Chapter 6: Pump Syringe Replacement 31
6
Pump Syringe Replacement
Glass syringes are used in the primary and secondary pumps of the HTS unit. For
reference, the syringe associated with the secondary pump is shown the following
figure.
Perform the replacement of the pump syringe maintenance tasks annually or
when the following symptoms occur:
• Primary or secondary pump (Pump-1 or Pump-2) errors occur
• A Pump syringe has a clog
NOTE It is not necessary to remove the HTS when replacing the primary pump
syringe (located on the front of the HTS). However, it is necessary to remove the
HTS when replacing the secondary pump syringe (located on the rear of the
HTS).
Syringe
Syringe barrel
Sharp raised edge
Narrow up
1/4 - 28 thread
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