Inspecting the pumping unit (refer to the exploded drawing in Fig. 22)
01
Unscrew the 8 screws (item 1) on the head
body (item 2).
03
Caution is needed when removing the
supports (items 3-4) so as not to damage
seal housings.
05
Check the condition of all components,
replacing any that are worn.
42
02
Pull the gasket supports (item 3) out with
the extractor.
Fig. 10
04
Place the gaskets support unit on a clean
surface and pull the gaskets out (item 16).
Fig. 12
• Please note: With each disassembly change
all the O-rings and grease the gaskets with
a silicone grease.
Penetration degree to the ASTM 265-295
standard
• To mount the parts, follow the above steps
exactly but in the reverse order
Fig. 14
Fig. 11
Fig. 13