Traulsen Page 5

Workshop Manuals
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III. a-SYSTEM(cont’d):
To gain full access to the refrigeration system from the
side, remove the side cover by removing the screws.
When nished, place the louver assembly back into posi-
tion and replace the side panel. Secure these in place
using the previously removed screws.
III. b-EVAPORATOR HOUSING COVER:
If the unit is supplied with a marine work top, rst remove
the work top by removing the mounting screws on the
left and right side of the work top. Next, remove the #3
Phillips head screws from the top of the evaporator and
cabinet space cover.
NOTE: The cover is sealed with RTV which may need
to be scored before removing the cover.
Reverse the procedure when done, to reinstall.
III. c-ACCESSING START COMPONENTS:
The start components are mounted on the compressor.
To access the start components, rst remove the louver
assembly and side panel as instructed in section III. a.
The start components are mounted on the back side of
the compressor.
IV. RE-HINGE DOOR(S)
IV. a-DOOR RE-HINGE INSTRUCTIONS:
Your Traulsen Full Size Undercounter model door(s)
are eld re-hingeable. If re-hinging is required, please
contact our Service Department at 800-825-8220 for
re-hinge instructions.
Illlustration III. 2
III. SERVICE ACCESS (cont’d)
Illustration III. 1
V. CONDENSER FAN MOTOR OR BLADE
V. a-REPLACEMENT INSTRUCTIONS:
Disconnect the electrical power to the machine
and follow lockout/tag out procedures.
Step 1: Remove the louver assembly as outlined in section III.
a. To gain access through left side.
Step 2: Remove the screws holding the fan motor bracket to the
compressor mounting base (see Illustration V.1).
Step 3: Remove the blade from the motor shaft by removing the
nut (see Illustration V. 2).
NOTE: Install the concave side of the fan blade toward the
motor. If the blade is all that is being replaced, stop here and
reverse procedure to install.
Step 4: Remove the mounting bracket from the motor (see
Illustration V. 3).
Step 5: Disconnect lead wires at the compressor junction box.
Step 6: Reverse the procedure to install.
Step 7: Reconnect power to the unit.
Illustration V. 1
Illustration V. 2
Illustration V. 3

Contents Summary of Traulsen

  • Page 1Traulsen Refrigeration SERVICE MANUAL Instructions For The Troubleshooting And Repair Of Traulsen Full-Size Undercounter Refrigerators and Freezers TU044HT, TU072HT & TU100HT Refrigerator Models TU044LT & TU072LT Freezer Models This manual is prepared for the use of trained Authorized Traulsen Servi
  • Page 2TABLE OF CONTENTS I. THE SERIAL TAG Page 1 V. CONDENSER FAN MOTOR OR BLADE Page 4 II. GENERAL INFORMATION Page 2 VI. CONDENSER COIL Page 5 a-Introduction Page 2 VII. EVAPORATOR FAN Page 5 b-Model Designations Page 2 VIII. COMPRESSOR Page 6 c-Wiring Diagram Page 2 IX. WIRING DIAGRAM Page 7 d-Installa
  • Page 3II. GENERAL INFORMATION II. a-INTRODUCTION: II. f-TOOL REQUIREMENTS (cont’d): This manual applies to the following models only: ● Refrigeration Guage Manifold ● Refrigeration Reclaiming Equipment TU Series Full-Size Undercounter Refrigerators ● Acetylene Torch TU044HT, TU072HT & TU100HT ● Anti-Stati
  • Page 4II. GENERAL INFORMATION (cont’d) II. i-THE MICROPROCESSOR CONTROL: II. m-SPECIFICATIONS-REFRIGERATOR: For detailed information on replacement, repair or adjustment of the INTELA-TRAUL® microprocessor control please refer to it’s TU044HT TU072HT TU100HT manual, form number TR35705 or contact our Serv
  • Page 5III. SERVICE ACCESS (cont’d) V. CONDENSER FAN MOTOR OR BLADE III. a-SYSTEM(cont’d): V. a-REPLACEMENT INSTRUCTIONS: To gain full access to the refrigeration system from the Disconnect the electrical power to the machine side, remove the side cover by removing the screws. and follow lockout/tag out pr
  • Page 6VI. CONDENSER COIL VII. EVAPORATOR FAN VI. a-REPLACEMENT INSTRUCTIONS: VII. a-REPLACEMENT INSTRUCTIONS: Disconnect the electrical power to the Disconnect the electrical power to the machine and follow lockout/tag out procedures. machine and follow lockout/tag out procedures. This procedure requires
  • Page 7VIII. COMPRESSOR VIII. a-COMPRESSOR: Disconnect the electrical power to the machine and follow lockout/tag out procedures. This procedure requires the use of re- frigerants, be certain the work area is well ventilated. Safety goggles and gloves shall be worn since refrig- erants may cause burns to t
  • Page 8IX. WIRING DIAGRAM NOTE: Refer to the wiring diagram below (applies to refrigerators and freezers units) for any service work performed by a qualified technician. -7-
  • Page 9X. SERVICE PROCEDURES & ADJUSTMENTS Certain procedures in this section require electrical test or measurements while power is applied to the machine. Excercise extreme caution at all times. If test points are not easily accessible, disconnect power, attach test equipment and reapply power to test. X
  • Page 10X. SERVICE PROCEDURES & ADJUSTMENTS (cont’d) Certain procedures in this section require electrical test or measurements while power is applied to the machine. Excercise extreme caution at all times. If test points are not easily accessible, disconnect power, attach test equipment and reapply power t
  • Page 11X. PROCEDURES & ADJ. (cont’d) XI. ELECTRICAL OPERATION Certain procedures in this section re- XI. a-NORMAL OPERATION: quire electrical test or measurements while power is 1. Conditions applied to the machine. Excercise extreme caution a) Unit connected to correct voltage (check using a volt me- at a
  • Page 12XI. ELECTRICAL OPERATION (cont’d) XI. c-COMPONENT FUNCTION: COMPONENT FUNCTION 1. Compressor Pumps refrigerant thru refrigeration system components and compresses the low pressure vapor into high pressure vapor. 2. Evaporator Fan Draws air across condenser coil to aid in removing heat from the refri
  • Page 13XII. TROUBLESHOOTING Certain procedures in this section require electrical and refrigeration system test or measurements while power is applied to the machine, exercise extreme caution at all times. If test points are not easily accessible, disconnect power, attach test equipment and reapply power t
  • Page 14XIII. SERVICE PARTS LIST NOTE: Part numbers listed are for standard products as currently manufactured. For products manufactured as other than standard, please contact the factory with model and serial number of unit in question. ITEM DESCRIPTION PART NUMBER Casters All Models 6” Adjustable - No Lo
  • Page 15XIV. SERVICE ASSISTANCE XIV. a-SERVICE INFORMATION: NOTE: Before calling for service, please check the following: Is the electrical cord plugged in? Is the fuse OK or circuit breaker on? Clean condenser coil Is the power switch on? Reset microprocessor control values to factory defaults. If after ch
  • Page 16HOURS OF OPERATION: Monday thru Friday 7:30 am - 4:30 pm CST Traulsen 4401 Blue Moud Road Fort Worth, TX 76106 Phone (800) 825-8220 Fax (817) 740-6757 Website: www.traulsen.com Quality Refrigeration © 2009 Traulsen - All Rights Reserved