SECTION I
GENERAL INFORMATION
symbols on hydraulic schematic). Oil flows thru three
pilot lines (represented by dashed lines on hydraulic
schematic) and extends three pilot pistons, which
forces open three check valves; check valves A, B, and
C. With all three check valves open, oil flows out of
base of three main floor lock cylinders and two outrigger
floor lock cylinders, causing them to retract. There is a
strong spring in each floor lock cylinder which helps
retract cylinder.
Seat Slave Line Valve
On the seat functions, there is a manually operated two
way-valve (slave line valve) which is used to add or
remove oil from closed loop (slave line) to synchronize
stroke of left (master) and right (slave) cylinders.
Column Slave Line Valve
There is a manually operated two-way valve (slave line
valve) on column function, which is used to add or
remove oil from middle stage of column cylinder (if
there is too much oil in second stage, column cylinder
will "jump" downward and make a noise when column
down function is selected. If there is not enough oil in
second stage, full height potential of column cylinder
will not be reached).
Orifices
Orifices are internal to Trendelenburg, Lateral Tilt, and
Seat, cylinders to meter flow of oil into cylinders,
thereby regulating speed of cylinders.
1.4 SPECIFICATIONS
Factual data for the 7300 Modular Surgery Table is
provided in Table 1-1.
Table 1-1. Specifications
Description Data
Weight
Normal (w/ head & pelvic sections & upholstery) ...........
........................................................... 660 lb. (299 kg)
With Shipping Carton.......................... 764 lb. (347 kg)
Shipping Carton ........ 58 in. "L" x 30 in. "W" x 40 in. "H"
(147 cm x 76 cm x 102 cm)
Dimensions: (w/ Head, Back, Pelvic & Leg Transfer
Board.)
Table Top Length ............................. 75.6 in. (192 cm)
Table Top Width ...................................... 20.5 (52 cm)
Overall Width ......................................... 24 in. (61 cm)
Overall Length ..................................... 78 in. (198 cm)
Table Positioning:
Table Top Height (Adjustable) .......... 27.7 (± 0.2) in. to
43.9 (± 0.2) in.
(70 to 112 cm)
Trendelenburg ......................................0° to 28° (±1°)
Reverse Trendelenburg ....................... 0° to -28° (±1°)
Lateral Tilt................ 0° to -18° (±1°) in either direction
Seat Section .......... + 75° (±1°) to -40° (±1°) in relation
to back section
Coordinating Flex (Normal Position):
Trendelenburg ................ +20° (±5°) above horizontal
Seat Section ...... -40° (±5°) in relation to back section
Coordinating Reflex (Normal Position):
Trendelenburg ................. -28° (±5°) below horizontal
Seat Section ..... +60° (±5°) in relation to back section
Head Section:
Mounted on Head End...........+30° (±3°) to -30° (±3°)
Mounted on Foot End ............+30° (±3°) to -75° (±5°)
Page 1-7Printed in U.S.A.© Schaerer Mayfield USA, Inc. 2004
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