Overview Of Repairing The Pump - Agilent Technologies 1200 Series Reference Manual

4 Repairing the Pump

Overview of Repairing the Pump

Figure 12
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.
Pump drive,
see page 144
Pump head,
see page 121
Outlet ball valve,
see page 104
Purge valve,
see page 106
Active inlet valve,
see page 100
Figure 12
98
shows the main assemblies of the quaternary pump. The pump head
Overview of Repair Procedures
Power supply,
see page 148
LPM board,
see page 130
Fan,
see page 142
Damping unit,
page 139
MCGV,
see page 122
Leak sensor,
see page 153
1200 Series QP Reference Manual