Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual download pdf (Page 54)

I. Removal and Replacement of Defrost Heater

CAUTION

Be careful when handling both the old and new defrost heaters. The heaters

are sheathed in glass tubes and can possibly cause cuts if broken. The heater

will also be hot after a defrost. Use gloves when handling. Avoid touching the

glass directly; hold the heaters by the ends.

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) Remove the defrost heater from the defrost heater bracket. See Fig. 8.

3) Disconnect the defrost heater wires.

4) Carefully remove the defrost heater.

5) Place the new defrost heater into position.

6) Connect the new defrost heater wires.

7) Once the repair is complete, return to step

17in"IV.B.2.Pump‑DownProcedure"for

refrigeration system cartridge replacement.

5. Condenser Thermistor (clogged lter)

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

unit.

2) Remove the left side panel.

3) Remove the aluminum tape and cut the cable tie securing the thermistor. See Fig. 7.

4) Remove the thermistor. Disconnect the wire connection (below the control box).

5) Install the new thermistor and secure with a cable tie and aluminum tape.

6)Plugintheunit,thenmovethepowerswitchtothe"ON"positiontostarttheunit's

cooling process.

Condenser Thermistor

(clogged lter)

Fig. 7

Fig. 8

Defrost Heater

Defrost Heater Bracket

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Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual Page 54