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SECTION 11—REGULATOR
Platinum™Series 58 Part No 1110538
SECTION 11—REGULATOR
Replacing Regulator
ƽ DANGER
To prevent electrical shock, ALWAYS disconnect concentrator from electrical
outlet before servicing.
NOTE: For this procedure, refer to FIGURE 11.1 on page 59.
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet
on page 25.
3. Loosen adjustable clamp on product tank and slide clamp down below the adjustable
clamp hanger (Detail “A”).
4. Pull product tank back and up to access regulator.
NOTE: On concentrator models with the SensO
2
unit ONLY, remove the 1/8-inch tubing to
oxygen sensor housing.
5. Remove the four mounting screws that secure regulator to product tank cap (Detail
“B” and “C”).
6. Remove regulator from product tank lid ensuring that the O-rings are removed.
NOTE: Clean mounting surface of product tank cap. Ensure that the two "O" rings for the NEW
regulator are installed onto the ports (underside) of the NEW regulator before installation.
ƽ WARNING
Ensure proper installation of regulator. Note flow arrow on regulator. This MUST
face toward the front of unit or flow will be interrupted causing system shutdown.
7. Install new regulator onto product tank by reversing STEPS 5 and 6.
8. Torque mounting screws to 5 ± 1 inch-lbs.
9. Re-install product tank and secure with the adjustable clamp.
NOTE: On units with SensO
2
, reinstall 1/8-inch tubing to oxygen sensor housing.
10. Adjust regulator pressure if necessary. Refer to Adjusting Regulator on page 60.
11. Run unit and check for leaks. Refer to
Leak Test on page 89.
12. Reinstall cabinet. Refer to Removing Cabinet on page 25.