Q155 Service Manual
4-5
v.
Set the ON/OFF switch to the OFF position, and unplug the power cord.
vi.
Reconnect the intake solenoid coil terminals of solenoid valve.
vii.
Install the cabinet.
The procedure to replace the compressor safety relief valve is as following:
i.
Follow section 4.4.2 to remove compressor.
ii.
To loose the relief valve by using wrench. (See Figure 4-9)
iii.
To wind around type seal on the thread of new relief valve.
iv.
Install new relief valve.
Figure 4-9 Loose relief valve
4.4.4.
Capacitor Replacement
The capacitor helps to start the compressor. If the compressor does not start when
the power is switched on, the capacitor may be defective and require replacement.
Please follow below steps to replace the capacitor:
i.
Set the unit's ON/OFF switch to OFF position, and unplug the power cord.
ii.
Remove the cabinet. (See 4.2.1)
iii.
Disconnect the two lead wires to the capacitor (See Figure 4-8) and cut the
tie straps holding capacitor to another side of central frame. (See Figure
4-10)
iv.
To install the new capacitor, connect the leads to new capacitor then fasten
the capacitor with new tie straps.
Figure 4-10 The capacitor of compressor
The capacitor
of compressor