Service guide
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Disassembling and Assembling, iSave 50-70
© Danfoss | DCS (im) | 2016.10
14 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02
8. Mount the 2 x M6 nuts, 2 x M6 washers
and bushings for valve plate on the 2 x M6
screws and then mount them (only by
hand) in the holes with the undercut.
Mount 2 x M16 washers equally between
the 2 screws at the big shaft end.
7. Lubricate the back-up rings, O-rings and
the holes in the cylinder barrel with clean
filtered water. Place the valve plates with
the 2 holes with the undercut over the 2
thread holes in the cylinder barrel.
10. Remove the exchanger housing from the
port flange by carefully using a plastic
hammer and remove the small pin.
(The pin may fall out).
11. Remove the port plate from the 2 clips
using a screwdriver.
12. Visually check the port plate for wear and
scratches using a straight edge ruler
across the sealing surfaces and replace if
needed.
9. Cross tighten the 2 x M6 nuts to press
down the valve plates equally. The valve
plate at the small shaft end should be
pressed all the way in until you feel a small
resistance (max. 10 Nm). The valve plate
at the big shaft end should only be
pressed in until it is still possible to
remove the 2 x M16 washers (2-3 mm
space left).Remove the 2 x M6 screws with
the nuts, washers and the bushings for
valve plate.
