ICS-900 Operator’s Manual
82
Doc. 065215-02 9/09
To install the new backup piston seal:
1. Lift the spacer off the pump head.
2. To remove the seal holder from the spacer, use one of the following methods:
•
With the seal holder facing up, cup the spacer
in your hand and blow clean laboratory air at
the spacer to dislodge the seal holder.
•
Insert a thin object or pointed tool into the
small notch on the spacer and carefully pry out
the seal holder.
Be careful not to scratch the
spacer
.
3. To remove the backup piston seal from the spacer,
insert a thin object (for example, the straightened end of a paper clip) and
carefully pry out the backup piston seal.
Be careful not to scratch the
spacer
.
4. To install the new backup piston seal:
a. Hold the new backup piston seal
(P/N 063382) with the grooved side
facing down, and insert the shaft of the
piston through the seal.
b. Insert the piston into the center hole in
the spacer.
c. Push the piston into the spacer until
the top of the piston is flush with the
spacer. A clicking sound indicates that
the seal is correctly seated.
Notch
Seal
Holder
Spacer
of backup
Grooved side
piston seal
