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Page 20

6-50

7040317 - Revision A - September, 2015

Component Removal

Built-In (BI) Series

Built-In (BI) Series

(SWS #4380000)

(SWS #4380000)

Heat Exchanger 

The freezer heat exchanger passes through the ceiling
of the compartment.

NOTES:

•

The high-side filter-drier must also be replaced when
replacing a heat exchanger.

To remove a heat exchanger, first capture the refriger-
ant from the sealed system, then (See Figure 6-124):

1.

Extract evaporator mounting screws, then pull and
rotate evaporator so heat exchanger is accessible.

2.

With a file, score a line around capillary tube, 1” or
less from evaporator inlet, then fatigue capillary
tube at this line until it separates.

3.

With a tube-cutter, cut suction tube 1” or less from
evaporator outlet stub, then remove evaporator
from compartment.

4.

With a tin snips, or similar tool, cut heat exchanger
in compartment as close as possible to ceiling
where heat exchanger passes through.

5.

Use a tube-cutter to cut drier from condenser outlet
tube.

6.

Using a tube cutter, cut suction line approximately
1” from compressor.

7.

Pull remaining heat exchanger from unit.

NOTES:

•

Do not sweat tubing apart.  Doing so will induce
moisture into the sealed system.

•

When replacing the heat exchanger, it is recommend-
ed to attach it at the evaporator end first, then feed
the heat exchanger through hole, up to compressor
area.

Figure 6-124.  Freezer Heat Exchanger Removal

Freezer

Evaporator

Cut

Here

Cut Here

Summary of Contents for 4380000

Page 1: ...BI 36F 111 subzero com 800 222 7820 BI Service Manual ...

Page 2: ...at top center must be extracted before pulling the dual installation kickplate forward See Figure 6 77 Drain Pan The drain pan slides in from the front of unit on two side brackets A locating feature was built into the drain pan in the form of detentes at the bottom front that drop into notches at the front of the side brackets To remove the drain pan See Figure 6 78 1 Remove kickplate 2 Push fron...

Page 3: ...unting screws 2 With a T 20 6 lobe Torx type bit extract the two front grille mounting screws then loosen but do not remove the two rear mounting screws 3 pull the grille assembly forward off of the unit NOTE When reinstalling the grille assembly line up the notches at back of grille side frames with the rear mounting screws then push the grille assembly back Water Filter The water filter and mani...

Page 4: ...n place To remove a door switch first open the grill then See Figure 6 83 1 Disconnect the switch electrical leads using a nee dle nose pliers to pull the electrical lead housings away from the switch 2 Use a small flat blade screwdriver to pry the front retaining tab at each side of the switch back while lifting that side of the switch up Repeat this step on each side of the switch 3 Pull switch ...

Page 5: ...screws and pull the trim from the door See Figure 6 86 Stainless Steel Door Handle Assembly A screw inserted through the stainless steel handle standoffs into the handle secures the handle to the standoffs The standoffs are then slides over threaded studs that are attached to the door shell A socket head set screw inserted through the side of the standoff secures the standoff to the stud To remove...

Page 6: ... 6 88 NOTE If the setscrew is not inserted far enough it will damage the hinge plate when closing the door if it is inserted too far it will not hold the door hinge in the correct position when closing the door 3 Extract the inner door hinge mounting screws leav ing the outermost screw in place See Figure 6 88 4 insert the hinge spacer included in the special tool package between the door closer g...

Page 7: ... the door open the door forty five to ninety degrees and lift it off of the bottom cabinet hinge assembly See Figure 6 91 Bottom Cabinet Hinge Assembly The bottom cabinet hinge assembly is attached to the bottom of the unit with bolts To remove the bottom cabinet hinge assembly first remove the top hinge assembly and the door Then using a 1 2 wrench or socket extract the cabinet hinge mounting bol...

Page 8: ...l and adjustment of the door shelves is achieved by sliding the grooves in the shelving end caps over the molded retaining ribs of the door liner Lift out and up to remove push in and down to install See Figure 6 94 Cantilever Shelf Assembly To adjust and or remove a freezer cantilever wire shelf assembly See Figure 6 95 1 Lift front of shelf up slightly 2 Lift back of shelf up to disengage the sh...

Page 9: ...asket open until it stops 2 Remove basket contents 3 Simultaneously depress both locking tabs under bottom front corners of basket assembly and lift up on basket front 4 With basket front straight up place bottom corner of basket on hinge side into gap between door and face frame then pivot other end of basket assembly out of the compartment Freezer Basket Slide The basket slides are secured with ...

Page 10: ... 6 100 1 At each end of diffuser pull it down to disengage diffuser bottom flange from behind lower metal flange 2 At each end of diffuser pull it forward to disengage diffuser top flange from behind upper metal flange and remove diffuser from the compartment Upper Light Diffuser Assembly The upper light diffuser assembly located at the top of the freezer compartment is held in place by inverted T...

Page 11: ...r interface module UIM is located at the top front of the freezer compartment and is secured with tabs at each end fitting into slots in the display support To remove the user interface module first remove the upper light diffuser then See Figure 6 103 1 At each end of user interface module reach behind the control panel and push the lower tabs upward while pulling the bottom edge away from the di...

Page 12: ...ment Fill Tube Heater To Remove the fill tube heater first remove all can tilever shelves the fixed glass shelf upper freezer bas ket assembly icemaker assembly upper light diffuser light diffuser brackets upper duct assembly and middle duct assembly then unplug the fill tube heater and slide it off of the fill tube See Figure 6 106 Lower Duct Assembly The lower duct assembly is held in place with...

Page 13: ... To remove the evaporator fan motor first remove all cantilever shelves the fixed glass shelf all freezer bas kets icemaker assembly upper light diffuser light dif fuser brackets upper duct assembly middle duct assembly and lower duct assembly then See Figure 6 109 1 Pull fan blade from fan motor shaft 2 Using a flat bladed screwdriver pry fan bracket clips off of the tabs at each side of shroud b...

Page 14: ...bly upper light diffuser upper duct assembly middle duct assembly and lower duct assembly then See Figure 6 112 1 Extract the right wire cover mounting screws and pull wire cover from compartment 2 Cut cable tie securing thermistor to evaporator 3 Cut thermistor s wire leads six 6 to twelve 12 inches from the back wall then pull thermistor from compartment NOTE When replacing the thermistor be sur...

Page 15: ...ssembly Tabs at the back of the condenser fan shroud fit into grommets in the condenser s rear bracket A hole in the bottom front flange of the condenser fan shroud fits down over a threaded stud and a nut is then applied onto the stud The front flange of the condenser fan shroud assembly is then secured to the front condenser bracket with screws To remove the condenser shroud assembly first remov...

Page 16: ...Extract screws securing motor to brackets NOTE The brackets will unhook from the grom mets in the shroud after the screws are removed 2 To remove fan blade from fan motor grab blade and pull the blade from the motor shaft Water Filter Reset Switch The water filter reset switch is secured to the inside of the condenser shroud front flange by retaining clips To remove the water filter reset switch f...

Page 17: ... the sealed system the high side filter drier MUST be replaced High Side Filter Drier NOTE It is not necessary to slide the unit tray forward in order to replace a high side filter drier To remove a high side filter drier first capture the refrig erant from sealed system then See Figure 6 119 1 With a file score a line around capillary tube 1 or less from drier outlet then fatigue capillary tube a...

Page 18: ... tray is slid back into position Condenser Holes in the front and rear bottom flanges of the con denser fit over threaded studs in the unit tray then a nut is applied to each threaded stud to hold the con denser in place NOTES See WARNING and NOTES under the heading of Model BI 36F Sealed System Components before continuing The condenser inlet and outlet stubs are at the rear of the condenser Afte...

Page 19: ... 6 123 1 Remove defrost heater defrost terminator and evaporator thermistor from evaporator 2 Extract evaporator mounting screws then pull and rotate evaporator so heat exchanger is accessible 3 With a file score a line around capillary tube 1 or less from evaporator inlet then fatigue capillary tube at this line until it separates 4 With a tube cutter cut suction tube 1 or less from evaporator ou...

Page 20: ...apillary tube at this line until it separates 3 With a tube cutter cut suction tube 1 or less from evaporator outlet stub then remove evaporator from compartment 4 With a tin snips or similar tool cut heat exchanger in compartment as close as possible to ceiling where heat exchanger passes through 5 Use a tube cutter to cut drier from condenser outlet tube 6 Using a tube cutter cut suction line ap...

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