Agilent Technologies SD-1 User Manual page 89

Damage of pump piston
C A U T I O N
If the pump piston is unsupported, the weight of the pump head could break the piston.
➔
7 Hold the pump head and repeat steps 4 and 5 on the other mounting screw.
8 Carefully slide the pump head straight out from the pump until it clears the
9 Support the weight of the washing section and carefully slide it off the
Removing seals/o-ring
The high pressure seal will remain in the recess at the back of the pump
head. The o-ring will remain in its groove at the front of the washing
section. The washing section seal will remain in the recess at the back of
the washing section.
1 Carefully remove the seal from its recess using the end of the piston to pry
2 Remove the o-ring if necessary.
SD-1 Solvent Delivery - User Manual
Support the weight of the pump head body as you remove the mounting screws.
The mounting screws will remain captive behind the front plate.
piston. Do not apply any sideways or up and down pressure to the piston
while removing the pump head.
piston.
Do not dismantle the pump head assembly any further; the backing disk
should remain in place.
it out. Do not use a sharp metal tool, such as a penknife, which could
scratch the sealing area of the pump head or washing section.
Maintenance and Repair
Replacing Seals
8
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