114-001

Power

Podiatry

Chair

Serial Number Prefix: L

This manual applies to units with Serial Numbers 37420 to present & L1000 to L1227

Service and Parts Manual

114-001

TABLE OF CONTENTS

Subject Page
Important Instructions ..... 2
Introduction ..... 3
Parts Replacement ..... 3
Headlock Adjustment ..... 3
Removal & Replacement of Upholstered Sections ..... 4
Removal & Replacement of Table Panels ..... 6
Removal & Replacement of Motor Cover & Shrouds ..... 7
Removal & Replacement of Rubberized Tread ..... 8
Power System Operation & Maintenance ..... 8
Removal & Replacement of Hydraulic Cylinders
Back Cylinder ..... 9
Tilt Cylinder ..... 10
Foot Cylinder ..... 11
Base Cylinder ..... 12
Lift and Stabilizing Chain Adjustment ..... 13
Hydraulic System
Adding Oil ..... 13
Oil Leaks ..... 14
Footswitch
Removal & Replacement of Footswitch ..... 14
Removal & Replacement of Foot Control Switches ..... 15
Removal & Replacement of Footswitch Cord ..... 15
Foot Control Switch Adjustment ..... 15
Removal & Replacement of Power System Parts
Power Cord ..... 16
Motor Capacitors ..... 16
Anticavitation Solenoid Valve ..... 16
Time Delay Relay ..... 17
Ground Line Integrity Monitor (GLIM) ..... 17
Motor/Pump ..... 17
Motor/Pump Ass'y ..... 18
Adjustment of Flow Controls ..... 19
Special Tools ..... 19
Troubleshooting Guide ..... 20
Hydraulic Flow Diagram ..... 25
111 & 114 Wiring Diagram ..... 27
114 Repair Parts List ..... 28

Return To Table Of Contents

IMPORTANT INSTRUCTIONS Safety First

Throughout this manual are “Notes”, “CAUTIONS”, and “DANGER” warnings that call attention to particular procedures. The items are used as follows:

Note: A note is used to amplify an operating procedure, practice or condition.

CAUTION: A CAUTION IS USED FOR AN OPERATING PROCEDURE, PRACTICE, OR CONDITION WHICH, IF NOT CORRECTLY FOLLOWED, COULD RESULT IN EQUIPMENT DAMAGE.

DANGER: A DANGER IS USED FOR AN OPERATING PROCEDURE, PRACTICE, OR CONDITION WHICH, IF NOT CORRECTLY FOLLOWED, COULD RESULT IN PERSONAL INJURY.

For your personal safety all DANGER warnings are repeated here. Become thoroughly familiar with them and observe them at all times.

1. KEEP HANDS, FINGERS AND ALL OTHER PARTS OF THE BODY AWAY FROM AND FREE OF MOVING PARTS. FAILURE TO FOLLOW THIS COULD RESULT IN PERSONAL INJURY.

2. ALWAYS DISCONNECT THE TABLE POWER CORD FROM THE WALL RECEPTACLE BEFORE ATTEMPTING ANY SERVICE OR MAINTENANCE OF THE EQUIPMENT. FAILURE TO DISCONNECT POWER CORD COULD RESULT IN PERSONAL INJURY OR EQUIPMENT DAMAGE.

3. DO NOT ATTEMPT TO REMOVE THE LEVER MECHANISM FROM THE UNDERSIDE OF THE FOOTREST. REMOVING THE LEVER MECHANISM COULD RESULT IN PERSONAL INJURY.

4. FAILURE TO LOCK THE FOOTREST SECTION INTO POSITION COULD RESULT IN PERSONAL INJURY OR EQUIPMENT DAMAGE.

5. DISCONNECT POWER CORD FROM WALL RECEPTACLE. FAILURE TO DISCONNECT POWER CORD COULD RESULT IN PERSONAL INJURY.

6. WHEN REPLACING THE WIRE RACEWAY, BE SURE ALL WIRES ARE CONFINED WITHIN RACEWAY. FAILURE TO CONTAIN WIRES COULD RESULT IN PERSONAL INJURY OR EQUIPMENT DAMAGE.

7. THE RECEPTACLE LEADS MUST BE CONNECTED TO THE CORRECTTERMINALS ON THE TERMINAL BOARD AND THE GREEN GROUNDING WIRE SECURELY ATTACHED TO THE TABLE BASE. FAILURE TO DO SO COULD RESULT IN EQUIPMENT DAMAGE OR AN ELECTRICAL SHOCK.

8. WHEN REPLACING THE MOTOR COVER, BE SURE ALL WIRES AND HOSES ARE INSIDE OF COVER AND POWER CORD FITS IN SLOT IN COVER. FAILURE TO DO THIS COULD RESULT IN ELECTRICAL SHOCK OR EQUIPMENT DAMAGE.

9. DISCONNECT POWER CORD FROM WALL RECEPTACLE BEFORE REMOVING OR REPLACING MOTOR COVER AND SHROUDS. FAILURE TO DISCONNECT POWER CORD COULD RESULT IN PERSONAL INJURY.

10. FAILURE TO PERFORM A PERIODIC IN-

SPECTION COULD RESULT IN PERSONAL

INJURY OR EQUIPMENT DAMAGE.

11. WHEN CHANGING A CYLINDER, NOTE HOW THE WIRES, HOSES, HOSE FITTINGS, AND NYLON TIES ARE POSITIONED SO THAT THEY MAY BE REPLACED EXACTLY THE SAME WAY OR DAMAGE TO THE WIRES AND HOSES MAY OCCUR RESULTING IN ELECTRICAL SHOCK OR EQUIPMENT DAMAGE.

12. BACK SECTION MUST BE SUPPORTED UNTIL NEW CYLINDER IS INSTALLED. FAILURE TO SUPPORT BACK SECTION COULD RESULT IN PERSONAL INJURY OR EQUIPMENT DAMAGE.

13. BE SURE POWER CORD IS DISCONNECTED FROM WALL RECEPTACLE. FAILURE TO DISCONNECT POWER CORD COULD RESULT IN ELECTRICAL SHOCK.

14. TABLE TOP MUST BE SUPPORTED UNTIL NEW CYLINDER IS INSTALLED. FAILURE TO SUPPORT TABLE TOP COULD RESULT IN PERSONAL INJURY OR EQUIPMENT DAMAGE.

15. THREE PERSONS ARE REQUIRED TO CHANGE A BASE CYLINDER. TWO PERSONS MUST SUPPORT THE TABLE TOP AS THE THIRD PERSON REMOVES THE CYLINDER. FAILURE TO USE THREE PERSONS COULD RESULT IN PERSONAL INJURY OR EQUIPMENT DAMAGE.

16. WHEN REMOVING THE CLEVIS PINS FROM THE BASE CYLINDERS, THE TWO ASSISTANTS MUST SUPPORT THE TABLE TOP. KEEP HANDS AWAY FROM THE TOP OF THE SLIDES, POINT A, FIG. 21 AND FROM BENEATH THE BASE SLIDING MEMBER. AFTER REMOVING THE CYLINDER, STAND CLEAR OF THE TABLE AS THE TWO ASSISTANTS LOWER THE TABLE TOP. FAILURE TO DO THIS COULD RESULT IN SERIOUS PERSONAL INJURY.

17. HYDRAULIC OIL IN THIS EQUIPMENT IS UNDER HIGH PRESSURE WHEN EQUIPMENT IS IN OPERATION. NEVER CHECK OR ATTEMPT TO REPAIR ANY OIL LINE WITHOUT FIRST SHUTTING OFF THIS EQUIPMENT AND UNPLUGGING THE POWER CORD.

18. DONOTADJUSTTHESTOPMORETHANAN ADDITIONAL 1/2 TURN AFTER AUDIBLE CLICK IS HEARD. ADJUSTING THE STOP

MORE THAN 1/2 TURN MAY RESULT IN DAMAGE TO THE SWITCH OR PERSONAL INJURY.

19. BEFORE ATTEMPTING TO REMOVE AND REPLACE A POWER SYSTEM PART, DISCONNECT POWER CORD FROM