Checking For Pneumatic Leaks; Checking The Gas Supply Module And Tank Yokes (Models Equipped With Reserve Gas Supply Only); Checking The Pipeline Supply To The Blender Module (Models Equipped With Blender Module Only) - Dräger Medical Resuscitaire WBR82 Technical & Service Manual

Proprietary and Confidential Draft 8 Sep 05
Checking the Pneumatic System
Chapter 6: Calibration and Maintenance Procedures

Checking for Pneumatic Leaks

WARNING:
Disconnect the gas supplies from the unit. Failure to do so could result in
personal injury or equipment damage.
Checking the Gas Supply Module and Tank Yokes (Models
Equipped with Reserve Gas Supply Only)
1. With the Gas Supply switch in the Off position, securely fasten the tanks
to the cylinder connections.
2. Slowly open the tanks, and verify that there are no leaks in the Gas Supply
Module, and that the gauges display the tank pressure.
3. Toggle the Gas Supply switch to the On position, and verify that there are
no leaks throughout the pneumatic system, except for the normal bleed
from the Blender Module and the patient/Auxiliary Outlet.
4. Briefly operate the Resuscitation Module, and verify that the tank gases are
delivered to the system with no blender alarm.
5. Close the tank valves, and let the air or oxygen bleed from the
Resuscitation Module.
6. Toggle the Gas Supply switch to the Off position.
7. Remove the tanks from the cylinder connections.
Checking the Pipeline Supply to the Blender Module (Models
Equipped with Blender Module Only)
1. Connect 50 psi (345 kPa) to the air fitting, the oxygen hose to the manual
gas filter/regulator, the manual gas filter/regulator to the oxygen fitting,
and the oxygen supply to the oxygen hose.
NOTE:
For the U.K., connect 60 psi (415 kPa) to the air fitting.
2. Set the manual gas filter/regulator to 50 psi (345 kPa), and set the Blender
Module to 60%.
3. Toggle the Gas Supply switch to the On position, and verify that there are
no leaks throughout the pneumatic system, except for the normal bleed
from the Blender Module and the patient/Auxiliary Outlet.
Page 6 - 36 Resuscitaire® Radiant Warmer Products Service Manual (82 990 45)