Reassembling The Head - Seals - Piston Unit; Screw Tightening Calibration - Interpump Group Pratissoli KT Serie Manual De Reparación

2.2.5

Reassembling the head - seals - piston unit

To reassemble the various components, perform the
operations listed above in reverse order to par. 2.2.3, taking
particular care with the following:
A) Seals pack: respect the same order used during
disassembly operations.
B) Lubricate ƒ components with OCILIS silicone grease
code 12001600. This operation is also deemed necessary
to facilitate adjustment of the lip seal on the piston.
C) For correct assembly of HP seals in their seats on the head
without causing any damage to lip seals, use suitable
tools according to the pump diameters as indicated in
chapter 4.
D) Remount the pistons, tightening the screws with a
torque wrench, respecting the tightening torque value as
indicated in chapter 5.
E) Replace the head as follows:
1. Position the seal supports in the respective seats on
the casing;
2. Using two screws – service pins (code 27726000),
fasten the casing as indicated in Fig. 33. Position the
complete head, making sure that it is centred only on
the central piston.
3. Complete operations, following the tightening
procedure. For the values of the torques and
tightening sequences follow the instructions in
chapter 3.
3

SCREW TIGHTENING CALIBRATION

Screw tightening must only be performed with a torque
wrench.
Description
Cover fixing screws
Oil discharge plug
Piston fixing screws
Con-rod cap fixing screws
Valve cover fixing screws
Head fixing screws
"A" type flange fixing screws
SAE C drawbar coupling
fixing screws
2nd PTO flange fixing screws
* The con-rod cap fixing screws must be tightened
simultaneously, respecting the phases indicated on
pag. 18.
** The head fixing screws exploded view pos. 47 must be
tightened with a torque wrench respecting the order
shown in the diagram in (Fig. 34).
*** The valve cover fixing screws exploded view pos. 45
must be tightened with a torque wrench respecting
the order shown in the diagram in (Fig. 34).
**** To secure the 2nd PTO flange, use Loctite 243 Blue
Code 12006400.
Fig. 33
25
Exploded Tightening
view torque Nm
position
9 10
11 40
27 20
18 30*
45 180***
47 80**
86 22
88 40
96 145****
Fig. 34