5 Attachment(s)
Hydromat length and lowered suspension
As you may know from my other posts, I have lowered my RRC from the standard height by 1”.
However, the hydromat is now going to think it permanently has a load in the back and will pump back up to the standard height.
I crawled underneath and took some measurements of the A frame and the relative position of the hydromat and made a sketch.
Attachment 180663
With the aid of CAD (cardboard aided design) I could then move the axle end of the A frame up to simulate the lowered suspension.
Attachment 180664
This has shown that there is about 10mm compression in the hydromat, so I needed to change the bottom mounting bracket to compensate and have the hydromat in the “normal position and length” with the classic lowered.
Attachment 180665
I then cut the bottom mounting bracket and welded in a new section (only the web of the H section at this stage).
Attachment 180666
Once happy that the bracket is the right length/shape I welded on the flanges and dressed them back.
Attachment 180667
Once installed, the hydromat will “think” the RRC is still at its standard height!