Agilent Technologies SD-1 User Manual page 94

8
Maintenance and Repair
Replacing Piston
Installing the new piston assembly
1 Take the replacement piston assembly and slide the backing disk over the
2 Align the holes with the screw holes on the piston assembly (see
3 Slide the washing section over the piston and install the new o-ring and seal
4 Carefully slide the pump head over the piston.
5 Align the pump head so that the slot at the bottom is lined up with its
6 Hold the pump head and insert a 3/16 inch T-handle wrench into one of the
7 Tighten the other mounting screw until you feel resistance.
8 Tighten each mounting screw in turn a little at a time until both screws are
9 Repeat the procedure for the other pump head.
94
piston.
on page 90).
(see Figure 40 on page 90).
matching slot in the housing on the front panel (see
a Supporting the weight of the pump head, carefully slide it along the
piston until it stops.
mounting screw holes and tighten the mounting screw until you feel some
resistance.
tight.
Figure 37 on page 87).
SD-1 Solvent Delivery - User Manual
Figure 39