not use the removal pin.
Remove the tool. The support ring is removed together with the tool.