HPP EF 123/150 (800 об/мин) [28/108] Fig 11

HPP EF 111/210 (1000 об/мин) [28/108] Fig 11
28
Fig. 11
Fig. 12
Fig. 13
A
C
B
SPECIAL MAINTENANCE – REMOVING THE PUMPING ELEMENT
In case of leakage, replace the pressure seals.
With regard to component numbering, refer to the exploded drawing in Fig. 6.
a) Using a 12 mm Allen key, loosen
one turn the four screws C and
unscrew completely the eight
screws A and B (see detail in Fig.
11).
Remove the head (3) carefully.
c) Check the condition of the
components and replace
anyworn onesi.
b) Remove the piston sealing
units (10)
CAUTION
• At every disassembly operation, always replace the O-rings (11) and grease the seals with silicone grease: degree of
penetration according to ASTM 265-295 standard.

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