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Summary of Contents for Patterson SAMMONS PRESTON R-FLEX
- Page 1 KNEE SERVICE MANUAL Sammons Preston W68 N158 Evergreen Blvd. Cedarburg, WI 53012 A Patterson Company Phone toll-free: 800-228-3693 Fax: 262-387-8749 customersupport@patterson-medical.com...
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Page 2: Table Of Contents
TABLE OF CONTENTS Sammons Preston CPM Unit Precautionary Measure............................1 Maintenance Instruction...........................2-4 Automatic Calibration............................2 2000 Hour Maintenance Requirement........................3-4 Troubleshooting..............................5-6 Common Problems..............................5 E01 Error Code...............................6 E02 Error Code...............................6 E03 Error Code...............................6 E04 Error Code...............................6 E05 Error Code...............................6 Corrective Maintenance...........................7-9 Circuit Board Replacement............................7 Motor and Gearbox Assembly Replacement......................8 Power Supply Unit Replacement...........................9 R-Flex CPM Exploded View..........................10... -
Page 3: Precautionary Measure
PRECAUTIONARY MEASURE Sammons Preston CPM Unit WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK: Always unplug the R-Flex CPM before performing any maintenance procedures involving detaching CPM components. A product should never be left unattended when plugged in. Close supervision is necessary when this product is used by, on, or near children or invalids. CAUTION: TO REDUCE THE INFLUENCE FROM THE MAGNETIC FIELD: Always use non-magnetic screwdrivers to remove any fastening screws used on R-Flex CPM unit. -
Page 4: Maintenance Instruction
MAINTENANCE INSTRUCTION Sammons Preston CPM Unit Calibration Requirements: 1. R-Flex CPM unit must be calibrated when the angle value displayed on the hand controller differs from the actual value. 2. R-Flex CPM unit must be calibrated whenever maintenance is conducted on major components such as: potentiometer, power supply unit, circuit board, hand-controller, etc. -
Page 5: 2000 Hour Maintenance Requirement
MAINTENANCE INSTRUCTION Sammons Preston CPM Unit 2000 Hour Maintenance Requirements Once the R-Flex CPM unit has accumulated 2000 hours of operation, the yellow indicator light on the hand controller will blink to notify that preventive maintenance is due on the CPM unit. Maintenance on R-Flex CPM unit must be completed as follows: 1. - Page 6 MAINTENANCE INSTRUCTION Sammons Preston CPM Unit 5. With the bearing cover still removed, inspect the rubber track seal on each side of the threaded screw guide. Replace if necessary. 6. Inspect the threaded screw and apply new grease for lubrication. 7.
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Page 7: Common Problems
MAINTENANCE INSTRUCTION Sammons Preston CPM Unit Once maintenance is completed, shortcut the reset pin provided to shortcut the R-Flex CPM PCB to reset the cumulative operation hours to zero. Troubleshooting: 1. The Hand-Controller does not work after turning on the power. Possible Solutions - Plug in the CPM unit if it’s unplugged. -
Page 8: Troubleshooting
TROUBLESHOOTING Sammons Preston CPM Unit Error message displayed on Hand-Controller Error Code Problem Solution There is too much force on the - Adjust the force setting to a higher setting machine in one direction. The - Make sure nothing is interfering with the CPM unit machine will automatically begin - Change the extension/flexion setting traveling in the opposite direction... -
Page 9: Corrective Maintenance
CORRECTIVE MAINTENANCE Sammons Preston CPM Unit Circuit Board Replacement Procedure 1. Turn off the power and unplug the CPM unit. 2. Using a Phillips head screwdriver, remove the cover from the control box. 3. Unplug all of the components from the circuit board, i.e. motor, power supply, potentiometer and hand controller connectors. -
Page 10: Motor And Gearbox Assembly Replacement
CORRECTIVE MAINTENANCE Sammons Preston CPM Unit Motor and Gearbox Assembly Replacement Procedure 1. Turn off the power and unplug the CPM unit. 2. Remove the control box cover with a Phillips head screwdriver. 3. Using a 2.5mm allen wrench, loosen and remove the two motor bracket allen screws. ( Note: Do NOT remove the two hex bolts. -
Page 11: Power Supply Unit Replacement
CORRECTIVE MAINTENANCE Sammons Preston CPM Unit Power Supply Replacement Procedure 1. Turn off the power and unplug the CPM unit. 2. Remove the control box cover with a Phillips head screwdriver. 3. Disconnect the circuit board connector and plug connector from the power supply. Disconnect from here 4. -
Page 12: R-Flex Cpm Exploded View
R-FLEX CPM EXPLODED VIEW Sammons Preston CPM Unit... -
Page 13: R-Flex Cpm Parts List
COMPONENTS LIST Sammons Preston CPM Unit Item # Component Name Quantity Item # Component Name Quantity Front Plastic Cover Hand Controller PCB Motor Setting Plate Cross Recessed Pan Head Tapping Screw ST22x6C Hex Sunk Screw M3x5 Cross Recessed Pan Head Motor Lining Tapping Screw ST29x13C Motor Cushion...
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