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12

MAINTENANCE  

 

Note:  Disconnect the power cord from the power source before performing any 
service or maintenance on this unit. 
 
7.1 Cleaning: 

Cleaning and decontamination are recommended on a regular basis.  To 

prepare the unit for cleaning, remove all interior parts if assembled, such as shelves 
and shelf clips. 

 

First clean the chamber with soap and water, rinse and let dry.  To decontaminate 
use a solution that is appropriate to your application.  DO NOT USE chlorine-based 
bleaches or abrasives as this can damage the stainless steel components.  DO 
NOT USE spray cleaners that might leak through openings and cracks and get on 
electrical parts or that may contain solvents that will harm the coatings. 
 
WARNING:  Never clean the unit with alcohol or flammable cleaners with the unit 
connected to the electrical supply.  Always disconnect the unit from the electrical 
service when cleaning and assure all volatile or flammable cleaners are evaporated 
and dry before reattaching the unit to the power supply.use care when cleaning the 
door gasket to prevent damage which could impair the positive door seal.  

 
7.2 Storage: 

 To prepare the unit for storage, remove all shelves and shelf clips, dry the 

chamber completely and disconnect the power supply.  Be certain that the door is 
positively locked in the closed position. See Section 3.3, Lifting/Handling, for proper 
transport procedures. 

 
7.3 

No maintenance is required on the electrical components.  If the unit fails to operate 
as specified, please see the Troubleshooting guide Section 8.0, before calling for 
service. 

Section

7

Summary of Contents for 1330FM

Page 1: ...M 1350GM 1370GM 1330FMS 1350FMS 1370FMS 1330GMS 1350GMS 1370GMS INSTALLATION AND OPERATION MANUAL Sheldon Manufacturing Inc P O Box 627 Cornelius Oregon 97113 EMAIL tech Shellab com INTERNET http www...

Page 2: ...UBLESHOOTING SECTION 9 0 PARTS LIST UNIT SPECIFICATIONS SCHEMATICS REV 01 10 4861369 This unit is a special purpose oven for professional industrial or educational use where the preparation or testing...

Page 3: ...h interior and exterior If any the carrier will arrange for official inspection to substantiate your claim 1 3 Accessories Verify that your accessory package is complete All units are equipped with a...

Page 4: ...consult your manual for further description or discussion of a control or user item 2 2 Indicates AC Power 2 3 Indicates Manual Control 2 4 Indicates Timer 2 5 C Indicates Degrees Celsius 2 6 Indicat...

Page 5: ...from tipping during lifting or transport All moving parts such as shelves and trays should be removed and doors need to be positively locked in the closed position during transfer to prevent shifting...

Page 6: ...tside and dealt with according to local regulations Your dealer can provide you with a power exhaust which greatly helps under these applications 4 3 Do not operate near noxious fumes 4 4 Do not place...

Page 7: ...time using only the Overtemperature Safety as the temperature controller On S suffix models the Overtemperature Safety will shut the oven off by tripping the over temperature relay Pushing the red res...

Page 8: ...ing set point temperatures and calibration 5 8 HEATING Light This green pilot light is marked TEMPERATURE ACTIVATED and indicates when the element has been activated and the oven is heating When the s...

Page 9: ...been stabile at set point for several hours Be certain the thermometer does not touch any shelving Allow again for the temperature to stabilize until five 5 consecutive readings at one minute interva...

Page 10: ...Minute Function After the correct value for hours is set push the RESET pad again The blinking decimal will now move one digit to the right between digits 3 and 4 Pushing the UP or DOWN arrow pads wil...

Page 11: ...ized Turn on the timer switch Push and hold the RESET button until the timer display blinks This is to be sure that the pre set timed value is correct Press the START STOP button to activate the timer...

Page 12: ...harm the coatings WARNING Never clean the unit with alcohol or flammable cleaners with the unit connected to the electrical supply Always disconnect the unit from the electrical service when cleaning...

Page 13: ...stabilize 5 Element failure compare current draw to data plate 6 Controller failure call Customer Service 7 High limit failure confirm with front panel lights that Safety Thermostat is operating corr...

Page 14: ...mounts for control and OTP sensors then trace wires or tubing between sensors and controls 7 Calibration sensitivity call Customer Service 8 High limit set too low be sure that Safety Thermostat is s...

Page 15: ...s or is frozen relieve binding and retest Motor makes noise F suffix models 1 Make sure that the fan or blower wheel is not contacting its housing Adjust the motor mounting bracket position to re cent...

Page 16: ...r in wall 3 See if unit is on e g fan or heater and just controller is off 4 Check all wiring connections especially around the on off switch Unit is smoking Out of box This is not an uncommon occurre...

Page 17: ...70538 Heating Element 1350G Models 9570539 9570540 Heating Element 1370F Models 9570537 9570538 Heating Element 1370G Models 9570551 9570552 I O On Off Power Switch 103351 103351 Main Control W Timer...

Page 18: ...x 14 75 1330GM 21 25 x 23 75 x 33 13 x 14 x 14 75 1330GMS 21 5 x 24 5 x 33 13 x 14 x 14 75 Capacity Cubic Feet 1330FM 1 6 1330FMS 1 6 1330GM 1 6 1330GMS 1 6 Temperature Range Uniformity Recovery 1330F...

Page 19: ...5 1350GM 27 x 25 5 x 34 75 18 25 x 19 x 16 5 1350GMS 27 5 x 27 x 34 75 18 x 19 x 16 5 Capacity Cubic Feet 1350FM 4 1350FMS 4 1350GM 4 1350GMS 4 Temperature Range Uniformity Recovery 1350FM 40 above am...

Page 20: ...S 1370GM 32 5 x 28 x 36 25 23 x 20 x 18 5 1370GMS Capacity Cubic Feet 1370FM 5 1370FMS 5 1370GM 5 1370GMS 5 Temperature Range Uniformity Recovery 1370FM 40 above amb to 240 C 1 5 C at 150 C 6 min at 1...

Page 21: ...K 4880549 RY1 RY1 BLK BLK X1000124 BLK BLK RED TAN TAN RED BLK 9851070 2800502 2350509 34 3 9570538 101676 101168 1750613 101613 200020 101746 1750615 103351 LIGHTED MAIN POWER SWITCH 8 0 0 0 5 2 4 8...

Page 22: ...22 WIRING DIAGRAM FM GM 110V Models...

Page 23: ...UTRAL GROUND LOAD PROBE 1 2 4 1 2 4 9851067 12 4 08 L HEATING ACTIVATED LIGHT 200021 TIMER SWITCH X1000124 BLOWER MOTOR 100 RTD QUENCH ARC x3 101676 NEMA 6 15P EU1 16P IEC 320 INLET L2 L1 L2 L1 L2 L1...

Page 24: ...onents not manufactured by Manufacturer is not covered by this warranty This warranty is void in the event that repairs are made by anyone other than Manufacturer without prior authorization from Manu...

Page 25: ...es LA Mid Atlantic Area Baltimore MD Branford CT Bridgeport NJ S Plainfield NJ VWR Canlab Offices Mississauga Ontario Ville Mont Royal Qu bec Edmonton Alberta Or Call Direct for Specialized Service Lo...

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