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TABLE OF CONTENTS
Title Page
Although current at the time of publication, SKYTRON'S policy of continuous development makes this
manual subject to change without notice.
BASIC RECOMMENDED TOOLS & MAINTENANCE PROCEDURES ................................................... 3
EQUIPMENT LABELS .............................................................................................................................. 4
6700 Series Hercules General Purpose Surgical Table Specifications .................................................... 5
SECTION I HYDRAULIC SYSTEM ......................................................................................................... 6
1-1. General ......................................................................................................................................... 6
1-2. Component Operation ................................................................................................................... 7
a. Motor/Pump Operation ............................................................................................................. 7
b. Pressure Relief Valve ................................................................................................................ 7
c. Mini-Valves ................................................................................................................................ 8
d. Hydraulic Cylinders (Slave Cylinders) ..................................................................................... 10
e. Elevation Cylinder Return Circuit ............................................................................................ 12
f. Brake System .......................................................................................................................... 12
g. Emergency Brake Release ..................................................................................................... 13
h. Flex/Reflex System .................................................................................................................. 13
1-3. Hydraulic Adjustments ................................................................................................................ 14
a. Fluid Level ............................................................................................................................... 14
b. Bleeding The Hydraulic System .............................................................................................. 14
c. Pressure Relief Valve .............................................................................................................. 14
d. Speed Controls ....................................................................................................................... 15
SECTION II MECHANICAL TABLE ADJUSTMENTS ............................................................................ 16
2-1. Back Section Gear Mesh Adjustment.......................................................................................... 16
2-2. Hydraulic Cylinder Adjustment .................................................................................................... 16
a. Back Section ........................................................................................................................... 16
b. Leg Section ............................................................................................................................. 16
2-3. Head Section Adjustment ............................................................................................................ 17
2-4. Trendelenburg Cap Bolt Torque Procedure .................................................................................. 17
2-5. Side Rails ..................................................................................................................................... 18
2-6. Casters ......................................................................................................................................... 18
SECTION III HYDRAULIC TROUBLESHOOTING ................................................................................ 19
3-1. Precautions ................................................................................................................................. 19
3-2. Troubleshooting Notes ................................................................................................................. 19
3-3. ELEVATION DIAGNOSIS CHART ............................................................................................... 20
3-4. TRENDELENBURG DIAGNOSIS CHART .................................................................................. 21
3-5. LATERAL - TILT DIAGNOSIS CHART ........................................................................................ 22
3-6. FLEX SYSTEM DIAGNOSIS CHART .......................................................................................... 23
3-7. BACK SECTION DIAGNOSIS CHART ........................................................................................ 24
3-8. LEG SECTION DIAGNOSIS CHART ........................................................................................... 25
3-9. KIDNEY LIFT DIAGNOSIS CHART ............................................................................................ 26