ENGLISH
15
- Push the piston guides forward with their con-rods to
facilitate side extraction of the pump shaft. There are two
reference points visible on the shaft (indicated with 1 in
Fig.4 and in Fig.4/a). These must be turned toward the
operator to facilitate extraction.
Fig.4
Fig.4/a
- Remove the pump shaft
- Complete disassembly of the con-rod units by removing
them from the pump casing and removing the piston
guide pins.
- Remove the pump shaft seal rings using common tools.
- Remove the piston guide seal rings as described below:
Use the extractor code 26019400 (Fig.5, pos.) and the pliers
code 27503900 (Fig.5, pos.). Insert the gripper as far as
possible onto the seal ring with the aid of a hammer (Fig.5/a),
subsequently screwing the extractor to the gripper, and use
the extractor hammer (Fig.5/b) until the ring to be replaced is
removed (Fig.5/c).
Fig.5
Fig.5/a
Fig.5/b
Fig.5/c
When disassembling the con-rod groups check the wear
status of the piston guide rods (pos. , Fig.5/d), if necessary
replace them removing the 2 xing M6 screws (pos. ,
Fig.5/d).
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