Low flow – Precision Medical HeliO2 Blenders User Manual
Page 13

Heliox / Oxygen Blender Service Manual
Page 11
LOW FLOW
Figure J
11. Thread new primary outlet assembly [37] to Manifold Block torque to 10 ft-lbs
(13.6 Nm).
Figure K
12. Start threads of new alarm assembly [11] by hand, tighten with Retaining Ring Pliers, ensure not to
bend reed.
13. Attach bottom cover [6] using four flat head screws [2].
14. Install new Oxygen inlet assembly [5] torque to 10 ft-lbs (13.6 Nm). Oxygen inlet assembly has left
handed threads.
15.
Install new Heliox inlet assembly [4], torque to 10 ft-lbs (13.6 Nm).
Figure L
16. Lubricate proportioning valve bore with Krytox
GPL 106.
17. Align the (3) holes on the proportioning valve
assembly [16] equal distance between the (2)
plugs and push in. *Reference drawing below.
18. Replace washer [19] and phillips head screw
[18].
19. Place new resistance ring [17] in its place on the
proportioning valve assembly.
*Proportional valve assembly inserted, with
the “L” stamped on back for Low Flow Model.