Technical data

Aussie Pumps Bertolini Pumps Service Guidelines – July 2008
3
INTRODUCTION
This manual was developed as a basic guide to understanding the operation and
requirements, installation and servicing of Aussie Pumps >Big Berty= Bertolini positive
displacement pumps.
High pressure cleaning equipment is a potentially hazardous undertaking and can
cause injury and property damage. It must be installed and repaired in accordance
with the manufacturer=s instructions. Recommended OH&S safety practices must be
observed at all times.
Australian Pump Industries does not assume liability or responsibility for the design or
operation of a customer=s high pressure system.
CONTENTS
Introduction ..................................................................................................................................3
Typical operation and requirement .....................................................................................4
Pressure....................................................................................................................4
Flow ..........................................................................................................................4
Detergent Injection....................................................................................................4
Hot water/steam systems..........................................................................................3
Designing your system.........................................................................................................5
Pump selection..........................................................................................................5
Motor/engine selection ..............................................................................................5
Spray tip selection guide......................................................................................................6
Determining spray tip size.........................................................................................6
Drive System .......................................................................................................................6
Other components ...............................................................................................................7
Inlet side components ...............................................................................................8
Outlet side components ............................................................................................8
Installation of components ...................................................................................................8
Troubleshooting ...................................................................................................................9
Service guidelines..............................................................................................................10
Valve assemblies ....................................................................................................10
Removing manifold head ........................................................................................10
Replacing plungers .................................................................................................11
Replacing V-packings .............................................................................................12
Pressure cleaner test set ........................................................................................13
Pressure setting instructions - engine drive.....................................................14
- electric drive ....................................................15
Change up to Big Berty
- the Quality Change Out
A
ussie Pumps Bertolini Pumps Service Guidelines – July 2011