Q155 Service Manual
4-6
4.5.
Axial Fan Replacement
The intake axial fan for the unit is located aside of central frame and base assembly.
(See Figure 4-11) Refer to the troubleshooting chart in Section 4.0 of this manual
for instances where replacement of the fan may be required.
To replace the intake axial fan in central frame, take the following steps:
i.
Set the unit's ON/OFF switch to the OFF position, and unplug the power cord.
ii.
Remove the cabinet.(See section 4.2.1)
iii.
Disconnect the fan wire connector (See Figure 4-11).
iv.
Remove the screws and nuts on axial fan from central frame.(See Figure 4-11)
v.
Install new intake axial fan to central frame and tighten the screws.
vi.
Connect the fan wire connector.
vii.
Reassemble the cabinet.
Figure 4-11 Intake axial fan
To replace the exhaust axial fan in the base assembly, take the following steps:
i.
Set the unit's ON/OFF switch to the OFF position, and unplug the power
cord.
ii.
Remove the cabinet.(See section 4.2.1)
iii.
Disconnect the fan wire connector. (See Figure 4-11)
iv.
Follow section 4.4.2 to remove compressor.
v.
Disconnect the exhaust axial fan wire connector.
vi.
Loose the four screws on exhaust axial fan to remove it. (See Figure 4-12)
Figure 4-12 Exhaust axial fan
The fan wire
connector
The fan fixed
screws
The exhaust
fan wire
connector