Overview - Agilent Technologies 1100 Series Reference Manual

Figure 12
Pump drive,
see page 143
Pump head,
see page 110
Outlet ball valve,
see page 106
Purge valve,
see page 108
Active inlet valve,
see page 103
Repairing the Pump

Overview

Overview
Figure 12 shows the main assemblies of the quaternary pump. The pump
head and its parts do require normal maintenance (for example, seal
exchange) and can be accessed from the front (simple repairs). Replacing
internal parts will require to remove the quaternary pump from its stack and
to open the top cover.
Overview of Repair Procedures
Power supply,
see page 147
LPM board,
see page 131
Fan,
see page 141
Damping unit,
page 138
MCGV,
see page 123
Leak sensor,
see page 152
101