Valleylab CUSA EXcel-8 - Cooling Water Pump Tubing; Remove the Cooling Water Pump Head; Tools and Materials

Cooling Water Pump Tubing
Cooling Water Pump Tubing
Valleylab offers a cooling water preventive maintenance kit. This kit
allows you to perform two tasks:
» Replace the cooling water pump tubing.
* Replace the o-rings on the cooling water reservoir connectors.
Perform each task every 12 months.
This section tells you how to replace the cooling water pump tubing; the
following section, Cooling Water Reservoir O-Rings, tells you how to replace
the o-rings on the cooling water reservoir connectors.
This replacement requires removing the left side cover of the console, then
removing the cooling water pump head. The following procedure
describes how to remove the cooling water pump head, replace the
tubing, and re-install the pump head.
Tools and Materials
You will need the following items:
» Phillips screwdriver
® Slotted blade screwdriver.
* Cooling water preventive maintenance kit:
4 Pump tubing
4 Two o-rings
4 Four plastic wire ties
4 One packet of silicone lubrication
4 Instructions for use.
Remove the Cooling Water Pump Head
Turn off the AC Main Switch, located on the rear panel.
Unplug the power cord connector from the wail receptacle.
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Remove the left side cover.
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Remove the wire ties. Disconnect the pump tubing from the cooling
water tubes at the fittings (2).
5. Remove two screws (8 - 32 Phillips) from the pump head. This releases
one-half of the pump head— an “end bell.” Pull the released end bell
from the console. Refer to Figure 11-34.
6. Remove the tubing from the inside of the released end bell.
CUSA EXcel-8 System Service Manual 11-49