Q155 Service Manual
- 4-1 -
4.
Service
4.1.
Components
The internal composition of the Merits Oxygen Concentrator, including the
compressor, solenoid valves, circuit board, unit block, axial fan, and all filters etc.,
are easily accessible for service. This allows you to perform scheduled maintenance,
repair, and replacement of parts with minimal time and effort.
4.2.
Cabinet Removal
4.2.1.
Removing the cabinet to access the air compressor
Loose the four screws from the bottom of cabinet, and take the cabinet apart
from the base assembly (See Figure 4-1). You can access the air compressor or
most other parts.
Figure 4-1 Cabinet fixed screws
4.2.2.
Caster Replacement
i.
Lay down concentrator on the ground to access easily the caster wheels
mounted on base plate.
ii.
Remove the caster nut with a 12.5mm socket. (See Figure 4-2)
iii.
Install the new caster and tighten the nut.
Figure 4-2 Caster replacement
Fixed screw