3
SCREW TIGHTENING CALIBRATION
Description
Cover fixing screw
Piston fixing screw
Con-rod cap fix. screw
Head fixing screw
Valve cover fix. screw
Oil/service discharge plug
G1" suction plug
G1/2" outlet plug
Type "A" flange fix. screw
Screw fix. Coupl.SAE B
Screw fix. PTO 2nd Flange
*
The con-rod cap fixing screws must be tightened
respecting the phases indicated on page 15.
**
The head fixing screws must be tightened with a
torque wrench, lubricating the underhead, respecting
the order in Fig. 24.
***
The valve cover fixing screws must be tightened
with a torque wrench, lubricating the underhead,
respecting the order in Fig. 24.
**** The PTO 2nd flange fixing screw must be tightened
with a torque wrench, using Loctite 243 Blue.
4
REPAIR TOOLS
Pump repairs can be facilitated by special tools coded as follows:
For assembly phases:
Seal bush extØ 48; HP alternative seal ring Ø 36x48x8
Buffer for pump shaft oil seal
Buffer for piston guide oil seal
For disassembly phases:
Suction/outlet valve seats
Piston guide oil seal extraction gripper
Exploded
Tightening
view
torque Nm
position
9
10
28
20
16
30*
39
40**
40
80***
11
40
31
100
29
120
59
22
61
40
69
145****
Fig. 24
21
code 26406300
code 27465800
code 27904500
code 27904200
code 26019400
code 27513700
code 26019400
code 27503800