Precision Medical Air-Oxygen Blender - Manual (Page 8)

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Air-Oxygen Blender
SECTION 3: MAINTENANCE PROCEDURES, REPAIR AND CALIBRATION
I. LOW FLOW (PM5300 Model)
Step 1: DISASSEMBLY
Tools Required
#2 Phillips Screwdriver
#3 Phillips Screwdriver
1/2 in. Open End Wrench
11/32 in. Nut Driver
5/32 in. Long Hex Key
Small Retaining Ring Pliers
NOTE: Photos shown of Diaphragm Blocks are Engineered Composite Blocks.
Figure A
1. Rotate dial [1] to the 60 graduation.
2. Remove the two flat head screws [2] on each
side of the top cover [3].
3. Remove top cover by pulling upwards.
The cover will not come off unless the dial
is at the 60 graduation.
[1]
[2]
QUANTITY - 4
[3]
Figure B
4. Use a ½ in. open end wrench to unscrew
and remove the air [4] and oxygen [5] inlet
assemblies from bottom of the Blender.
Oxygen inlet has left hand threads.
5. If manifold outlet assembly is present,
unscrew the stem using a 5/32 hex key and
holding the manifold outlet assembly to the
bottom of the Blender.
6. Remove the four flat head screws [2] from
bottom cover [6].
7. Remove bottom cover.
[5]
[4]
[2]
QUANTITY - 4
[6]