3
SCREW TIGHTENING CALIBRATION
Description
view position
Covers fixing screw
Piston guide rod fixing
screws
Piston fixing screw
Con-rod cap fix. screw
Head fixing screw
Valve cover fix. screw
Lift.brack.fix.screw
Oil drain plug
Outlet duct plug
G1" outlet plug
G1-1/2" suction 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 16.
**
The head fixing screws must be tightened with a
torque wrench, lubricating the underhead, respecting
the order in Fig. 25.
***
The valve cover fixing screws must be tightened
with a torque wrench, lubricating the underhead,
respecting the order in Fig. 25.
**** 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 in the following table:
For assembly phases:
Seal bush extØ 55; HP alternative seal ring Ø 40x55x7.5/4.5
Seal bush extØ 48; LP alternative seal ring Ø 40x46.15
Buffer for pump shaft oil seal
Buffer for piston guide oil seal
For disassembly phases:
Suction / outlet valve
Suction / outlet valve seat
Suction / outlet valve plug
Piston guide oil seal
Exploded
Tightening
torque Nm
9
10
95
10
29
20
16
30*
41
80**
42
120***
58
40
54
40
11
40
36
150
38
150
66
40
73
40
78
360****
21
Fig. 25
code 27473100
code 27356300
code 27471200
code 26406300
code 27904800
code 27904900
code 27513600
code 26019400
code 27516900
code 26019400
code 27513600
code 26019400
code 27503900
code 26019400