Carrier Transicold X4 7300, Operation & Service Manual

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62-11637 8–36
Figure 8.30 Condenser/Radiator Assembly
1. Condenser/Radiator Assembly
2. Ambient Air Temperature Sensor (ATT)
3. Front Condenser Frame
4. Gasket (Typical)
5. Radiator Mounting Brackets
6. Condenser Coil 7. Condenser Coil Mounting Brackets
8. Radiator
9. Rear Condenser Frame
10. Rear Condenser Frame Mounting Bolts
11. Condenser/Radiator Assembly Mounting
Bolts
- - - - -
8.9.3 Filter-Drier
a. Check Filter-Drier
The unit must be running in cool for this test. Check for
a restricted or plugged filter-drier by feeling the liquid
line inlet and outlet connections of the drier cartridge. if
the outlet side feels cooler than the inlet side, then the
filter-drier should be replaced.
b. Replace Filter-Drier
1. Pump down the low side. Refer to Section
8.7.2 .
2. Remove bracket, loosen the inlet connection to
relieve any remaining pressure then remove
drier.
3. Procure new O-rings. Lubricate the O-rings,
back side of sleeves and coupling nuts. Using a
backup wrench at each connection torque 30 to
38 ft/lbs (40.7 to 51.5 Nm).
4. Leak check, evacuate & dehydrate, and charge
system as required. Refer to Section 8.7.2 ,
8.7.3 & 8.7.4 .
8.9.4 Replacing Receiver Sight Glass Or Fus-
ible Plug
1. Remove the refrigerant charge. Refer to Sec-
tion 8.7.2 .
2. Loosen the sight glass or fusible plug to relieve
any remaining pressure. Remove and discard
glass or plug.
3. Using new o-ring, install component. Torque the
sight glass to 15 to 25 ft/lbs (20.3 to 33.9 Nm).
Torque the fusible plug to 48 to 96 inch/lbs (5.4
to 10.8 Nm).
4. Leak check, evacuate & dehydrate, and charge
system as required. Refer to Section 8.7.2 ,
8.7.3 & 8.7.4 .
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