Replacing PR53 desiccant capsules - PR53 - PR53AC - PR53AP - PR53GC - PR53GP - PR53M - PR53SD - PR53W

PR53 Series User Guide

Document code
M212898EN
Revision
E
Language
English
Product
PR53
PR53AC
PR53AP
PR53GC
PR53GP
PR53M
PR53SD
PR53W
Document type
User guide
Follow these instructions to replace the PR53 desiccant capsules.
  • Desiccant capsules (6 pcs)(Vaisala item 238440SP)
  • TX20 Torx key
  • TX10 Torx key
Figure 1. Replacing PR53 desiccant capsules
  1. Familiarize yourself with the safety instructions of the installation site.
  2. Loosen the screws on the refractometer cover with a TX20 Torx key. Be careful not to drop the bolts. Keep the bolts for later use.
  3. Loosen the screws on the desiccant capsule holder using a TX10 Torx key.
  4. Remove 3 old desiccant capsules.
  5. Install 3 new desiccant capsules.
  6. Reinstall the desiccant capsule holder. Tighten the screws to 0.7 Nm with a TX10 Torx key.
  7. Reinstall the refractometer cover. Tighten the screws to 2 Nm using a TX20 Torx key. Be careful not to overtighten. The screws may break.
  8. Recycle removed parts according to the recycling instructions in PR53 Series User Guide (M212898EN).