CareAssist Bed P1170 Service Manual Rev 2 Jan 2005

CareAssist™ Bed Service Manual Revisions Revision Letter Original Issue REV 2

Pages Affected All

Date December 2003 January 2005

MAN330 REV 2

CareAssist™ Bed Service Manual (MAN330 REV 2)

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Revisions

© 2005 by Hill-Rom Services, Inc. ALL RIGHTS RESERVED. No part of this text shall be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information or retrieval system without written permission from Hill-Rom Services, Inc. (Hill-Rom). The information in this manual is confidential and may not be disclosed to third parties without the prior written consent of Hill-Rom. Second Edition First Printing 2003 Printed in the USA CareAssist™ is a trademark of Hill-Rom Services, Inc. Comfortline® is a registered trademark of Hill-Rom Services, Inc. CSA® is a registered trademark of Canadian Standards Association, Inc. Dining Chair™ is a trademark of Hill-Rom Services, Inc. FullChair® is a registered trademark of Hill-Rom Services, Inc. Hill-Rom® is a registered trademark of Hill-Rom Services, Inc. Line-of-Site® is a registered trademark of Hill-Rom Services, Inc. Loctite® is a registered trademark of Loctite Corporation. PLEUR-EVAC® is a registered trademark of Deknatel, Inc. SideCom® is a registered trademark of Hill-Rom Services, Inc. Slo-Blo® is a registered trademark of Littlefuse, Inc. Torx® is a registered trademark of Textron, Inc. ViceGrip® is a registered trademark of American Tool Companies, Inc. The information contained in this manual is subject to change without notice. Hill-Rom makes no commitment to update or keep current, the information contained in this manual.

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CareAssist™ Bed Service Manual (MAN330 REV 2)

Revisions

The only product warranty intended by Hill-Rom is the express, written warranty accompanying the bill of sale to the original purchaser. Hill-Rom makes no other warranty, express or implied, and in particular, makes no warranty of merchantability or fitness for a particular purpose. Additional copies of this manual can be obtained from Hill-Rom. To order additional copies of this manual, call (800) 445-3720, and place a parts order for part number MAN330.

CareAssist™ Bed Service Manual (MAN330 REV 2)

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Table of Contents Chapter 1: Introduction Purpose... 1 - 1 Audience... 1 - 1 Organization... 1 - 1 Chapter 1: Introduction... 1 - 1 Chapter 2: Troubleshooting Procedures... 1 - 1 Chapter 3: Theory of Operation... 1 - 1 Chapter 4: Removal, Replacement, and Adjustment Procedures... 1 - 2 Chapter 5: Parts List... 1 - 2 Chapter 6: General Procedures... 1 - 2 Chapter 7: Accessories... 1 - 2 Document Symbol Definition... 1 - 3 Overview... 1 - 4 Physical Description... 1 - 5 Model Identification... 1 - 10 Safety Tips... 1 - 11 Warning and Caution Labels... 1 - 13 Chapter 2: Troubleshooting Procedures Getting Started... 2 - 1 Initial Actions... 2 - 2 Problem/Solution Table... 2 - 2 Function Checks... 2 - 4 Scale and Bed Exit Function Check... 2 - 9 Final Actions... 2 - 11 No Functions Work... 2 - 12 Lockout Malfunction... 2 - 15 Hilow Malfunction... 2 - 16

CareAssist™ Bed Service Manual (MAN330 REV 2)

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Knee Section Malfunction... 2 - 17 Head Section Malfunction (excluding Automatic Contour)... 2 - 18 Battery Backup Malfunction... 2 - 19 Foot Section Malfunction... 2 - 20 Trendelenburg/Reverse Trendelenburg Malfunction... 2 - 22 Bed Connected to AC Power, Brakes Not Applied Detection Malfunction... 2 - 23 CPR Malfunction... 2 - 26 Braking Malfunction... 2 - 27 Steering Malfunction... 2 - 28 Scale Error 0... 2 - 29 Scale Error 1... 2 - 30 Scale Error 2... 2 - 31 Scale Error 3... 2 - 32 Scale Error 5... 2 - 33 Chapter 3: Theory of Operation Introduction... 3 - 1 Mechanical System... 3 - 2 Retractable Head Section... 3 - 2 Emergency CPR Release... 3 - 2 Extendable Foot Section... 3 - 2 Hilow System... 3 - 2 Casters... 3 - 3 Braking... 3 - 3 Steering... 3 - 3 Head and Footboards... 3 - 3 Electrical System (A Model Beds)... 3 - 4 Power Supply Unit Characteristics... 3 - 5 Power Stage... 3 - 5 Function Control... 3 - 6 Battery Circuit... 3 - 6 Control Logic and Specific Functions... 3 - 7

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CareAssist™ Bed Service Manual (MAN330 REV 2)

Patient Pendant... 3 - 8 Motor Characteristics... 3 - 8 Management of the Motors... 3 - 8 Detection of Bed Not in Low Position... 3 - 9 Automatic Contour... 3 - 9 Dining Chair™ Position... 3 - 9 Detection of Bed Connected to AC Power but Brakes Not Set... 3 - 9 Trendelenburg/Reverse Trendelenburg... 3 - 10 Electrical System (B Model Beds)... 3 - 11 Power Supply Unit Characteristics... 3 - 12 Power Stage... 3 - 13 Function Control... 3 - 13 Battery Circuit... 3 - 13 Control Logic and Specific Functions... 3 - 14 Patient Pendant... 3 - 15 Motor Characteristics... 3 - 15 Management of the Motors... 3 - 16 Detection of Bed Not in Low Position... 3 - 16 Automatic Contour... 3 - 16 Dining Chair™ Position... 3 - 16 Detection of Bed Connected to AC Power but Brakes Not Set... 3 - 17 Trendelenburg/Reverse Trendelenburg... 3 - 17 Scale and Bed Exit Systems... 3 - 17 Electrical System Wiring Diagram... 3 - 19 Chapter 4: Removal, Replacement, and Adjustment Procedures Tool and Supply Requirements... 4 - 1 Sleep Deck... 4 - 3 Removal... 4 - 3 Replacement... 4 - 5 AC Power Cord (A Model Beds)... 4 - 6 Removal... 4 - 6

CareAssist™ Bed Service Manual (MAN330 REV 2)

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Replacement... 4 - 6 Power Supply (A Model Beds)... 4 - 9 Removal... 4 - 9 Replacement... 4 - 11 Battery (A Model Beds)... 4 - 12 Removal... 4 - 12 Replacement... 4 - 13 Head Section Motor... 4 - 15 Removal... 4 - 15 Replacement... 4 - 19 CPR Cable... 4 - 20 Removal... 4 - 20 Replacement... 4 - 22 Adjustment... 4 - 22 Knee Section Motor... 4 - 23 Removal... 4 - 23 Replacement... 4 - 26 Foot Section Motor... 4 - 27 Removal... 4 - 27 Replacement... 4 - 30 Head Hilow Column (A Model Beds)... 4 - 31 Removal... 4 - 31 Replacement... 4 - 32 Foot Hilow Column (A Model Beds)... 4 - 34 Removal... 4 - 34 Replacement... 4 - 36 Brake Detection Switch... 4 - 38 Removal... 4 - 38 Replacement... 4 - 38 Brake/Steer Bar... 4 - 40 Removal... 4 - 40

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CareAssist™ Bed Service Manual (MAN330 REV 2)

Replacement... 4 - 42 Caster... 4 - 44 Removal... 4 - 44 Replacement... 4 - 45 SideCom® Communication System P.C. Board (A Model Beds)... 4 - 47 Removal... 4 - 47 Replacement... 4 - 48 Interface P.C. Board (A Model Beds)... 4 - 49 Removal... 4 - 49 Replacement... 4 - 50 Fuses (A Model Beds)... 4 - 51 Removal... 4 - 51 Replacement... 4 - 51 Siderail Control P.C. Board... 4 - 53 Removal... 4 - 53 Replacement... 4 - 54 Patient Pendant... 4 - 56 Removal... 4 - 56 Replacement... 4 - 56 Patient Pendant Mount... 4 - 57 Removal... 4 - 57 Replacement... 4 - 57 Bed Exit Switch... 4 - 58 Removal... 4 - 58 Replacement... 4 - 61 Head Hilow Column (B Model Beds)... 4 - 63 Removal... 4 - 63 Replacement... 4 - 66 Foot Hilow Column (B Model Beds)... 4 - 68 Removal... 4 - 68 Replacement... 4 - 71

CareAssist™ Bed Service Manual (MAN330 REV 2)

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Load Beams (B Model Beds)... 4 - 73 Removal... 4 - 73 Replacement... 4 - 76 Scale Control Pod (B Model Beds)... 4 - 77 Removal... 4 - 77 Replacement... 4 - 79 Scale Control Pod P.C. Board (B Model Beds)... 4 - 80 Removal... 4 - 80 Replacement... 4 - 82 Batteries (B Model Beds)... 4 - 83 Removal... 4 - 83 Replacement... 4 - 84 Motor Control P.C. Board (B Model Beds)... 4 - 85 Removal... 4 - 85 Replacement... 4 - 86 SideCom® Communication System P.C. Board (B Model Beds)... 4 - 87 Removal... 4 - 87 Replacement... 4 - 88 Line Filter (B Model Beds)... 4 - 89 Removal... 4 - 89 Replacement... 4 - 90 Scale P.C. Board (B Model Beds)... 4 - 91 Removal... 4 - 91 Replacement... 4 - 92 Siderail Interface P.C. Board (B Model Beds)... 4 - 93 Removal... 4 - 93 Replacement... 4 - 94 Transformer (B Model Beds)... 4 - 95 Removal... 4 - 95 Replacement... 4 - 96 Power Cord (B Model Beds)... 4 - 97

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CareAssist™ Bed Service Manual (MAN330 REV 2)

Removal... 4 - 97 Replacement... 4 - 99 Fuses (B Model Beds)... 4 - 100 Removal... 4 - 100 Replacement... 4 - 103 Chapter 5: Parts List Service Parts Ordering... 5 - 1 Exchange Policy... 5 - 3 In-Warranty Exchanges... 5 - 3 Out-of-Warranty Exchanges... 5 - 3 Warranty... 5 - 4 Recommended Spare Parts... 5 - 6 Base Frame-A Model... 5 - 10 Articulating Frame-A Model... 5 - 14 Foot Extension-A Model... 5 - 18 Head Siderail-A Model... 5 - 20 Foot Siderail-A Model... 5 - 24 Footboard and Headboard-A Model... 5 - 26 Plastic Sleep Deck-A Model... 5 - 27 Motor Control Box-A Model... 5 - 28 CPR Cables-A Model... 5 - 30 Control Cables-A Model... 5 - 32 Interface Control Box-A Model... 5 - 34 Base Frame-B Model... 5 - 36 Articulating Frame-B Model... 5 - 40 Foot Extension-B Model... 5 - 44 Head Siderail-B Model... 5 - 46 Head Siderail Mounting-B Model Beds... 5 - 50 Foot Siderail-B Model... 5 - 52 Footboard and Headboard-B Model... 5 - 54 Plastic Sleep Deck-B Model... 5 - 55

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Motor Control Box-B Model... 5 - 56 CPR Cables-B Model... 5 - 58 Control Cables-B Model... 5 - 60 Chapter 6: General Procedures Cleaning and Care... 6 - 1 General Cleaning... 6 - 1 Steam Cleaning... 6 - 1 Cleaning Hard to Clean Spots... 6 - 2 Disinfecting... 6 - 2 Component Handling... 6 - 2 P.C. Board... 6 - 2 Lubrication Requirements... 6 - 3 Preventive Maintenance... 6 - 4 Preventive Maintenance Schedule... 6 - 5 Preventive Maintenance Checklist... 6 - 10 Scale Calibration... 6 - 11 Chapter 7: Accessories Accessories... 7 - 1 Infusion Support System-P158... 7 - 2 Installation... 7 - 2 Removal... 7 - 2 Oxygen Tank Holder-P27601... 7 - 3 Installation... 7 - 3 Removal... 7 - 3 Standard IV Pole-P2217... 7 - 4 Installation... 7 - 4 Removal... 7 - 4 Mattress Pad Extender-P734EA1... 7 - 5 Installation... 7 - 5 Removal... 7 - 5

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CareAssist™ Bed Service Manual (MAN330 REV 2)

Chapter 1 Introduction Purpose This manual provides requirements for the CareAssist™ Bed normal operation and maintenance. It also includes parts lists (in chapter 5) for ordering replacement components.

Audience This manual is intended for use by only facility-authorized personnel. Failure to observe this restriction can result in severe injury to people and serious damage to equipment.

Organization This manual contains seven chapters.

Chapter 1: Introduction In addition to a brief description of this service manual, chapter 1 also provides a product overview.

Chapter 2: Troubleshooting Procedures Repair analysis procedures are contained in this chapter. Use these procedures to gather information, identify the maintenance need, and verify the effectiveness of the repair.

Chapter 3: Theory of Operation This chapter describes the application of the mechanical and electrical systems employed in this product.

CareAssist™ Bed Service Manual (MAN330 REV 2)

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1

Organization Chapter 1: Introduction

Chapter 4: Removal, Replacement, and Adjustment Procedures Chapter 4 contains the detailed maintenance procedures determined necessary in chapter 2.

Chapter 5: Parts List This chapter contains the warranty, part-ordering procedure, and illustrated parts lists.

Chapter 6: General Procedures Cleaning, preventive maintenance, and other general procedures are described in this chapter.

Chapter 7: Accessories A list of additional products, that can be used in conjunction with the CareAssist™ Bed, is available in chapter 7. Installation procedures for these accessories are also included.

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CareAssist™ Bed Service Manual (MAN330 REV 2)

Document Symbol Definition Chapter 1: Introduction

Document Symbol Definition This manual contains different typefaces and icons designed to improve readability and increase understanding of its content. Note the following examples: • Standard text-used for regular information. • Boldface text-emphasizes a word or phrase. • NOTE:-sets apart special information or important instruction clarification. • The symbol below highlights a WARNING or CAUTION: Figure 1-1. Warning and Caution

–

A WARNING identifies situations or actions that may affect patient or user safety. Disregarding a warning could result in patient or user injury.

–

A CAUTION points out special procedures or precautions that personnel must follow to avoid equipment damage. • The symbol below highlights a CAUGHT HAZARD WARNING: Figure 1-2. Caught Hazard Warning

• The symbol below highlights a CHEMICAL HAZARD WARNING: Figure 1-3. Chemical Hazard Warning

• The symbol below highlights an ELECTRICAL SHOCK HAZARD WARNING: Figure 1-4. Electrical Shock Hazard Warning

CareAssist™ Bed Service Manual (MAN330 REV 2)

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1

Overview Chapter 1: Introduction

Overview The CareAssist ™ Bed is intended for low to moderate acuity patients in the medical/surgical area of the hospital. The CareAssist™ Bed can also be used as a general-purpose variable height hospital bed for general care, postoperative care, and general medicine wards. For more information refer to the CareAssist™ Bed User Manual (usr116). Before you service the CareAssist™ Bed, make sure you have read and understood in detail the contents of this manual. It is important that you read and strictly obey the aspects of safety contained in the this manual.

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CareAssist™ Bed Service Manual (MAN330 REV 2)

Physical Description Chapter 1: Introduction

Physical Description For CareAssist™ Bed specification, see table 1-1 on page 1-5 through table 19 on page 1-8. Table 1-1. Dimensions

Feature

Dimension

Total length Maximum width (siderails stored) Maximum width (siderails up) Mattress dimensions:

100" (254 cm) 40" (102 cm) 40" (102 cm)

Mattress width Mattress length Caster size Total weight

36.0" (91.4 cm) 80" (203.2 cm) 6" (15 cm) 420 lb (191 kg) without surface, options, or accessories Table 1-2. Specifications

Feature

Dimension

Head section inclination (maximum) 65° Knee section inclination (maximum) 20° Foot section inclination (maximum) -23° Maximum height (to top of sleep deck) 32.5" (82.6 cm) Minimum height (to top of sleep deck) 16.75" (42.55 cm) Trendelenburg position (maximum) 16° Safe working load 400 lb (181 kg) (safe working load includes: patient, acces­ sories, mattress, and etc.) Siderail opening size Distance between siderails

CareAssist™ Bed Service Manual (MAN330 REV 2)

4.34" (11.02 cm) < 2.3" (58.4 mm)

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1

Physical Description Chapter 1: Introduction

Table 1-3. Environmental Conditions for Transport and Storage

Condition Temperature Relative humidity Pressure

Range -40°F to 122°F (-40°C to 50°C) 95% non-condensing 50 kPa to 106 kPa

Nurse Call Connection Requirements For information about the Nurse Call connection requirements, refer to the SideCom® Com­ munication System Design and Application Manual (ds059).

Mattress Flammability The sleep surface mattress meets the following specifications: • CAL TB-117, Requirements, Test Procedure and Apparatus for Testing the Flame Retardance of Resilient Filling Materials Used in Upholstered Furniture (foam) • 16 CFR 1632, Standard for the Flammability of Mattresses and Mattress Pads • CAL TB-129, Flammability Test Procedures for Mattresses for Use in Public Buildings (models with fire barrier only) • BFD IX-II, Boston Fire Department Mattress Fire Test (models with fire barrier only)

Table 1-4. Environmental Conditions for Use

Condition Temperature Relative humidity range Atmospheric Pressure

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Range 32°F to 104°F (0°C to 40°C) ambient tem­ perature 30% to 85% non-condensing 70 kPa to 106 kPa

CareAssist™ Bed Service Manual (MAN330 REV 2)

Physical Description Chapter 1: Introduction

Table 1-5. AC Power Requirements Nominal Power Distribution Voltage (Volts)

Nominal Power Distribution Frequency (Hertz)

Maximum Equipment Current (Amps)

120

60

6.0

100-120

50/60

7.5

127

50/60

6.0

220/230/240

50/60

3.5

a

a. North American power supply configuration.

Table 1-6. Fuse Specifications

Condition Battery fuse Mains fuse

Range 10 A, 32 V~, ATO 2 each 2.5 A, 250 V~, 5 x 20 mm, UL 198G Slo-Blo® or equivalent (220, 230, and 240 V beds) 2 each 5 A, 250 V~, .25" x 1.25", UL 198G Slo-Blo® or equivalent (100 V through 127 V beds) a

a. Slo-Blo® is a registered trademark of Littlefuse, Inc.

Table 1-7. Regulation, Standards, and Codes

The CareAssist™ Bed is designed and manufactured according to the following equipment classifications and standards: Technical and Quality Assurance UL 60601-1 Standards CSA® C22.2 No. 601.1 IEC 60601-2-38 EN 60601-1 IEC 60601-1-2 EN ISO 9001 and EN 13485 Equipment Classification per IEC 60601-1 Class I equipment, internally powered equipment Degree of Protection Against Electric Type B Shock Degree of Protection Against Ingress of Protection against spraying or splashing Water water- IPX4 a

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Physical Description Chapter 1: Introduction

Degree of Protection Against the Presence of Flammable Anaesthetic Mixtures Mode of Operation Sound level (measured 1 meter from patient’s ear)

Not for use with flammable anaesthetics. Continuous operation with intermittent loading, 3 minutes ON/27 minutes OFF < 60 dBA

a. CSA® is a registered trademark of Canadian Standards Association, Inc.

Table 1-8. Electromagnetic Emissions Guidance Guidance and Manufacturer's Declaration-Electromagnetic Emissions The CareAssist™ Bed model P1170 is intended for use in the electromagnetic environment specified below. The customer or the user of the model P1170 should make sure it is used in such an environment.

Emissions Test

Compliance

Electromagnetic Environment-Guidance

RF emissions CISPR 11

Group 1

The model P1170 uses RF energy only for its internal functions. Therefore, its RF emissions are low and are not likely to cause any interference in nearby electronic equipment.

RF Emissions CISPR 11

Class A

Harmonic Emissions IEC 61000-3-2

Not Applicable

The model P1170 is suitable for use in all establishments other than domestic and those directly connected to the public low-voltage power supply network that supplies buildings used for domestic purposes.

Voltage Fluctuations/ Flicker Emissions IEC 61000-3-3

Not Applicable

Table 1-9. Electromagnetic Immunity Guidance Guidance and Manufacturer's Declaration-Electromagnetic Emissions The CareAssist™ Bed model P1170 is intended for use in the electromagnetic environment specified below. The customer or the user of the model P1170 should make sure it is used in such an environment.

Immunity Test

IEC 60601 Test Level

Compliance Level

Electromagnetic Environment-Guidance

Electrostatic Discharge (ESD) IEC 61000-4-2

± 6 kV Contact ± 8 kV Air

± 6 kV Contact ± 8 kV Air

Floors should be wood, concrete, or ceramic tile. If floors are covered with synthetic material, the relative humidity should be at least 30%.

Radiated RF IEC 61000-4-3

3 Vrms 80 MHz to 2.5 GHz

3 Vrms 80 MHz to 2.5 GHz

Portable and mobile RF communica­ tions equipment should not be used at close distances to the P1170 bed. (See Note 2)

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CareAssist™ Bed Service Manual (MAN330 REV 2)