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Structural Maintenance
157
Figure 245: Source Angle for
Cleaning with Air or Water
Defrost Drains
1. Clean the defrost drains during scheduled
maintenance inspections to be sure the lines
remain open.
2. Make sure that the defrost drain hoses are
routed correctly so they do not drain on the
power receptacle or power source on units
equipped with the SmartPower option.
Unit Installation
All nuts that hold the unit to the trailer are
accessible using an impact wrench with a 10 in.
extension, ball-type swivel and a deep-well
socket.
NOTE: The nuts for mounting the unit should
be elastic stop nuts (Nylock type).
Condenser Fan Alignment
When mounting a condenser fan and hub
assembly on the fan motor the fan and orifice
must be properly aligned for proper air flow and
to prevent damage to the fan.
1. Place the fan assembly on the condenser
motor shaft so the taper lock bushing is resting
on condenser motor shaft shoulder. See Figure
247.
2. Finger tighten the hub bolts till the bolt heads
are flush with the hub face.
3. Using a wrench, do a full turn on each bolt
alternatively. Repeat this step until some
torque builds.
1.
Defrost Drain Hoses
2.
Power Receptacle
Figure 246: Defrost Drain Hose Routing
1
2
1.
Taper Lock Bushing
2.
Condenser Motor Shaft Shoulder
Figure 247: Condenser Fan Installation
1
2