Oreck 75422-01 - Manuals

Oreck 75422-01 – Manual in PDF format online.

Manuals:

Manual

Manual Oreck 75422-01

Summary

Page 4 - Periodic Maintenance Tune-Up

4 Periodic Maintenance Tune-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 ...

Page 5 - d. Check the top to see if there is a broken activator post.; Troubleshooting Guide

Warning: The troubleshooting portion of this manual requires that the unit power be “ON” formuch of the servicing portion of troubleshooting. When working on the unit under power, use allof the standard precautions in working with any electro-mechanical device that contains linevoltage, high voltage...

Page 6 - How to Remove the Power Supply Cover

6 Troubleshooting 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...

Page 7 - a. Remove the cell and check to see if the “cleaning air” light comes on.

7 Troubleshooting Guide 6. Check the voltage to and from the switch when activated. You 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 operat...

Page 9 - a. Remove the top and check to see if the stripper is in place.; motor that might prevent the blower from spinning.

9 Troubleshooting 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 whitelead on power supply board labeled line neutral. Activate the interlock switch. The meter should indicat...

Page 10 - a. Clean the dirt and grime from the motor shaft using a soft cloth.; the shaft to lubricate the bearing.; b. Check for loose or worn drive grommet.

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, o...

Page 11 - Look into the four base slots to see the tabs.

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...

Page 12 - If the cell is arcing, check the following:; a. If there are loose or broken ionizer wires.

12 Troubleshooting 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...

Page 13 - c. If voltage is present at HV power supply but not the needle.

13 Troubleshooting 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...

Page 14 - Notes

14 Notes _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _________________________________________________________...

Page 15 - Parts Removal and Replacement; General Parts Replacement

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 Wall Assembly and Blower Wheel Removal and Replacement page 22 Led Assembly Removal and Replacement page 23 Cell Assembly Removal an...

Page 16 - Motor Removal and Replacement

16 General Parts Replacement Motor Removal and Replacement 1. Remove the cabinet top by pressing down the thumb latch and sliding thetop 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 w...

Page 18 - Remove the white motor wire from the

18 General Parts Replacement HIGH VOLTAGE WARNING - 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 p...

Page 19 - Power Supply Removal and Replacement

19 General Parts Replacement Power Supply Removal and Replacement 1. Follow steps 1, 3, and 6 of Motor Removal and Replacement. EXTREME HIGH VOLTAGE WARNING - This equipment is supplied with line voltage from a standard electrical wall socket. That voltage is transformed to a 24V signal that is then...

Page 20 - The new board may now be reinstalled in

General Parts Replacement All leads must be connected to the new board properly. The HV power line must beisolated and properly routed. Two insulator sheets must be in position and all wiring mustbe captured to prevent contact with rotating elements. A wiring diagram is included in theservice manual...

Page 22 - replace the transformer.

22 General Parts Replacement 3. Remove the two #8/32 lockwasher nuts and remove the transformer and replace itwith 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 ...

Page 23 - Reverse the above steps 1 and 2 to

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...

Page 24 - Carefully remove the ionizer needle

24 General Parts Replacement EXTREME HIGH VOLTAGE WIRING WARNING - 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 c...

Page 25 - Parts List

QTY ITEM # PART NO. DESCRIPTION 1 1 242235-001 SWITCH KNOB, BLACK 1 2 242331-007 TRANSFORMER 1 3 242404-001 INTERLOCK SWITCH 1 4 247135-001 FAN BLADE 2 5 AT2PK CHARCOAL COMBINATION FILTER 1 6 247667-001 CONTROL LABEL 1 7 342472-002 CONTACT WALL ASSEMBLY 1 8 342480-003 PLASTIC MESH PREFILTER 1 9 2546...

Page 26 - Wiring Diagram

LINECORD INTERLOCK SWITCH POWER SWITCH BLK (HI) BLOWER WHT BLK 120V WHT 24V LED RED LINE NEW 1 2 L E D F U S E H V P O W E R S U P P L Y RED YEL YEL RED (142475-001) GRN (242477-027) GRN RED BLUE (242477-035) ION./COLL. CELL P O W E R B O O S T S W IT C H BLUE (242477-035) C O N T A C T W A L L GRN ...