Repairing The Pump; Introduction To Repairing The Pump - Agilent Technologies 1200 Series Reference Manual

4

Repairing the Pump

Introduction to Repairing the Pump

Simple Repairs
The quaternary pump is designed for easy repair. The most frequent repairs
such as plunger seal change and purge valve frit change can be done from the
front of the quaternary pump with the quaternary pump in place in the system
stack. These repairs are described in
When opening capillary or tube fittings solvents may leak out. Please observe
WA R N I N G
appropriate safety procedures (for example, goggles, safety gloves and protective
clothing) as described in the material handling and safety data sheet supplied by the
solvent vendor, especially when toxic or hazardous solvents are used.
Exchanging Internal Parts
Some repairs may require exchange of defective internal parts. Exchange of
these parts requires removing the quaternary pump from the stack, removing
the covers, and disassembling the quaternary pump. The security lever at the
power input socket prevents that the pump cover is taken off when line power
is still connected.
To prevent personal injury, the power cable must be removed from the quaternary
WA R N I N G
pump before opening the pump cover. Do not connect the power cable to the
quaternary pump while the covers are removed.
Electronic boards and components are sensitive to electrostatic discharge (ESD). In
C A U T I O N
order to prevent damage always use an ESD protection (for example, the ESD wrist
strap from the accessory kit) when handling electronic boards and components.
96
"Simple Repair Procedures"
1200 Series QP Reference Manual
on page 99.