Nokia SSS1100 Bedienungsanleitung

NTC DN9986052/1.0.0

SSS1100 / 1100+ AND SSS2 OUTDOOR

Maintenance Manual

(ii)NTC DN9986052/1.0.0

The information in this document is subject to change without notice and describes only the

product and its version defined in the introduction of this document. This document is intended for

the use of Nokia Telecommunications' customers only for the purposes of the agreement under

which the document is submitted, and no part of it may be reproduced or transmitted in any form

or means without the prior written permission of Nokia Telecommunications. The document has

been prepared to be used by professional and properly trained personnel, and the customer

assumes full responsibility when using it. Nokia Telecommunications welcomes customer

comments as part of the process of continuous development and improvement of the

documentation.

The information or statements given in this document concerning the suitability, capacity, or

performance of the mentioned hardware or software products cannot be considered binding but

shall be defined in the agreement made between Nokia Telecommunications and the customer.

However, Nokia Telecommunications has made all reasonable efforts to ensure that the

instructions contained in the document are adequate and free of material errors and omissions.

Nokia Telecommunications will, if necessary, explain issues which may not be covered by the

document.

Nokia Telecommunications' liability for any errors in the document is limited to the documentary

correction of errors. Nokia Telecommunications WILL NOT BE RESPONSIBLE IN ANY EVENT

FOR ERRORS IN THIS DOCUMENT OR FOR ANY DAMAGES, INCIDENTAL OR

CONSEQUENTIAL (INCLUDING MONETARY LOSSES), that might arise from the use of this

document or the information in it.

This document and the product it describes are considered protected by copyright according to

the applicable laws.

NOKIA logo is a registered trademark of Nokia Corporation.

Other product names mentioned in this document may be trademarks of their respective

companies, and they are mentioned for identification purposes only.

Maintenance Manual

NTC DN9986052/1.0.0 (iii)

INTERNAL HISTORY PAGE

Archive

Location: \\ntcsrv03ca\groupdat\SiSo\ET2 Family

Documentation\SSS1100 and SSS2 outdoor

Filename: Maintenance manual.doc

History

Date Version Author Change Note No./Notes

18 March 99 0.0.1 Tyrone Williams First Draft

28 July 99 1.0.0 Tyrone Williams Authorised

Maintenance Manual

(iv)NTC DN9986052/1.0.0

APPROVAL PAGE

Edited/Translated by: T Williams Date:

Checked by: A Weeber Date:

Approved by: M Weckström Date:

Maintenance Manual

NTC DN9986052/1.0.0 1(27)

CONTENTS

1. INTRODUCTION..................................................................................................4

1.1. Fault reporting...............................................................................................4

1.2. Environmental restrictions.............................................................................4

2. TOOLS AND TEST EQUIPMENT........................................................................6

2.1. Maintenance tools list....................................................................................6

2.1.1. SSS1100 / 1100+ and SSS2 cabinet located with a BTS...................7

3. PERIODICAL MAINTENANCE MEASURES .....................................................8

3.1. Cabinet maintenance......................................................................................8

3.1.1. Cleaning the SSS1100 / 1100+ and SSS2.........................................8

3.1.2. Access to the plinth base..................................................................8

3.1.3. Cabinet paint....................................................................................9

3.1.4. Lock..............................................................................................10

3.1.5. Hinges ...........................................................................................10

3.1.6. Seals..............................................................................................10

3.1.7. Cabinet interior check....................................................................13

3.2. Site..............................................................................................................13

4. HMU MAINTENANCE.......................................................................................14

4.1. Cleaning fans...............................................................................................14

4.2. Cleaning the exchanger plates (ACU)..........................................................15

4.3. Replace drain tube (ACU) ...........................................................................15

4.4. Cleaning the recuperator (HE).....................................................................16

5. BATTERY BACKUP UNIT ................................................................................17

Maintenance Manual

2(27)NTC DN9986052/1.0.0

5.1. Visual checks.............................................................................................. 17

5.1.1. External damage............................................................................ 17

5.1.2. Pressure spots ............................................................................... 17

5.1.3. Deformities................................................................................... 17

5.1.4. Corrosion of battery terminals....................................................... 18

5.1.5. Acid escape................................................................................... 18

5.1.6. Accessories check......................................................................... 18

5.2. Mechanical checks...................................................................................... 18

5.2.1. Terminal screws torque check....................................................... 19

5.2.2. Battery terminals greased.............................................................. 19

5.3. Environmental conditions ........................................................................... 19

5.3.1. Battery ventilation......................................................................... 20

5.3.2. Battery compartment temperature ................................................. 20

5.4. General measurements................................................................................ 20

5.4.1. Batteries idle voltage..................................................................... 21

5.4.2. Entire float charge voltage............................................................. 21

5.4.3. Single float charge voltage............................................................ 21

5.5. Completing the BBU maintenance.............................................................. 22

6. SMOKE DETECTOR.......................................................................................... 23

7. MAINTENANCE CHECKLIST.......................................................................... 25

8. REFERENCES.................................................................................................... 27

Maintenance Manual

NTC DN9986052/1.0.0 3(27)

Maintenance Manual

4(27)NTC DN9986052/1.0.0

1. INTRODUCTION

This document describes the maintenance of the SSS1100 / 1100+ and SSS2

cabinets as a post-integration function check. This document is to be used together

with [8] and [9]. This document is intended for the service personnel of the network

operator.

The SSS1100 / 1100+ and SSS2 cabinets are designed to work in conjunction with

a Nokia DE / DF 34 Base Station and contain three main functions. They supply

DC power to the Base Station, house a battery backup system and provide space

and DC power for customer chosen and supplied RLEs.

The task of the maintenance is to check the functions of the SSS1100 / 1100+ and

SSS2 and its inventory periodically.

The maintenance is to be undertaken every six months using [3].

In special cases, e.g. dusty ambient conditions, shorter maintenance intervals may

be required. This should be decided at the discretion of Nokia and the customer.

1.1. Fault reporting

All damage, failures and faults should be corrected, wherever possible, during

installation of the cabinet, and reported to Nokia using a Failure Report Form

provided by the Customer Service Centre (CSC).

Update the site folder after maintenance measures or modifications.

1.2. Environmental restrictions

When doing maintenance work on the SSS1100 / 1100+ and SSS2 cabinet with the

front door or the roof open, follow the restrictions below:

1. Rain or snow must not be allowed to fall on the internal surfaces of the

equipment. The internal surfaces are the front panels, cables, connectors

and documentation.

2. The door must not be opened in environments where dust can be blown

into the cabinet through the open door.

3. If a cabinet door is opened in low temperatures (below +5°C), an adequate

heating and weather protection must be provided for the cabinet, in order

to maintain the cabinet temperature above +5°C.

Maintenance Manual

NTC DN9986052/1.0.0 5(27)

4. Avoid keeping the cabinet door open in high temperatures in order not to

disturb the cabinet cooling system.

5. Exercise great caution when opening a cabinet's roof in strong wind

conditions. A forceful wind may tear the roof panel off its hinges, and the

falling roof panel may cause danger to personnel and damage to the

equipment. Always secure the roof into position with the roof arrester.

6. Exercise great caution when opening a cabinet's door in strong wind

conditions. A forceful wind may open or close the door with such force

that it can cause danger to personnel and damage to the equipment.

Always secure the door into position with the door arrester.

Maintenance Manual

6(27)NTC DN9986052/1.0.0

2. TOOLS AND TEST EQUIPMENT

This chapter details the tools and the measurement equipment required for the

maintenance of the SSS1100 / 1100+ and SSS2 cabinet.

2.1. Maintenance tools list

The essential commissioning tools are detailed below. A more detailed list of the

maintenance tools can be obtained from your nearest CSC.

Table 1Maintenance tools

No Item

1Anti-static hand strap

2Socket wrench, 10mm

3Screwdriver set, flat

4Screwdrivers, pozi-drive (cross head), sizes 1, 2 and 3

5Synthetic test gas for smoke sensor testing

6Hot air fan 230 AC, adjustable temperature

7Freezing spray

8BTS door key and door handle

9Compressed air for cleaning HE

10 Brush/cloths for cleaning, pH-neutral soap solution if necessary

11 Digital Multimeter

12 Voltmeter

13 Insulated torque spanner, 11 mm (6.78 Nm)

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