Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual download pdf (Page 51)

G. Removal and Replacement of Condenser

CAUTION

1. Always install a new drier every time the sealed refrigeration system is

opened.

2. Do not replace the drier until after all other repair or replacement has been

made. Install the new drier with the arrow on the drier in the direction of the

refrigerant ow.

3. When brazing, protect the drier by using a wet cloth to prevent the drier from

overheating. Do not allow the drier to exceed 250°F (121°C).

1)Movethepowerswitchtothe"OFF"position,thenunplugtheunit.

2) Remove the panels.

3)Removetherefrigerationsystemcartridge.Performsteps1through14in"IV.B.1.

RecoveryProcedure."Oncetherefrigerationsystemcartridgeisout,proceedtostep4.

4) Remove the condenser thermistor (clogged lter).

5) Disconnect the condenser inlet and outlet piping.

6) Remove the condenser assembly.

7) Remove the air guide, evaporator case cover bracket, and condenser shroud (A) from

the old condenser and attach it to the new condenser. See Fig. 4.

8) Place the new condenser assembly in position.

9) Remove the drier, then place the new drier in position.

10) Braze all ttings while purging with nitrogen gas owing at a pressure of 3 to 4 PSIG.

11) Replace the condenser thermistor (clogged lter) in its correct position.

12)Oncetherepairiscomplete,returntostep15in"IV.B.1.RecoveryProcedure"for

refrigeration system cartridge replacement.

Condenser

Condenser Thermistor

(clogged lter)

Condenser Shroud (A)

Air Guide

Evaporator Case

Cover Bracket

Fig. 4

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 65 66

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Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual Page 51