7-1
764333-766
7.1 GENERAL
This section provides procedures for removing/
replacing components, assemblies and detail parts
from the STERIS 4085 General Surgical Table.
Reassembly is essentially the reverse of disassembly.
Refer to supplied Illustrated Parts Breakdown (P764333-
767), as indicated, to perform the appropriate
inspection and maintenance procedures. Always
perform applicable testing/adjusting/calibrating
after replacing a component or assembly.
Before disassembling or servicing a component -
especially when working on a component with which
you are not familiar - review the written procedures
given in these sections. Reading and reviewing
procedures minimizes potential problems and
confusion while servicing a component.
7.2 CONTAMINATION CONTROL
ASPECTS OF HYDRAULIC FIELD
SERVICE
7.2.1 General
To prevent contamination from entering the hydraulic
system, all possible care must be taken during field
hydraulic servicing. The system is designed to
maintain oil and component cleanliness during normal
operation. When any hydraulic line or component is
opened, the system is vulnerable to the entrance of
contaminants (i.e., solid particles). Average particle
sizes in the oil are normally about 25 microns, or
0.001 inches. Some components may fail in a
hazardous way if subjected to particles greater than
100 microns, or 0.004 inches.
IMPORTANT: A listing of the S
AFETY PRECAUTIONS to be observed when operating and servicing
this equipment can be found in S
ECTION 1, SAFETY PRECAUTIONS, of this manual. Do not operate or
service the equipment until you have been trained on this information.
WARNING – EXPLOSION HAZARD: Table must not be used in the presence of flammable anesthetics.
WARNING – PERSONAL INJURY AND/OR EQUIPMENT DAMAGE HAZARD:
• Repairs and adjustments to this equipment must be made only by STERIS or STERIS-trained service
personnel. Maintenance performed by unqualified personnel or installation of unauthorized parts
could cause personal injury, result in improper equipment performance, invalidate the warranty, or
result in costly damage. Contact STERIS regarding service options.
• Regularly scheduled preventive maintenance is required for safe and reliable operation of this
equipment. Contact STERIS to schedule preventive maintenance.
• Ensure tabletop is properly supported before performing maintenance requiring tabletop to be
maintained in raised position.
WARNING – PINCHING HAZARD:
• Pinch points are created during tabletop articulation. Carefully review illustrations in Figures 2-1 and
2-2 of Operator Manual before operating the table.
• To avoid serious injury, keep limbs, fingers and other body areas clear of all pinch points when
positioning the table.
WARNING – PERSONAL INJURY HAZARD: If the integrity of the external protective ground
installation or arrangement is in doubt, operate the table from its internal power source.
CAUTION – POSSIBLE EQUIPMENT DAMAGE:
• Failure to keep all personnel and equipment clear of the table before actuating any inertia-driven or
power-driven movement could result in table damage.
• Route the hand control cord clear of any pinch points where cord could be damaged.
• Use of incorrect hydraulic oil may severely damage the table and/or cause table malfunction. Contact
STERIS for proper hydraulic oil.
Section 7: Component Repair and Replacement
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