RJ150-30 / Operations and Maintenance Manual
Mobile Aircraft Air Conditioner
Trailer Mounted, Cool Mode Only
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JANUARY 20, 2004
SECTION 2 - 3
PAGE 11
•
Disconnect upper and lower engine coolant lines from radiator suction and
return ports by loosening hose clamps and removing hoses from radiator.
(See Figure 8)
Figure 8. Radiator Hoses & Connections (Typical)
(Single Compressor configuration shown)
•
Disconnect engine block heater hose (Optional) from upper radiator
assembly. (See Figure 8)
•
Disconnect hose from low coolant level switch. (See Figure 8)
•
Completely evacuate the refrigerant system. Refer to Section 2-1, Servicing.
•
Sweat apart the refrigerant lines leading to/from the condenser coil.
•
Remove retaining bolts from radiator / condenser assembly side support
gussets. (See Figure 9) Radiator rests on top of chassis frame.
•
Lift entire assembly away from unit using appropriate lift devices.
•
To install radiator / condenser coil assembly, reverse the removal process.
•
Once installation is complete, fill the entire coolant system with appropriate
coolant mixture.
•
Recharge refrigerant system. Refer to Section 2-1, Servicing.
•
Operate unit in COOL mode to check for coolant and refrigerant leaks. Refer
to Section 1-2, Operating Procedures.
Lower Radiator Hose
Upper Radiator Hose
Compressor
(Reference)
Radiator Fill Port
Block Heater Hose
(Optional)
Low Coolant Level
Switch & Hose
