Precision Medical Air-Oxygen Blender - Manual (Page 9)

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Air-Oxygen Blender
LOW FLOW
Figure C
8. Remove dial [1] by pulling dial away from
manifold block [8].
9. Remove the primary [9] and auxiliary [10]
outlets (auxiliary contains Blue Muffler [38])
by using a ½ in. open end wrench to unscrew.
10. Use Retaining Ring Pliers to unscrew and
remove audio alarm assembly [11] from the
bottom of the manifold block.
[8]
[10]
[11]
[9]
[1]
[38]
contained in [10]
Figure D
11. Use small retaining ring pliers to remove
retaining rings [12] from each side of the
alarm assembly [13]. Push the alarm assembly
through to remove the assembly from manifold
block.
[12]
QUANTITY - 2
[13]
Figure E
12. Using a 11/32 in. nut driver or socket, loosen
the nut [14] (ONLY two turns) holding the
knob guide [15] on the proportioning valve
assembly [16]. Slide knob guide assembly
from proportioning valve assembly shaft. Slide
resistance ring [17] from proportioning valve
assembly.
13. Remove phillips head screw [18] and
washer [19] from side of proportioning valve
assembly.
14. Replace knob guide assembly and tighten
the nut.
15. Pull knob guide assembly to remove
proportioning valve assembly from manifold
block. Again, loosen the nut (ONLY two turns)
holding the knob guide to the proportioning
valve assembly, remove knob guide from
proportioning valve assembly shaft.
[14]
[15]
[16]
[18]
[19]
[17]