Transport Installation Ops Manual
Contents
1. Trailer Wiring Diagram 2 0 0 0 eee eee ee eee Polar Temp A Southeast Cooler Corporation Company Page 4 Page 5 Page 5 Page 6 and 7 Page 7 thru 10 Page 11 Page 12 Page 13 thru 14 Page 15 Page 16 thru 20 Page 21 Page 22 23 and 24 Page 25 26 and 27 Page 28 thru 33 Page 34 Installation Operation amp Maintenance Manual Part Number 0000886 2 of 37 Policy Statements RA A 35 36 Warranty Parts Orders Method of Shipment Ship Dates Return of Merchandise Pricing Factory Sales Page 37 Revision Level Original February 19 2004 Revision January 31 2005 Revision April 21 2005 Revision April 17 2006 Revision April 26 2011 Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 3 of 37 DISCLAIMER Polar Temp is committed to continuous material and product improvements This manual is subject to modification without notice without incurring responsibility for previously sold merchandisers and components Thank you for purchasing from Polar Temp Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 4 of 37 INSPECTION AND UNPACKING Polar Temp Ice Transport IT Truck Bodies TB and Pallet Load PL units are individually inspected and carefully packag2. POLAR TEMP ICE MERCHANDISERS POLAR TEMP ICE TRANSPORT with TRAILER TRUCK BODY and PALLET LOAD SERIES INSTALLATION OPERATION amp MAINTENANCE MANUAL Model 3 x 7 Model 4 x 8 Model 4 x 8 Super Sized Model 5 x 9 Model 5 x 10 Model 7 x 12 Model 7 x 16 9 3 1 Flags Drive Austell 30168 Visit our website www polartemp com TABLE OF CONTENTS Disclaimer sss dodo Ue a qe oe eae gos Inspection and unpackineg s Lesen Le TT RR a ss 9 Electrical 9 Start up 9 Temperature Control 9 Load with Bagged Ice es orte m teo a eulos 9 Refrigeration 9 Defrosting 9 Cold Wall CW 9 Auto Defrost AD Finish Axle Tires and Wheels Hitch Jack Safety Chains Signal Stop and Safety Lights Break Away Kit Hitch Assembly Insulated Body Door Gasket and Frame Door Hinges and Lock Interior and Auxiliary Lighting Body Mounting Automatic Defrost Wiring Diagram Cold Wall Wiring 1 Automatic Defrost Trouble Shooting Guide Cold Wall Troubleshooting Guide Refrigeration and Electrical Diagnostic Guide Refrigeration Data and Specifications Trailer LIDS ae sient ais ele es Frequently Asked Mounting Hole Pattern
3. B R E R E OL pepunoio sexe1g 2135214 gau enig ung 14 92919 UNL 4391 11 puno15 19 534271 WI uaoidg I9 TeA OL popunoi5 19816425 yeoig MATA APIS 15 Snid utd 4 Mid POLAR TEMP TRANSPORT TRUCK BODY and PALLLET LOAD UNIT POLICY Warranty Seller warrants the goods sold to be free from defects in materials and workmanship under normal conditions and use for the following period of time Compressor five 5 years from the original date of shipment Merchandiser Parts one 1 year from the original date of shipment Labor 60 days Purchaser s authorized service technician must contact factory for approval This warranty applies to goods installed in the continental United States Canada and the Caribbean Islands only Seller s sole obligation under this warranty shall be limited to repair or replacement of any part or parts of said goods F O B Seller s factory which proves defective within the applicable warranty period Seller reserves the right to inspect allegedly defective goods and to require the return at the Buyer s expense of goods for the purposes of inspection This warranty shall not apply to any good or any part thereof which has been subject to any a
4. 1 866 827 3232 California 1 866 746 0437 Georgia 1 770 945 2181 Colorado 1 719 522 0955 Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 37 of 37
5. and Marker Lights Trailer and Truck Bodies A standard 7 pin trailer light kit is used Keep the electrical connector lubricated with an electrical lubricant Always check lights before traveling Break A Way Kit Trailer Units Another important safety feature is the Break A Way kit that in the event of the trailer coming detached from a vehicle the Break A Way Kit powered separately from the pulling vehicle activates the trailer brakes Check operation of the breakaway hitch before every move Note The cable from the break away switch to the vehicle pulling the trailer should be slightly shorter than the safety chains so the trailer brakes will be activated prior to the chain activation 4 17 06 Hitch Assembly Trailer Units Lubricating the ball coupling area of the hitch periodically is recommended to reduce friction and premature wear BODY Insulated Body The body is made with rock hard high performance polyester prepainted sheetmetal exterior wall surface and galvanized G90 interior wall surface insulated with CFC free foamed in place polyurethane The floor is made with three 7 wide channels spaced for standard pallets with 22 Ga G90 galvanized sheetmetal and robust slip resistant diamond plate aluminum Door Gasket and Frame Door openings are formed with a recessed type PVC channel allowing the door to be recessed into the opening providing a rigid well insulated entry The door has a magnetic gasket providing a po
6. position Thermostat setting Condenser coil is dirty Incorrect refrigerant charge Condenser fan motor and compressor are not running Condenser fan motor is not operating Compressor is not operating Check thermostat setting Check refrigerant charge Polar Temp A Southeast Cooler Corporation Company Solution Turn switch to ON position Thermostat should be set between 10 and 20 F Clean condenser Check sight glass for bubbles indicating wrong charge Add refrigerant Locate refrigerant leak Check power supply Check if thermostat has failed Check if compressor is hot which may indicate that the condenser fan motor has failed causing the thermal overload in the compressor to trip Check electrical power to motor Check electrical power to compressor Check relay overload protector and start capacitor Check compressor motor Thermostat should be set between 4 and 6 Adjust if necessary Installation Operation amp Maintenance Manual Part Number 0000886 15 of 37 REFRIGERATION and ELECTRICAL Problem Compressor will not start no hum Compressor will not start hums but trips on overload protector DIAGNOSTIC GUIDE Possible Cause Be sure power is being supplied to the unit Ambient colder than thermostat setting Unit is in defrost Overload protector stuck in open position Thermostat stuck in open position Wiring improper or loose Improperly w
7. the inside the unit Electrical service connections must be in accordance with the National Electrical Code state code and any local codes that may apply All units are equipped with a power cord and a 3 prong plug WARNING Improper use or removal of the grounding plug can result in a risk of electric shock Be sure to use a grounded electrical receptacle with a fused circuit sized correctly for the electrical load Extension cords may decrease the voltage to the unit and ultimately cause the compressor or other component failure The unit data plate indicates the recommended maximum overcurrent protective device size Note Some outdoor locations require ground fault interrupt GFI outlets These outlets may trip upon condensing unit start Refrigeration equipment is exempt in some areas from GFI requirements Local electric codes should be checked This units require 120 volt ac and a 20 amp breaker The unit was shipped with a 10 gauge 25 foot 3 conductor power cord If you require a longer cord it should be of heavier gauge per the chart below Cord Length Minimum Wire Size Up to 50 feet 10 AWG Up to 100 feet 8 AWG Up to 150 feet 6 AWG Up to 200 feet 4 AWG Using a power cord of inadequate size can result in hard starting inefficient operation and shortened compressor life Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 6 of 37 Start Up Plug the unit p
8. IONS R404A system Automatic Defrost Actual minimum amp draw may vary Model HP Condensing Metering Defrost Refrigerant Charge Min Max Unit Coil Device Heater Type Ounces Amps Volts Amps 3x7 1 2 Danfoss 2 fan TX Valve 400w 404a 18 14 3 110V 20 4x8 1 2 Copeland 3 fan TX Valve 600W 404A 64 22 2 115V 30 5 9 3 4 Copeland 3 fan TX Valve 800W 404A 64 22 2 115V 30 x 10 3 4 Copeland 3 fan TX Valve 800W 404A 64 22 2 115V 30 T x 12 3 4 Copeland 3 fan TX Valve 800W 404A 64 22 2 115V 30 T x16 3 4 Copeland 3 fan TX Valve 800W 404A 64 22 2 115V 30 POLAR EXPRESS ICE TRANSPORTER REFRIGERATION DATA AND SPECIFICATIONS R404A system Cold Wall Actual minimum amp draw may vary Model HP Condensing Metering Refrigerant Charge Min Max Unit Device Type Ounces Amps Volts Amps 3x7 1 2 Danfoss TX Valve 404A 18 13 1 110V 15 4x8 1 2 Copeland TX Valve 404A 64 19 4 115V 30 5x9 3 4 Copeland TX Valve 404A 64 22 2 115 30 5 X 10 3 4 Copeland TX Valve 404A 64 22 2 115V 30 Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 21 of 37 Trailer Tips Tip 1 Always make sure the tires on your trailer are inflated to the proper air pressure as specified by the tire manufacturer Tip 2 Check wheel fastener torque freq
9. TRICAL Problem Compressor starts and runs but short cycles on overload protector Compressor runs a long time or continuous DIAGNOSTIC GUIDE continued Possible Cause Low line voltage to unit Overload protector defective Starting capacitor defective Excessive discharge pressure Compressor too hot return gas hot Compressor motor has a winding shorted Dirty condenser Refrigerated space has excessive load Evaporator coil iced Thermostat contacts stuck in closed position Shortage of refrigerant Polar Temp A Southeast Cooler Corporation Company Solution Check power supply Contact Electric Company Replace overload protector Replace start capacitor Check ventilation restrictions in cooling medium restrictions in refrigeration system Check refrigerant charge fix leak add refrigerant if necessary Replace compressor Clean condenser Reduce load Check for open door or bad door gasket Defrost Replace thermostat Fix leak add charge Installation Operation amp Maintenance Manual Part Number 0000886 18 of 37 REFRIGERATION and ELECTRICAL Problem Starting Capacitor open Relay defective or burned out DIAGNOSTIC GUIDE continued Possible Cause Relay contacts not closing Prolonged operation on start cycle due to low line voltage Prolonged operation on start cycle due to improper relay Excessive short cycling Compressor starts and
10. adjustment procedure and recommended grease Please review the Dexter Service Manual for instructions and specifications relating to bearing adjustment and lubrication WARNING It is important to NOT mix different types of grease thickeners The grease that Dexter Axle uses has a Lithium Complex thickener Mixing our grease with a Barium Calcium Clay or Polyurea soap based thickener agent will cause adverse affects This may include causing the two greases to harden separate become acidic or pose other hazards and damage to the bearings BRAKES How often should I adjust my brakes Dexter recommends that manual adjust brakes should be adjusted 1 After the first 200 miles of operation when the brake shoes and drums have seated 2 At 3 000 mile intervals 3 Or as use or performance requires BRAKES Why aren t my electric brakes working Most electric brake malfunctions that cannot be corrected by either brake adjustment or synchronization adjustments of your brake controller can generally be traced to electrical system failure Mechanical causes are ordinarily obvious i e bent broken parts worn out linings or magnets seized lever arms or shoes scored drums etc A voltmeter and ammeter will be essential tools for proper troubleshooting of electric brakes NOTE After replacing your brake shoes and magnets you will experience a decrease in braking performance until the components have worn into the drum and finished the burnis
11. ags accordingly Normal setting is between 10 and 20 F on the dial Jump terminals on thermostat to check if unit starts replace thermostat Check to see if fan blade is slipping on the motor shaft Clean condenser Check sight glass for bubbles indicating wrong charge Add refrigerant Locate refrigerant leak Check power supply Check if defrost timer is stuck in defrost mode Check if compressor is hot this may indicate that condenser fan motor has failed causing thermal overload on compressor to trip Check electrical power to motor Check electrical power relay overload protector start capacitor and compressor motor Installation Operation amp Maintenance Manual Part Number 0000886 13 of 37 AUTOMATIC DEFROST TROUBLESHOOTING GUIDE continued Problem Ice is melting Possible Cause Evaporator fan motor not running Check for ice build up on the evaporator coil Polar Temp Solution Check power supply to motor Check for faulty fan motor Check power to defrost heater Check defrost heater for heat Check defrost termination thermostat Check defrost timer A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 14 of 37 COLD WALL TROUBLESHOOTING GUIDE If refrigerant valves must be opened a qualified technician should be notified to perform the work Problem Ice is melting Possible Cause Power switch is in OFF
12. ccidents or negligence or abuse of misuse alteration or detrimentally affected its physical condition use or operation qualities Parts Orders Please order parts by Polar Temp part number as listed in the replacement parts catalog Call Polar Temp factory sales location for replacement parts catalog Always have available the model and serial number of the cabinet and in some cases the manufacturers name and model number of the part In case of warranty replacement this information is required Parts will not be issued as warranty or warranty authorized without this information Method of Shipment Every shipment is carefully packed for domestic shipment and labeled to prevent damage or loss in transit Specify where shipment should be sent freight express parcel post airfreight or united parcel If no preference is given or in case of freight shipment the routing is not furnished shipment will be made according to our discretion without liability of any kind on our part for each selection We welcome your suggestions on preferred carriers for better service Common carrier shipments are forwarded freight collect Under pre approved circumstances where transportation charges are prepaid they will be added to the invoice Please note that prepaid freight charges are subject to sales tax if a signed sales tax exemption certificate is not on file with Polar Temp All UPS shipments will be prepaid and added to the invoice Polar Temp A S
13. e MAINTENANCE Refrigeration WARNING disconnect electrical power before cleaning Clean refrigeration cover grill openings condenser fins and condenser fan blades at least two 2 times per year more often if needed A dirty condenser will cause the refrigeration system to become less efficient and may lead to compressor failure Clean the evaporator coil and fan blades on auto defrost units as required Clean condenser coil fins with a fine bristle brush or vacuum e Routinely check wiring harnesses for loose connections or broken insulation e Defrosting Frost cannot be avoided It develops from moist air entering storage area when the door is opened Frost forms on the cold evaporator on automatic defrost units and on the walls evaporator of a cold wall refrigeration system When the frost Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 7 of 37 accumulation the evaporator becomes too heavy it acts as an insulator which hinders the refrigeration efficiency Excess frost or water on the interior of the unit should be removed or drained Do not allow water to stand in the unit Cold Wall CW Cold Wall type units utilize the interior wall surface as the refrigeration evaporator Frost accumulation will occur on all wall surfaces The unit can be defrosted by conventional methods using a wooden paddle or plastic scraper Care must be exercis
14. e trailers come standard with electric brakes on the rear axle Hydraulic brakes are optional Easy lube hubs allow you to grease bearings without disassembly Tires and Wheels White painted corrosion resistant wheels that exceed the rated capacity of the trailer are standard Highest quality bias ply tires are used to match trailer capacity These properly matched accessories eliminate possibilities of sway Wheels are fastened adequately with five lug nuts Check the lug nuts and tire pressures periodically for safe travel Refer to the VIN plate for recommended tire pressure and tire size Replace tires with identical size tires as was received on the trailer WARNING Failure to follow these instructions may result in wheel loss which can cause injury or death Torque wheel nuts to 90 120 ft Ibs before first road use Re torque to 90 120 ft Ibs after 10 25 and 50 miles Check periodically thereafter Rev 4 17 06 Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 8 of 37 Hitch Jack Trailer Units A side wind tongue jack with foot is located at the hitch allowing for easy raising and lowering for hook up and disconnect from your vehicle Lubricate the gears periodically Safety Chains Trailer Units 6 foot safety chain with hooks is provided on all trailers Examination of the chains and the welded connecting area should take place before each trip Signal Stop
15. e unevenly loaded and can result in premature tire or axle failure Tip 12 Inspect your emergency breakaway devices to make sure they are in good working order before each use Tip 13 When loading your trailer make sure enough weight is being carried on the hitch to ensure proper weight distribution and good handling Tip 14 Never fix an air leak of your wheel by putting a tube in the tire The only safe solution for a leaky wheel is to replace it Tip 15 Support the back of the trailer at the ramps when loading up equipment or vehicles to prevent overloading the rear axle Tip 16 Remember to use recommended safety tools personal protection and procedures when servicing your trailer Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 22 of 37 Tip 17 Follow the trailer manufacturer s guidelines for lifting and supporting trailer when servicing running gear Tip 18 Use caution when servicing brakes since some lining materials can contain asbestos Tip 19 Remember to lubricate the moving parts in your brake per the manufacturer s recommendations Proper maintenance will prevent them from seizing up Do not allow grease or oil to contaminate the linings drum surfaces or magnets Tip 20 The Gross Axle Weight Rating GAWR of your running gear is determined by the lowest rated component in the assembly The capacity of the wheel tire axle brake sp
16. e a trailer or pickup truck should be strong enough to support the unit with a load of ice Be sure to check the load capacity of the mobile unit prior to installing the box on it It is essential that auto defrost models be parked on a level surface to allow defrost water to drain properly If defrost water does not drain it will freeze in the drain pan which can eventually cause the fans to seize Auto defrost models should be parked to prevent the evaporator drain hose from being kinked or hose opening from being obstructed Adequate space should be allowed around the exterior walls of the unit to allow for evaporation of any condensation that may occur on exterior surfaces The units should be located in a shaded area away from direct sunlight for the most economical operation Good ventilation for the refrigeration system is required DO NOT BLOCK AIRFLOW TO THE CONDENSING UNIT Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 5 of 37 minimum 115 Volt 15 or 20 Amp grounded power source should be provided within a range of the power cord USE ONLY PROPERLY SIZED EXTENSION CORDS A 12 GUAGE MINIMUM CORD IS RECOMMENDED BUT PROPERLY SIZED CORDS DEPEND ON THE LENGTH OF TRAVEL FROM THE POWER SOURCE TO THE UNIT OPERATION Electrical The electrical power supplied to the unit must be as identified on the serial number data plate located on
17. earing life and may lead to dangerous bearing failure WHEELS amp TIRES What tires can I use on these wheels Wheels and tires must be matched The wheel will have a label stating it s rim diameter width and contour The tire selected must be approved by the Tire and Rim Association for use on that particular size wheel The tire capacity selected should not exceed the capacity rating of the wheel The tire inflation pressure must not exceed the pressure rating of the wheel WARNING The use of tires that are not approved for use on a wheel could result in explosive separation of the tire and wheel and could cause a serious accident Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 26 of 37 WHEELS amp TIRES Why do I need to re torque my trailer wheels when I don t do that on my truck Trailer wheels carry substantially more weight than tow vehicle wheels of the same size and see more disc flexing due to side loading stresses It is necessary to re torque them several times until the wheel nut torque stabilizes This is especially true for new wheels that need to have the paint worn away at the hub mounting face and under the wheel nuts WARNING Be very careful to use only the recommended wheel fastening torque amount as specified for that wheel and fastener It is possible to permanently damage a wheel that has been over torqued and may cause the loss of that wheel fr
18. ed to ensure each unit arrives without damage Upon receipt immediately inspect the units for any evidence of shipping damage while the delivery truck driver is there If the unit is damaged document damage on the bill of lading and give the driver a copy Notify the delivering carrier immediately and request a damage inspection and claim Polar Temp is not responsible for damage to the unit during transit A unit damaged in transit is the delivering carrier s responsibility e Remove the wood shipping base and other protective materials First carefully cut the steel bands that extend around the top and through the shipping base area After removing the bands again be careful as the remaining wood protective material is removed from around the unit The wood protective material at the front and rear of the unit should be removed prior to the top material Be aware that the top protective material could fall Ask for help as this material is being removed Finally remove the plastic protective wrap from the unit INSTALLATION Carefully raise the unit into position with a forklift or other safe device rated to lift the load and slide it into the pickup box trailer or pallet load location Approximate weight of the model 3 x 7 is 700 Ibs model 4 x 8 is 1200 lbs model 5 x 9 is 1500 Ibs model 5 x 10 is 1700 165 model 7 x 12 is 2000 Ibs and model 7 x 16 is 2500 lbs The mobile unit whether it b
19. ed to prevent damaging piping and control parts Do not use a sharp instrument to chop the frost from the interior surface as you may do irreparable damage Auto Defrost AD Auto Defrost sometimes referred to as electric defrost type unit utilize a evaporator with an electric defrost heating element to melt the frost off the evaporator coil The defrost cycle is controlled by the defrost timer which energizes the defrost heating element The defrost timer is located in the condensing unit compartment or control box The control is pre set to periodically place the system in a defrost cycle automatically every six 6 hours The length of the defrost cycle is approximately 14 to 16 minutes The timer used is adjustable to set for your specific requirements Finish Schedule periodic cleaning of the unit interior and exterior The unit can be cleaned with a mild detergent and water DO NOT USE strong detergents abrasive cleaners or solvents as they are likely to leave objectionable odors which may be absorbed by the ice Do not use wax or polish on the interior for the same reason Wash exterior surfaces with a mild soap and warm water applied with a soft sponge or cloth Wax exterior to maintain appearance and to protect the finish just as you would an automobile Axle The safest and most proven suspension system available comes with springs and equalizers This allows all four tires to remain in contact with the road two axl
20. hing process This process requires many stops to bring the new shoe s performance back to normal This may take more than 100 stops to finish this break in period with stops of 20 mph decreases in speed Please refer to the Dexter Service Manual for detailed troubleshooting instructions to further determine the cause of poor brake performance BRAKES Why can t I lock and slide my electric brakes On an unloaded trailer you may be able to lock up your brakes if your electric brake controller is supplying full amperage to the brakes When loaded to capacity you may not be able to lock your brakes as electric brakes are designed to slow the trailer at a controlled rate and not designed to lock up the wheels on a fully loaded trailer Our brakes are designed to meet all applicable safety standards All of our brakes will perform better after numerous burnish stops to seat the brake linings to the drums Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 25 of 37 BRAKES Why do I have to adjust my brakes Brakes must be adjusted to compensate for the lining and drum wear that occurs during the use of the braking system Some brakes require manual adjustment to move the linings closer to the drum Refer to the brake adjustment section of the OPERATION MAINTENANCE MANUAL for your style of brakes Other brakes may have an automatic brake adjuster such as the automatic slack adjuste
21. ired Low voltage to unit Starting capacitor defective Relay failing to close Polar Temp A Southeast Cooler Corporation Company Solution Check power cord Check plug in Check breaker switch Adjust thermostat if necessary Allow defrost cycle to complete usually 15 20 minutes or turn manual control on defrost Replace overload protector Replace thermostat Check actual wiring against diagram Check actual wiring against diagram Check power supply Contact Power Company Replace start capacitor Determine reason and correct or replace Installation Operation amp Maintenance Manual Part Number 0000886 16 of 37 REFRIGERATION and ELECTRICAL DIAGNOSTIC GUIDE continued Problem Possible Cause Solution Compressor will not start Compressor motor has a Replace compressor hums but trips on winding open or shorted overload protector Internal mechanical trouble Replace compressor in compressor Compressor starts but Improperly wired Check wiring does not switch off of against diagram start winding Low voltage to unit Determine reason and correct Relay failing to open Determine reason and correct or replace Compressor motor has a Replace compressor winding open or shorted Internal mechanical trouble Replace compressor in compressor Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 17 of 37 REFRIGERATION and ELEC
22. long periods of storage Tip 29 Axles fitted with Dual wheels should never be operated with only one wheel in place or with one of the two tires flat Doing so can seriously overstress the wheel bearings and result in bearing failure Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 23 of 37 Tip 30 Mixing aluminum wheels and steel dual wheels will result in galvanic corrosion between the two dissimilar metals This corrosion can cause wheels to loosen and possibly result in stud failure and wheel run off Tip 31 Replace brake shoes if the linings have been contaminated with oil or grease are less that 1 16 thick or are abnormally scored or gouged Minor cracks in linings are not detrimental unless chunks of the linings are missing Tip 32 Remember that your new brake shoes need to be burnished or seated in This process may take quite a few stops to get the shoes fully worn in before maximum brake performance can be achieved Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 24 of 37 Frequently Asked Questions BEARINGS How often should I grease the bearings Along with bearing adjustment proper lubrication is essential to the current function and reliability of your trailer axle Bearings should be lubricated every 12 months or 12 000 miles BEARINGS What is the proper bearing
23. om the trailer For additional information go to www dexteraxle com Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 27 of 37 5 eol SW ejod SLYOddNS WOOT dqWIIVAL 401 42 X amp 5 eol SW ejod SLYOddNS WOOT dqWIIVAL 401 42 X amp 5 eol SW ejod SLYOddNS WOOT dqWIIVAL 401 42 X amp 5 eol SW ejod SLYOddNS WOOT dqWIIVAL 401 42 X amp 5 eol SW ejod SLYOddNS WOOT dqWIIVAL 401 42 X amp 5 eol SW ejod SLYOddNS WOOT dqWIIVAL 401 42 X amp 20955 siesipueupiey eoi duie Jejiogd ysn py yoo sexelg JI oj pepunory eq jsny se eig oug punous eug sexe1ig speeT OVUM punoi Sexe1g Se pos 5 S urjunoW umi 342814 14 2217 91490 49JeS Woyrag xeoig s1u3r Suruuny WI uaodg sexe1g otnoepg gi enig soxe1ig OL punoz5 9 991 w 3 3 B
24. orts of the trailer A drawing showing hole patterns for mounting transport units to the trailer or truck is included with this manual Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 10 of 37 Transport Unit AD Wiring Diagram Rev 3 9 11 Chris McCannon Part 0002199 ECR 0000060 115 VAC lar Temp Southeast Cooler Corporation Company Installation m amp Maintenance Manual Nimat 0000886 11 of 37 2640 9880000 Joquiny Hed jenuejy uoneredo 7505000 iseouinos y uouUe2o N SUD l v2 z MO un 1 SK O e 1015 1 105591909 30 40 JOMOd punode T OVA SII AUTOMATIC DEFROST TROUBLESHOOTING GUIDE If refrigerant valves must be opened a qualified technician should be notified to perform the work Problem Ice is melting Possible Cause Power switch is in OFF position Ice bags are blocking air flow Thermostat setting Evaporator fan motors are operating but the fan blade is not turning Condenser coil is dirty Incorrect refrigerant charge Condenser fan motor and compressor are not running Condenser fan motor is not operating Compressor is not operating Polar Temp A Southeast Cooler Corporation Company Solution Turn switch to ON position Move ice b
25. outheast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 35 of 37 POLAR EXPRESS ICE TRANSPORTER POLICY Ship Dates Promise of delivery represents only our best estimate of the time required completing the work and shipping the product from our plant Orders are accepted with the understanding that shipping dates are approximate and subject to change because of factory conditions fires supplier delays material shortages civil or military authority mandatory priority and or other causes beyond our knowledge or control Return Of Merchandise No returned merchandise will be accepted without prior authorization from Polar Temp When orders have been correctly filled and merchandise is returned a 10 handling charge plus reconditioning charges if any will be applied No return shipment will be accepted unless authorized in advance and the freight is prepaid During the warranty period in order to obtain proper credit from our vendors all defective parts must be returned within 45 days freight prepaid to our factory for repair replacement or credit Pricing All prices listed are F O B Lithia Springs and or Austell Georgia and are subject to change without notice Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 36 of 37 FACTORY SALES LOCATIONS Tennessee 1 865 984 5945 Texas 1 866 598 4206 North Carolina
26. ower cord into the properly sized electric receptacle outlet Turn the power on off switch to the ON position The condensing unit will start and continue to operate until air temperature inside the storage space reaches 10 to 20 degree F To stop refrigeration of the transport turn the power switch to the OFF position Temperature Control The unit temperature is maintained by a thermostat that cycles the condensing unit on and off automatically On auto defrost AD models the temperature control is located in the control box near the condensing unit housing On cold wall CW models the temperature control is also located in the control box near the condensing unit housing The temperature is adjusted by turning the thermostat control knob clock wise for colder temperature and counter clockwise for warmer temperatures Turning the control knob fully counter clockwise will shut power off to the compressor DO NOT re adjust the internal adjustments of the thermostat without consulting Polar Temp Loading the unit with bagged ice After the IT is operating at required temperature load it with bagged ice Bagged ice should NOT be stacked such that it will obstruct air flow in automatic defrost blower coil Cold wall units should have ice stacked to allow open air access to thermostat sensor at upper rear interior Approximately 3 needs to be clear from top of stacked ice to top of inside interior for effective refrigeration and ice storag
27. rings rubber and hub are all considered Tip 21 The location of the load on a trailer will affect the ride characteristics Too little load on the hitch can cause the trailer to wander or sway Too much hitch load can overload your towing vehicle s suspension Tip 22 If you experience uneven tire wear it is important to note the type and nature of the wear pattern in order to determine the cause Contact your tire dealer to assist in troubleshooting the problem Tip 23 Spread axle mounting will lend support to frame structure but will result in more tire wear from side scrubbing when negotiating sharp turns or corners Tip 24 Axles should be spaced far enough apart the allow a minimum of 1 clearance between the tires More space would be required if tire chains are to be used Tip 25 Widest possible track and axle mounting provides the best design for stability especially when hauling high center of gravity loads Tip 26 Bump clearance is the distance from the top of a leaf spring mounted axle to the bottom of the frame If this distance is too small the axle may come in contact with the frame and result in damage to axle Tip 27 Make sure there is enough clearance around the sides and top of the tires to prevent the tire from rubbing on the frame or other trailer structure Tip 28 Oil lubricated bearings are best suited for trailers that are used continuously Grease will provide better protection for bearings during
28. rs for air brakes BRAKES Why do my brakes and hubs get so hot Braking systems use friction to slow the vehicle and the energy used to slow the trailer is converted to heat Dexter brakes are designed to operate up to extremely high temperatures during hard braking application This heat is noticeable on the hub and drums and is to be normally expected on a properly functioning brake If a brake is malfunctioning and running excessively hot this can be noticed by smoking brakes or the paint burning off of the brake drum TOWING How do I determine hitch weight The hitch weight for conventional bumper type hitches should be 10 14 of the gross weight of the vehicle The remaining 86 90 of the load will be carried on the running gear The hitch weight for 5th wheel and gooseneck type trailers should be 15 20 of the gross weight of the vehicle with the remaining 80 85 of the load being carried on the running gear WHEELS amp TIRES Can I change to aluminum wheels Aluminum wheels are thicker through the mounting bolt area and may not leave enough stud length for proper nut engagement Consult the wheel manufacturer for stud length and mounting face requirements and wheel nut torque WHEELS amp TIRES Can I use wheels with greater offsets Wheel offset is the distance from the mounting surface to the centerline of the tire Dexter Axle bearing sets are designed for wheel with 0 to 1 2 inset Exceeding this offset will shorten b
29. runs for a short cycle Line voltage too high or too low Excessive short cycling Relay being influenced by loose vibrating mounting Polar Temp A Southeast Cooler Corporation Company Solution Replace relay Determine reason and correct Replace relay See Compressor starts and runs but short cycles on on overload protector section Determine reason and correct Determine reason and correct see Compressor starts and runs but short Short cycles Remount relay rigidly Installation Operation amp Maintenance Manual Part Number 0000886 19 of 37 REFRIGERATION and ELECTRICAL DIAGNOSTIC GUIDE continued Problem Warm refrigerated storage space Suction line frosted Liquid line frosted Condensing unit noisy Possible Cause Thermostat setting too high Inadequate air circulation Evaporator fan not running Overcharge of refrigerant Restriction in drier Loose parts or mountings Tubing rattle Bent fan blade causing vibrations Fan motor bearings worn Polar Temp A Southeast Cooler Corporation Company Solution Adjust thermostat Improve air circulation Determine reason and correct Correct charge Replace drier Find and tighten Apply sponge rubber between parts Armaflex Replace blade Replace motor Installation Operation amp Maintenance Manual Part Number 0000886 20 of 37 POLAR EXPRESS ICE TRANSPORTER REFRIGERATION DATA AND SPECIFICAT
30. sitive seal Gaskets should be checked for tears or any other problems that would cause loss of seal Replace torn worn gaskets to maintain correct temperature and refrigeration efficiency Hinges exposed to harsh environmental conditions may require a lubricant for ease of operation Spray light penetrating oil on the spring loaded hinge cartridge to extend the hinge life Polar Temp A Southeast Cooler Corporation Company Installation Operation amp Maintenance Manual Part Number 0000886 9 of 37 Door Hinges and Lock Maintenance free heavy duty hinges are fastened to the body with stainless steel bolts into 1 4 thick aluminum angle extending the full height of the door opening Hinges are mounted to the door with stainless steel bolts into 1 4 plate Doors have padlockable feature inside safety release and they swing open 180 offering clear entry into the body Interior and Auxiliary Lighting Both 12 volt optional and 120 volt interior lighting is supplied on the interior of the trailer The 120V lighting is activated as the door is opened For 12 volt use a separate switch must be activated An optional spotlight is available for exterior lighting Body Mounting Trailer bodies are mounted securely between the 1 4 x 2 x 4 tubular frame of the trailer with 1 2 diameter bolts Robust 1 4 aluminum angle wall bumpers are used at each side of the interior floor where the bolts extend through to the heavy angle iron supp
31. uently Each time a wheel is removed and re mounted the lug nuts should be checked and re tightened after ten 10 miles twenty five 25 miles and fifty 50 miles and periodically thereafter Tip 3 Use the proper wheel fastener and torque range as specified by the wheel manufacturer Excessive torque can permanently damage the wheel while insufficient torque can result in stud failure Tip 4 Remember to inspect and service wheel bearings regularly as stated in your Operation amp Maintenance Service Manual Tip 5 Use the proper bearing adjustment method as stated your Operation amp Maintenance Service Manual to assure reliable long life performance Tip 6 Wheels and tires must be properly matched to each other to ensure safe reliable performance Tip 7 Do not exceed the capacity of your trailer s running gear Overloading can seriously degrade the life of the various components result in unsafe braking and may lead to catastrophic failure Tip 8 When using after market wheels make sure that they fit properly and that the wheel studs are long enough to ensure proper thread engagement Tip 9 Remember to have your tires rotated and balanced according to the tire manufacturer s recommendations Tip 10 Check your brakes before every use to make sure they are functioning properly Tip 11 It is very important to pull your trailer so that it is running level If the hitch is too high or too low the trailer axle s may b
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