Increase And Reduction Classes - Interpump Group Pratissoli SM Serie Manual De Reparación

Apply O-rings on the inspection covers (pos. , Fig. 91) and
tighten with 2+2 M6x14 screws (pos. , Fig. 92).
Calibrate the screws with a torque wrench as indicated in
chapter 3 SCREW TIGHTENING CALIBRATION.
2.1.3

Increase and reduction classes

TABLE OF REDUCTIONS FOR BEND SHAFTS AND CON-ROD HALF-BEARINGS
Recovery classes
(mm)
0.25
0.50
Recovery classes
(mm)
1.00
Fig. 91
Fig. 92
Upper Half-Bearing Code
90928100
90928200
INCREASE TABLE FOR PUMP CASING AND PISTON GUIDE
Piston Guide Code
73050543
47
Insert the tab 14x9x60 on the pinion.
Apply plugs and lifting brackets with the use of M16x30
screws (pos. , Fig. 93).
Calibrate the screws with a torque wrench as indicated in
chapter 3 SCREW TIGHTENING CALIBRATION.
Insert oil in the casing as indicated in the Use and
maintenance manual, par. 7.4.
Lower Half-Bearing Code
90928400
90928500
Adjustments on the Pump Casing
Ø71 H6 +0.019/0 Ra 0.8 Rt 6
Fig. 93
Correction on the shaft pin
diameter
(mm)
Ø79.75 0/-0.02 Ra 0.4 Rt 3.5
Ø79.50 0/-0.02 Ra 0.4 Rt 3.5
housing
(mm)