Reassembly Of Mechanical Parts - Pratissoli KE Serie Manuel De Réparation

- Push the piston guides forward with their con-rods to
facilitate side extraction of the pump shaft as shown in
Fig. 4.
- 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 27503800 (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. 4
2.1.2

Reassembly of mechanical parts

After having checked that the casing is clean, proceed with
assembly of the mechanical part as described below:
- Assemble the upper and lower half-bearings in
their seats in the con-rods and caps.
Make sure that the reference marks on the upper
half-bearings (Fig. 6, pos. ) and lower half-
bearings (Fig. 6/a, pos. ) are positioned in their
respective seats in the con-rod and cap.
Fig. 5
Fig. 5/a
15
Fig. 5/b
Fig. 5/c
Fig. 6