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9.3. Evaporator Module Assembly Procedures
9.3.1. Assembly of Expansion Valve
9.3.1.1.
a thin layer of thread sealant primer to fitting threads.
CAUTION: APPLY THREAD SEALANT SPARINGLY TO MALE FITTING THREADS STAYING CLEAR OF
FIRST 2-3 THREADS.
9.3.1.2.
CAUTION: TAKE EXTREME CARE NOT TO GET REFRIGERANT OIL ON FITTING THREADS.
9.3.1.3.
9.3.1.4.
specifications.
9.3.1.5.
9.3.2. Assembly of Blower Motor/Wheel
9.3.2.1.
motor and back of blower wheel.
9.3.2.2.
located on flat of motor shaft (refer to table 1, Section 1 for torque specifications).
9.3.2.3.
CAUTION: USE EXTREME CARE TO PREVENT DAMAGE OR BENDING OF BLOWER WHEEL DURING
INSTALLATION OF MOTOR AND WHEEL.
9.3.2.4.
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Using a wire brush and cleaning solvent, completely remove old thread sealant. Apply
Apply 1-2 drops of thread sealant to threads of evaporator header nut threads.
Apply thin film of refrigerant oil to the O-rings to prevent damage.
Connect expansion valve to coil header fitting. Refer to table 1, Section 1 for torque
Leak check per Testing and Fault Isolation, Section 3 and then evacuate and charge
Position Blower Wheel on motor shaft. Ensure that there is a 0.25 inch gap between
Apply Loctite 242 threadlocker to set screw and tighten, ensuring that set screw is
Apply a thin bead of RTV to motor and scroll mating surfaces.
Slide motor/blower wheel into scroll and attach with 6 screws and 10 washers.
Original Release
www.safran‐
system per Servicing Section.
12037 N Highway 99
Seminole, OK 74868
Phone (405) 382-0731
www.enviro-ok.com
passenger
‐solutions.com
ATA 21‐00‐60
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