Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual download pdf (Page 53)

3. Defrost Thermostat

1)Removetherefrigerationsystemcartridge.Performsteps1through16in"IV.B.2.

Pump‑DownProcedure."Oncetherefrigerationsystemcartridgeisout,proceedto

step 2.

2) Disconnect the defrost thermostat wires, then remove the defrost thermostat.

See Fig. 5.

3) Install the new defrost thermostat and connect the thermostat wires.

4)Oncetherepairiscomplete,returntostep17in"IV.B.2.Pump‑DownProcedure"for

refrigeration system cartridge replacement.

4. Rail Thermistor

1)Openthefrontpanel.Movethepowerswitchtothe"OFF"position,thenunplugthe

unit.

2) Remove the storage pans from the rail area. If wet, dry the rail area with a dry cloth.

3) Remove the left side rail fan motor shroud. See Fig. 6.

4) Cut the ties securing the rail thermistor to the bracket.

5) Secure the new thermistor connector to the old thermistor in the rail area. DO NOT cut

the new thermistor wire.

6) Remove the wire access hole sealant and grommet.

7) Push the old thermistor wire (with new thermistor wire securely attached) into the

rail channel. Once the new thermistor wire is in the channel, replace the access hole

grommet. Remove the left side panel, then pull the thermistor wire through the rail

channel.

8) Disconnect the old thermistor connector from the control box connector, then connect

the new thermistor connector to the control box connector.

9) Secure the new rail thermistor to the bracket with a cable tie.

10) Seal the access hole with food grade silicone.

11) Replace the rail fan motor shroud in its correct position and secure. Make sure all wires

are clear of the fan.

12) Replace the panel and empty storage pans in their correct positions.

13)Plugintheunit,thenmovethepowerswitchtothe"ON"positionandtherailswitchto

the"NORMAL"positiontostarttheunit'scoolingprocess.

14) Do not place food product in the rail area until the rail section has cooled down.

Rail Thermistor

Fig. 6

Rail Fan Motor

Bracket

Rail Fan Motor

Shroud

Rail Fan Motor

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 65 66

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Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual Page 53