6 - Maintenance
133
Pump Valves and Diaphragms Renewal
Pump model: 364 and 464.
1.
Lift off the plastic covers with your hands (A) by pulling with the
finger tips while pushing with the thumbs in the centre, as shown
in (B).
Valves
2.
Loosen the 4 head bolts (1).
3.
Remove the head (2).
4.
Change the valves (3) - note their orientation, so that they are
replaced correctly!
ATTENTION! It is recommended to use new gaskets (4), when
changing or checking the valves.
Diaphragms
5.
Loosen the diaphragm bolt (5).
6.
Remove the diaphragm washer (6).
7.
The diaphragm (7) may then be changed.
8.
Check that the drain hole (8) at the bottom of the pump is not
blocked.
9.
Apply a small amount of pump grease on the underside of the
diaphragms (between diaphragm and conrod washer).
10.
Reassemble the pump with the following torque setting.
•
Diaphragm head bolts (1): 90 Nm.
•
Diaphragm bolt (5): 90 Nm.
11.
Refit the plastic covers (C).
÷
NOTE! The diaphragm bolt on 1000 rpm pumps must be secured with a locking compound.
C
C
1
2
3
3
3
4
4
5
6
7
8
Summary of Contents for MEGA VPZ MASTER
Page 4: ...1 EU Declaration 4...
Page 10: ...Table of Contents 10...
Page 42: ...2 Safety Notes 42...
Page 68: ...3 Description 68...
Page 118: ...5 Operation 118...
Page 121: ...6 Maintenance 121 Lubrication Plan Boom Centre Close up of Glide Shoes to be Lubricated...
Page 172: ...8 Technical Specifications 172...
Page 176: ...Index 176...
Page 178: ...HARDI INTERNATIONAL A S Herthadalvej 10 DK 4840 N rre Alslev DENMARK...
