HPP CH 18/500 (1000 об/мин) [20/76] Special maintenance fitting the hydraulic part and pumping unit back on

HPP CH 18/500 (1000 об/мин) [20/76] Special maintenance fitting the hydraulic part and pumping unit back on
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SpecIAL MAINTeNANce – fITTING THe HYdRAULIc pART ANd pUMpING UNIT bAcK ON
For component numbering, refer to the exploded drawing in Fig. 3.
a) Fit the seals (12) by inserting them one after the other
inside the support (6), with the ends staggered by 180°:
correct seal will only be achieved by inserting the seals
this way.
b) Fit the seals and the respective rings (13) inside the
support (6).
c) Fit the low-pressure seal (8) on the rear support (9).
d) Fit the rear support (9) with the screws (11); insert the
plunger (14) to perform correct seal alignment; tighten
the screws (11) at the indicated torque; remove the
plunger.
e) Fit the supports on the pump body (10), being careful
not to damage the plungers (14) and the seals (12).

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