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PROCEDURE 6
PROCEDURE 6 - REPLACING / ADJUSTING REGULATOR
Adjusting Regulator (FIGURE 2)
R
1. Turn unit ON.
E
2. Install pressure gauge onto oxygen outlet.
G
NOTE: Check O2 pressure at oxygen outlet. It should read a steady 5 p.s.i. + 0.5 p.s.i. If pressure is
U
not in specification, proceed to STEP 3. If difficulty is encountered in adjusting or maintaining
L
5 p.s.i. + 0.5 p.s.i., refer to the TROUBLESHOOTING GUIDE in this manual for assistance. If pres-
A
sure does fall within specification, operate normally.
T
O
TO PREVENT ELECTRICAL SHOCK, ALWAYS DISCONNECT CONCENTRATOR FROM
R
ELECTRICAL OUTLET BEFORE SERVICING.
3. Unplug unit.
4. Remove cabinet (Refer to PROCEDURE 1 - REMOVING CABINET).
5. Move product tank back to access regulator (Refer to PROCEDURE 6 - REPLACING/ADJUSTING
REGULATOR - Replacing Regulator [FIGURE 1]).
6. Plug unit in and turn power switch ON.
7. Locate the pressure adjustment screw in center of regulator.
8. Insert a 3/32-inch Allen wrench into the pressure adjustment screw.
9. While reading pressure gauge, turn pressure adjustment screw:
a) Clockwise to increase output pressure or;
b) Counterclockwise to decrease output pressure.
10. Reinstall cabinet (Refer to PROCEDURE 1 - REMOVING CABINET).
Pressure Regulator
Product Tank
Adjustable Clamp
CAUTION
FIGURE 2 - ADJUSTING REGULATOR
42
Pressure Adjustment
Screw (3/32-inch
Allen Wrench).
Sieve Beds
(Removed for Clarity)
REGULATOR
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