Service guide
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Disassembling and Assembling, iSave 50-70
© Danfoss | DCS (im) | 2016.10
180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 13
4. Visually check both the valve plates
sealing surface for wear/scratches and
use a straight edge ruler across the sealing
surface and replace if needed.
3.3 Remove the spring cover by hand and
check and replace springs if necessary.
Assembling:
Lubricate the thread holes in the cylinder
barrel with lubrication and mount the
spring cover by hand over the springs.
6. Calibrate the back up rings using the
plastic tool from the tool set, before
mounting the O-rings.
Proper mounting is very important!!!
5. Lubricate the back-up rings, O-rings and
the valve plates with clean filtered water.
Replace the back-up rings and O-rings
on the valve plates (back-up ring first).
Make sure back-up rings are not
twisted.
3.4 Screw in the 2 x M6 screws with 2 x nuts
and 2 washers and tighten the screws to
max. 10 Nm. Cross tighten the nuts to
press down the spring cover
3.5 Lubricate the new O-ring and cylinder
shaft with clean filtered water and mount
the new O-ring by hand in the O-ring
groove. Remove the 2 x M6 screws with
nuts and washers.
