Disassemble Longlife Pump Heads - Agilent Technologies 1290 Infinity User Manual

Disassemble LongLife Pump Heads

This procedure shows how to open the pump head assembly, exchange seals,
and clean pistons.
Exchanging seals and cleaning pistons is exemplarily shown for the primary
pump head, but works in the same way for the secondary pump head.
Tools required p/n
G7120-68708
5043-1400
5067-6197
8660-0852
Seals must be exchanged and pistons must be cleaned in both primary and secondary
N O T E
pump heads.
1
Counter the outlet valve while opening the lock screw of
the heat exchanger capillary.
1290 Infinity Quaternary Pump User Manual
Description
HPLC System Tool Kit-Infinity-II
Pump Head Holder
Seal Handling Device
Abrasive mesh
Isopropanol
2
Remove the heat exchanger capillary by pushing the
connector up and pulling it out of the valve.
N O T E
A gold seal between outlet valve and heat exchanger
capillary is used for a tight connection.
Pump Head Maintenance (Tool Free)
9
Maintenance
177