eschmann T20-a - Identification of Main Parts

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P6/54 T-SM47j

Fig. 1.0 Identification of main parts

NOTE: The table illustrated has external pedal locking catches. Some

tables have internal locking catches, see section 6.2 and 6.3 for details.

Main Page

Table of Contents3
Preliminary Information5
Identification of Main Parts6
Technical Data8
Weights8
Dimensions8
Movements8
Electrical8
Classification and Symbology9
Use in Conjunction with Other Equipment9
Standards Compliance9
Environmental Conditions9
Major Dimensions and Movements10
Maximum Patient Weights11
Maximum Patient Weights12
Technical Description13
Power Supply Assembly13
Control Electronics13
Overview13
Handset Overview14
Schematic Diagrams15
Safety Warnings16
Service Position16
Lifting16
M10 Trunk Screw Removal16
Trend and Tilt Actuator Removal16
Working with Mains Voltage16
Gas Springs16
Hot Parts on Pcas16
Biological Contamination16
Connection of Leads16
Maintenance17
Power Supply Assembly17
Break Motion Control17
Trunk Section Connector Blocks17
Fuse Location17
Service Schedule and Safety Check18
Part Removal/Adjustment/ Replacement20
General20
Base Covers20
Removal of Base Covers20
Replacing Base Covers21
Access to Column21
Lower Column Access21
Lower-MID Column Access21
Upper-MID Column Access21
Top of Column Access23
Telescopic Covers23
Removal of Telescopic Covers23
Refitting the Telescopic Covers23
Bellows23
Removal of the Bellows23
Replacing the Bellows24
Batteries24
Pedal Dampers24
Front Wheels25
Castors25
Castor Assembly25
Castor Wheels25
Brake Pads25
Castor Pillar Bushes29
Pedal Spindle Bushes29
Lifting Roller Assembly29
Pedal Catch Block29
Pedal Anti-Skid Pads29
Pedal Catch Pawl and Spring29
Trendelenburg Actuator30
Tilt Actuator30
Telescopic Column Assembly30
Tilt & Trendelenburg Motor32
Tilt Bush32
Trendelenburg Bush32
Bearing Pads32
Head and Leg Section33
Guide Pins33
Gas Springs33
Top Cover33
Gas Spring Release Head/Pin33
General Arrangement, Head & Leg Section34
Gas Spring Release Handle35
X-Ray Translucent Top35
Trunk Sections35
Traverse Motor35
Traverse Drive Belt36
Break Motor36
Break Gearbox36
Side Rails39
Top Covers39
Push Button Components39
Traverse Rod Bearing39
Drive Belt Guide Bearing41
Attachment Blocks41
Black Tops41
Electrical Components41
Three Actuator PCA42
Four Actuator PCA42
Infrared Receiver PCA42
Power Supply Assembly43
Traverse Motor43
Break Motor43
Tilt and Trendelenburg Motors43
Telescopic Column Assembly43
Break Potentiometer Loom43
Tilt Potentiometer Loom43
Trendelenburg Potentiometer43
Height Potentiometer Loom43
Handset Button Functions and Serial Labels44
Old and New Infrared Handset Buttons44
Traverse Motor Loom & M'switches45
Connector Blocks & Looms45
Switch & Accessory Panel Looms45
Column Energy Chain and Loom45
Break Gearbox Loom46
Batteries, Table & Handset46
Fuses46
Infrared Handset Code Change46
Handset Service47
Processor PCA47
Standby Panel and Loom47
Battery Management Reconditioning47
Function Tests47
Batteries47
Battery Charger47
Corded Handset47
Infrared Handset47
Footswitch Control47
Base Pedals48
Cycle of Movements48
Accessories48
Torque Conversions49
Application Software Guide50
A1 T20-A Schematic Diagram - Base Section51
T20-A Table Schematics51
A2 T20-A Schematic Diagram - Pedestal Section52
A3 T20-A Schematic Diagram - Trunk Section53
Electrical Safety Checks54

eschmann T20-a - Identification of Main Parts

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