600-500-400 bar pumps
Check the condition of the
component parts and replace any
worn ones.
310 bar pumps
Check the condition of the
component parts and replace any
worn ones.
CAUTION
• At every disassembly operation, always replace the O-rings and grease the seals with silicone grease: degree of
penetration according to ASTM 265-295 standard.
SPECIAL MAINTENANCE – FITTING THE HYDRAULIC PART AND PUMPING UNIT BACK ON
SEALING UNIT for 600-500-400 bars pumps
600-500-400 bar pumps
Fit the seals and their rings into
the support as per the sequence
shown in the figure.
WARNING! The seals (9) should be
inserted with the ends staggered
by 180°: a correct sealing is thus
ensured.
32
9
Fig. 14
Fig. 15
9
Fig. 16
(continued on next page)