Oreck 75422-01 manual

SIMPL Y AMAZING ® Ser vice Manual T able T op Air Cleaner Super Air 5 / Air 6 Model 447628 & 4478801 REV I., Please disregard all earlier versions.[...]

2 Important Safeguards When using electrical appliances consideration should be given to basic safety precautions including: 1. Read all instructions. 2. Do not immerse appliance, cord or plug in water or other liquid and take care to ensure that the control panel is kept clean and dry . 3. Do not use the appliance if there is any visible damage to[...]

3 Airborne particles and odors are removed from air passing through the unit by the process of electrostatic precipitation and the revolutionary post filter which combines antimicrobial treatment and activated charcoal. The air around you is filled with thousands of particles of air pollution. Some of the pollutants - dust, pollen and lint are visi[...]

4 Periodic Maintenance T une-Up 1. Remove collecting cell and pre/post filters. 2. Wipe down inside of unit with damp cloth. 3. Thoroughly Clean Collecting Cell with Oreck Assail-A-Cell Cleaner . 4. Check for any broken wires in the collecting cell, and ensure wires are securely seated in the plastic spacer at the center of the cell. Check for any [...]

Warning: The troubleshooting portion of this manual requires that the unit power be “ON” for much of the servicing portion of troubleshooting. When working on the unit under power , use all of the standard precautions in working with any electro-mechanical device that contains line voltage, high voltage, and rotating elements. Failure to follow[...]

6 T r oubleshooting Guide How to Remove the Power Supply Cover 1. Insert flathead screwdriver into slot on the interior edge of the power supply cover , and push plastic clip away from contact wall so that the cover can be lifted up. 2. The switch wires will limit the movement of the power supply cover . 3. Is the switch actuator broken? 4. Is the [...]

7 T r oubleshooting Guide 6. Check the voltage to and from the switch when activated. Y ou should be able to measure line voltage entering and leaving the switch when activated. 7. Check the switch plate cover . The plate must sit squarely on the bearing wall and the cabinet base. 2. If the motor operates but the green “cleaning air” light does[...]

8 T r oubleshooting Guide c. If the light does not operate with the cell removed, check the wires to the light and confirm that they are properly connected. Check the voltage from the light terminals on the power supply board. Set meter to appropriate scale. Y ou should have about 16 volts DC. d. Option 1: Check the output of the power supply by us[...]

9 T r oubleshooting Guide e. Check the input voltage to the transformer using a standard lead and a multimeter . Check the voltage from the black lead on the terminal L speed control switch and white lead on power supply board labeled line neutral. Activate the interlock switch. The meter should indicate line voltage. Check the voltage on the two y[...]

d. If there are no signs of distortion, remove the blower wheel (see: Blower Wheel Removal ) and activate the unit. Notice if the motor shaft rotates without the blower wheel. If the motor shaft operates, the problem is related to the blower wheel. 4. If the motor shaft does not turn on all speeds, or seems sluggish, it may be due to a build-up of [...]

c. Check to see if the blower wheel is adequately supported by the outside bearing plate assembly . d. Check to see if the motor mounting bracket snap tabs are in place or are loose. Look into the four base slots to see the tabs. e. Check to see if the motor is loose in the support bracket by holding the bracket and trying to move the motor . If th[...]

12 T r oubleshooting Guide 6 If the cell is arcing, check the following: a. If there are loose or broken ionizer wires. b. If the cell is dirty . Remove the cell and wash with warm soapy water . Dry completely before re-installing. c. If there are bent cell plates. d. If the cell is improperly installed in the unit. e. If the cell contacts are brok[...]

13 T r oubleshooting Guide f. If the H.V . contacts are not properly aligned or the contact wall is not properly aligned. 7. Checking for ionizing needle operation. Using HV voltage probe check needle for high voltage -5.5 KVDC to -7.0 KVDC. a. If voltage is present, the ionizer is OK. b. If voltage is not present, check HV power supply . c. If vol[...]

14 Notes _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________[...]

15 Parts Removal and Replacement Motor Removal and Replacement page 16 Power Supply Removal and Replacement page 19 Transformer Removal and Replacement page 21 Bearing W all Assembly and Blower Wheel Removal and Replacement page 22 Led Assembly Removal and Replacement page 23 Cell Assembly Removal and Replacement page 23 Ionizer Needle Removal and [...]

16 General Parts Replacement Motor Removal and Replacement 1. Remove the cabinet top by pressing down the thumb latch and sliding the top forward. 2. Remove the cell assembly (see inside of top for instructions). 3. Remove the stripper by pulling it to the right and applying pressure to the bearing wall. Lift the left hand side of the stripper out [...]

17 General Parts Replacement ROT A TING ELEMENT W ARNING - Unit has a rotating blower wheel and cooling fan to circulate air and keep the unit cool. When servicing the unit and repairing the unit always insure that you keep objects and internal electrical wiring away from the rotating elements. Failure to allow for proper clearance for rotating mem[...]

18 General Parts Replacement HIGH VOL T AGE W ARNING - This equipment is supplied with line voltage from a standard wall socket. Use standard precautions in working on it with line voltage applied. Failure to practice normal electrical safety precautions can cause electrical shock, personal injury or property damage. 9. Unplug the red terminal (3),[...]

19 General Parts Replacement Power Supply Removal and Replacement 1. Follow steps 1, 3, and 6 of Motor Removal and Replacement. EXTREME HIGH VOL T AGE W ARNING - This equipment is supplied with line voltage from a standard electrical wall socket. That voltage is transformed to a 24V signal that is then amplified to over 6000VDC. In working with the[...]

General Parts Replacement All leads must be connected to the new board properly . The HV power line must be isolated and properly routed. T wo insulator sheets must be in position and all wiring must be captured to prevent contact with rotating elements. A wiring diagram is included in the service manual for your use. 3. The new board may now be re[...]

5. T o test the power supply , touch the metal shaft of a screwdriver , with an insulated or plastic handle, to one of the contacts while keeping the screwdriver tip about 1/8" away from the other contact. Y ou should see an arc and hear a snapping sound. 6. Reverse step 1. Transformer Removal and Replacement 1. Follow steps 1, 2, 3, and 6 of [...]

22 General Parts Replacement 3. Remove the two #8/32 lockwasher nuts and remove the transformer and replace it with the new unit. 4. Reverse the above steps 1,2, and 3 to replace the transformer . Bearing Wall Assembly and Blower Wheel Removal and Replacement 1. Follow steps 1, 2, 3, 4 and 5 of Motor Removal and Replacement . 2. The rubber grommet [...]

23 General Parts Replacement Led Assembly Removal and Replacement 1. Follow steps 1, 2, and 6 of Motor Removal and Replacement . 2. Disconnect the two red led leads from the power supply board and remove the led assembly by removing the led retaining ring from the back of the front panel and removing the led and the leads. 3. Replace with a new led[...]

24 General Parts Replacement EXTREME HIGH VOL T AGE WIRING W ARNING - The unit has been designed such that extremely high cell collector voltage wiring is isolated from all other wiring. Special wiring routing holders have been designed into the unit. This extremely high voltage wiring must be routed correctly . Failure to route and isolate the wir[...]

QTY ITEM # P ART NO. DESCRIPTION 1 1 242235-001 SWITCH KNOB, BLACK 1 2 242331-007 TRANSFORMER 1 3 242404-001 INTERLOCK SWITCH 1 4 247135-001 F AN BLADE 2 5 A T2PK CHARCOAL COMBINA TION FIL TER 1 6 247667-001 CONTROL LABEL 1 7 342472-002 CONT ACT WALL ASSEMBL Y 1 8 342480-003 PLASTIC MESH PREFIL TER 1 9 254682-001 BLOWER WHEEL KIT 1 10 254681-001 MO[...]

L INE CORD INTERLOCK S WITCH P OWER SWITCH BLK (HI) B LOWER W HT B LK 1 20V WHT 2 4V LED R ED L INE NEW 1 2 LED FUSE HV POWER SUPPL Y R ED Y EL YEL R ED (142475-001) GRN (242477-027) G RN RED BLUE (242477-035) ION./COLL. CELL POWER BOOST SWITCH B LUE (242477-035) CONT ACT WALL GRN GRN BLACK (RIBBED) B RN (MED) RED (LO) B LACK (RIBBED) 1 20V , 60HZ [...]

27 Notes _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________[...]

©2004 Oreck Holdings, LLC. All rights reserved. All trademarks are owned and used under the authority of Oreck Holdings, LLC. 75422-01 REV I 08/04 R-7693, R-7695[...]