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O-RINGS
O-RINGS
RAM
PINION
GEAR
Figure 1-11. Kidney Lift Cylinder Assembly
4. Lateral Tilt Assembly - The lateral tilt assem-
bly consists of two cylinders, pistons and connect-
ing rods. The connecting rods attach to the lateral
tilt lever which connects to the table center column
assembly. The cylinder housing attaches to the
table top and is attached to the center column
assembly by pivots. See figure 1-12.
The pistons and connecting rods are attached to a
non-movable surface. Therefore, when hydraulic
fluid is pumped into one side, the cylinder housing
itself moves around the lateral tilt lever causing the
table top to tilt to one side.
To tilt the table top in the opposite direction, fluid is
pumped into the opposite cylinder.
Figure 1-13. Elevation Cylinder Assembly
6. Brake Cylinders - The brake cylinders are
single action type similar to the elevation cylinder.
The movable piston's ram is connected to a brake
pad. See figure 1-14. Oil pumped into the top of the
cylinder pushes the piston down raising the table
base off its casters. An internal return spring on the
bottom of the piston, pushes the piston up to return
the oil through the mini-valve to the reservoir.
Figure 1-12. Lateral Tilt Cylinder Assembly
5. Elevation Cylinder - This single action cylin-
der does not have hydraulic fluid on both sides of
the piston. It depends on the weight of the table top
assembly to lower it.
Figure 1-14. Brake Cylinder
The cylinder is set in the center of the elevation
main column. The two stage cylinder is elevated by
the driven force of the oil pressure. When lowering,
the oil that is accumulated in the cylinder is returned
to the oil reservoir through the mini-valve due to the
table top weight.
A slider support assembly is used to support the
weight of the upper table section. A stainless steel
shroud covers the flexible hydraulic hoses and
slider. See figure 1-13.
ELEVATION
CYLINDER
SHROUD
ELEVATION
COLUMN
SECONDARY
PISTON
PRIMARY
PISTON
CONNECTING RODS
O-RINGS
PISTON
LATERAL
TILT LEVER
PISTON
O-RINGS
OIL LINE
BRAKE
PAD
RAM
RETURN
SPRING
PISTON
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