BLZZRD
™
Portable Refrigerated Sampler
Section 9 Maintenance
9-11
9.5 Opening the
Controller Case
You will need to open the controller case to gain access to:
• The desiccant bag that dries the controller’s interior
•
The battery that provides backup power to the
controller.
CAUTION
The circuit boards can be damaged from a discharge of static
electricity. To protect the circuit boards, only open the controller
at an antistatic workstation.
To open the case:
1. Pull the discharge tube and pump tube away from the
bulkhead fitting.
2. If configured for multiple bottles, remove the distributor
arm by unscrewing the nut that attaches the arm to the
distributor shaft. If configured for 2.5 gallon composite bot-
tles, remove the composite tube guide.
CAUTION
Distributor drive gears may be permanently damaged if you
attempt to rotate the distributor arm by hand or with any tool.
Only move the distributor arm through the Manual Functions.
3. Remove the controller from refrigerator assembly by
removing four screws. See Figure 9-4.
Figure 9-4 Controller mounting screw (1 of 4)
4. Open the case by removing the 11 screws that attach the
case bottom to the case top.
Note
Th e ca se top a nd b otto m fit tog eth er with a s ea le d
tongue-and-groove joint. Any damage
—
nicks or cuts
—
to the
tongue, groove, or sealing gasket prevent the case from seal-
ing completely when you close it. Use extreme care when
opening the case to avoid damaging the joining surfaces.
Mounting Screw
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Страница 34: ...BLZZRD Portable Refrigerated Sampler Section 1 Introduction 1 18 ...
Страница 58: ...BLZZRD Portable Refrigerated Sampler Section 2 Installation Preparation 2 24 ...
Страница 72: ...BLZZRD Portable Refrigerated Sampler Section 3 Programming Introduction 3 14 ...
Страница 88: ...BLZZRD Portable Refrigerated Sampler Section 4 Standard Programming 4 16 ...
Страница 219: ...BLZZRD Portable Refrigerated Sampler Appendix B Material Safety Data Sheets B 8 ...
Страница 233: ...BLZZRD Portable Refrigerated Sampler Appendix D Replacement Parts D 6 ...
Страница 241: ...BLZZRD Portable Refrigerated Sampler Appendix F Battery Selection Guide F 4 ...