T-340
7–16
b. To remove Omega heater (see
):
1. Remove the two tube clamps located near the top of the heater element.
2. Locate the holding clips positioned at the bottom of the heater element and rotate slightly toward the center
of the container unit.
3. Carefully pull heater out to remove.
Figure 7.9 5+1 Heater Arrangement - Omega Heater
1) Omega Heater
2) Tube Clamps (2)
3) Holding Clips (2)
- - - - -
7.15 Evaporator Fan and Motor Assembly
The evaporator fans circulate air throughout the container by pulling air in the top of the unit. The air is forced
through the evaporator coil where it is either heated or cooled and then discharged out the bottom of the refrigera
-
tion unit into the container. The fan motor bearings are factory lubricated and do not require additional grease.
7.15.1
Replacing the Evaporator Fan Assembly
WARNING
!
Always turn OFF the unit circuit breakers (CB-1 & CB-2) and disconnect main power supply
before working on moving parts.
) by removing mounting bolts and TIR locking device. Reach inside of
unit and remove the Ty-Rap securing the wire harness loop. Disconnect the connector by twisting to unlock
and pulling to separate.
2. Loosen four 1/4-20 clamp bolts that are located on the underside of the fan deck at the sides of the fan
assembly. Slide the loosened clamps back from the fan assembly.
3. Slide the fan assembly out from the unit and place on a sturdy work surface.
7.15.2
Disassemble the Evaporator Fan Assembly
1. Attach a spanner wrench to the two 1/4-20 holes located in the fan hub. Loosen the 5/8-18 shaft nut by hold
-
ing the spanner wrench stationary and turning the 5/8-18 nut counter-clockwise (see
).
2. Remove the spanner wrench. Use a universal wheel puller and remove the fan from the shaft. Remove the
washers and key.
3. Remove the four 1/4-20 x 3/4 long bolts that are located under the fan that support the motor and stator
housing. Remove the motor and plastic spacer.
1
2
3
