Oxygen Concentrator
PN 14940837 B — 37
Sieve Bed Assembly
Note:
It is recommended to always replace sieve beds
in pairs to ensure the both beds are in optimum
working condition.
WARNING:
Do not open the sieve beds or handle the molecu-
lar sieve.
1. Press the power switch in the “OFF” position and unplug the
electrical cord.
2. Remove the outer case.
3. Unscrew the purge muffler by turning it counter-clockwise to
remove it. Loosen with a wrench if needed.
4. Pull outward on the top of the sieve bed assembly to remove
it from the grommet at the top of the case.
5. Lift upward to remove the sieve beds and product holding
chamber from the base of the concentrator.
6. To replace, reverse steps 1–5.
Cooling Fan
1. Press the power switch in the “OFF” position and unplug the
electrical cord.
2. Remove the outer case.
3. Disconnect the cooling fan’s wires from the PCB.
4. Remove the 4 screws from the compressor cover using a Phil-
lips head screwdriver.
5. Pull outward to slide the compressor cover out from the body
of the concentrator.
6. Slide the cooling fan out of the fan shelf.
7. To replace, reverse steps 1–6.