MSA Latchways PRD 68220 Manual de usuario

Important document – retain for future use

MSA

safety

.com

MSA Latchways Personal Rescue

Device® (Latchways PRD®)

User Instructions

CSA Z259.2.3-16/1/D

ANSI Z359.4-2013

EN English - User instructions 3

FR Français - Mode d’emploi 12

Español - Instrucciones de usuario 23

Date of rst use dd / mm / yy

Date de première utilisation

Fecha de primer uso

No part of this document may be reproduced or

transmitted in any form or by any means, without prior

permission in writing from Latchways plc.

MSA Latchways PRD descender device

certicate of conformity

Serial number

Date of manufacture: dd / mm / yy

We certify that this item has been inspected and conforms to the full requirements and specications of the

relevant standards (tick applicable box):

ANSI Z359.4-2013 CSA Z259.2.3-16/1/D

The quality control arrangements adopted in respect of this item conforms to the conditions of EN ISO 9001:2008.

Issue date: dd / mm / yy Place: Devizes, UK

Signed/(inspection stamp):

Manufactured by Attestation of conformity Production control phase

Latchways plc

Hopton Park

Devizes

Wiltshire

SN10 2JP

United Kingdom

Tel: +44 (0) 1380 732700

Fax: +44 (0) 1380 732701

email: info.gb@MSAsafety.com

MSAsafety.com

Notied Body number 0321

SATRA Technology Centre Ltd

Wyndham Way, Telford Way,

Kettering, Northamptonshire,

NN16 8SD

United Kingdom

Tel: +44 (0 )1536 410000

Notied Body number 0194

INSPEC Certication

Services

56 Leslie Hough Way

Greater Manchester

M6 6AJ

United Kingdom

Tel: +44 (0)1617 370699

Disclaimer

Every effort has been made to ensure that the information contained within these User instructions

is both accurate and current. As part of MSA’ continuous improvement programme changes may

be made to the product after the publication date. Therefore, occasionally, the product and these

instructions may slightly differ.

*Date of rst use shall be administratively provable. Where the date of rst use is unknown, then the next previous

administratively provable date shall be used, e.g. date of purchase or date of manufacture.

Latchways PRD descender device

certicate of conformity

Periodic examination log (page 34)

To be completed by a Competent person at least every 12 months from the date of rst use* and

retained. Periodic examinations are an important element for maintaining product safety and shall

be completed in accordance with MSA instructions. Latchways PRDs scheduled for examination

shall be withdrawn from service. Approved harnesses shall be examined in accordance with the

Approved harness manufacturers' instructions.

ASee completed example below for guidance.

Date Inspected by

(block capitals) Signature Examination completed/

comments

Date of next

examination

dd / mm / yy

✓

dd / mm / yy

21 10 15 21 10 16D. HEARSON PASSED

✓

1 2 3 4 5

BDescender device label (see page 33)

CSerial number label (see page 33)

Latchways PRD descender device label product markings

1Model

2Manufacturer

3Applicable standards

4ATEX

5Read the manual

6Max descent height

7User weight

8Operating temperature

9Operating instructions

10 Serial number

11 Notied body

12 Next examination date

13 Date of manufacture

14 Part number

Warranty details

MSA warrants the Latchways PRD descender device, excluding auxiliary components, against

defects in materials and workmanship for one year from the date of the original purchase by

the consumer. This warranty applies to the decender device only. Refer to Approved harness

Manufacturer's instructions for Approved harnesses' warranty. Full terms and conditions can be

found at MSAsafety.com/warranty.

Date of rst use*: (page 2) The date the descender device is removed from the packaging.

Latchways PRD descender device user instructions

The User shall read and understand the user instructions before use and shall follow

the user instructions when using the equipment. These instructions and corresponding

inspection records shall be retained for future reference and should be used as part of an

employee training programme.

It is essential for the safety of the user that if the Latchways PRD descender device is resold

outside the original country of destination, the reseller shall provide instructions for use,

maintenance, periodic examination and repair in the language of the country in which the

device will be used.

Before use it shall be ensured that the serial number of the descender device matches those

listed on the certicate of conformity and equipment record sheet.

Intended purpose

The Latchways PRD descender device, combined with an Approved harness, is intended to be used

as part of a fall arrest system and, in the event of a fall, the descender device can be activated by the

User or Rescuer to lower the User safely to a lower level. The Latchways PRD decent device can be

used for one descent only. Once activated, the descent speed is automatically limited and requires

no further input from the User. The Latchways PRD descender device shall be a personal issue item.

Descender model number 68220

Maximum descent height 65 ft / 20 m

Descent energy 25,300 ft/lbF / 34,300 J

Descent line type 3/16 in (5.4 mm) diameter Ultra-High Molecular Weight

Polyethylene (UHMwPE) core, Aramid overbraid rope

Personnel requirements

The Latchways PRD shall only be used by a person who is trained and competent in its safe use.

Fitness and age signicantly affect a person’s ability to safely withstand fall arrest loads. Only people

who are physically and mentally t and healthy, not under the inuence of drugs or alcohol are

permitted to use this equipment. Medical advice should be sought if a User’s suitability is unclear.

The Latchways PRD shall not be used by pregnant women or minors.

Product limitations

The Latchways PRD shall only be used within it’s limitations and the purpose for which it is intended.

All examinations shall be conducted by a Competent person. No attempt shall be made to modify

or repair the equipment. All instructions shall be followed to ensure the safety of the User. Approved

harnesses shall be changed by Technicians in accordance with MSA' instructions.

• Only Approved harnesses on the Latchways PRD Approved harness list (available at

MSAsafety.com) shall be used with a Latchways PRD descender device.

• Total User weight (including tools) 130 lbs min - 310 lbs max (59 kg min – 140 kg max).

• The Latchways PRD is for a single User, for rescue purposes only.

Latchways PRD descender device user instructions

Product limitations (continued)

• Use of this equipment in hazardous environments may require additional precautions to reduce

the possibility of injury to the user or damage to the equipment. Hazards may include, but are

not limited to: high heat, res, acids, caustic solutions, welding ames, explosive or toxic gases,

corrosive environments, sharp edges, moving machinery.

• Standard operating temperature -4°F to +140°F (-20°C to +60°C).

• Extended operating temperature -40°F to +140°F (-40°C to + 60°C). If the unit is used between

-40°F to -4°F (-40°C to -20°C), it must be in a dry condition before use.

• Descent speed is between 1.6 – 6.6 ft/sec or 0.5 – 2 m/sec.

• After a single descent, the descender device shall be withdrawn from service, details recorded on

the periodic examination log and returned to MSA or an authorised agent.

• Should a fall occur and the Approved harness be subjected to fall arrest loads, it shall be

withdrawn from service.

• The life of the product can be affected by environmental conditions.

• The Latchways PRD is suitable for use in areas in which explosive atmospheres caused by

mixtures of air and gases, vapours or mists or by air/dusts mixtures are likely to occur, as per BS

EN 13463-1:2001 equipment group II, category 2.

Pre-use checks and requirements

Risk assessment and rescue planning

The Latchways PRD forms part of a fall protection system and it is

therefore recommended that before undertaking work at height and

at regular intervals during the period of work, a risk assessment is

carried out. The risk assessment should cover, but is not limited

to, descent height, descent path, suitability of landing areas,

unprotected edges and rescue.

A rescue plan shall be in place to deal with any emergency that may

arise.

The Latchways PRD is designed, primarily, as a self-rescue system

and will assist with rescue planning. In the event that the User is

unable to initiate self-rescue a secondary release means is provided

on the right-hand shoulder area. This is a red and black rubberised

loop (gure 3a) which can be pulled by a Rescuer, by hand or with

the aid of the Latchways PRD Rescue Pole (gure 3b) or by other

means, to activate the descent. A telescopic pole assembly is

available (MSA part number 68099-00) for this purpose. Secondary

release by a Rescuer should be taken into account in the risk

assessment.

Figure 3b

Figure 3a

Anchor point requirements

ANSI The anchor point shall be able to sustain a minimum certied load of 3600 lbs

(16 kN) or 5000 lbs (22.2 kN) in the absence of certication. Refer to ANSI Z359.14-

2012 CLASS B.

CSA The anchor point shall be able to sustain a minimum load of 5000 lbs (22.2 kN).

Refer to CSA Z259.15 CSA Z259.13, CSA Z259.15

Note: If multiple fall arrest systems are attached to the same anchor point the strength

requirement shall be multiplied by the number of personal fall arrest systems.

Lanyard

Always use an energy absorbing lanyard or retractable type fall arrestor that complies with the

relevant standards within the country of use. In some Approved harness variants, side attachment

points are included. These attachments are only to be used for a suitable work positioning lanyard.

ANSI ANSI Z359.1 or ANSI Z359.13

CSA CSA Z259.2.2, CSA Z259.11

Connectors

Connectors shall conform to the relevant national standards and must be compatible.

ANSI ANSI Z359.1 or Z359.12

CSA CSA Z259.12

Pre-use checks

The Latchways PRD has been designed to be easy to use, incorporating a range of features

to aid pre-use checks and on-site periodic examination. This minimises the need to return the

device to MSA or an authorised agent. No repairs, modications or alterations are to be carried

out on the Latchways PRD. If any part of the Latchways PRD is found to be faulty, or a fault

is suspected, the device shall be removed from service and advise sought from MSA or an

authorised agent.

Problem identied Passes checks

Descender device/line

The following checks shall be carried out each time the Latchways PRD descender device is used:

Figure 4

Figure 5

• Inspect the attachment point connector for signs of damage,

excessive wear, distortion, corrosion or cracking.

• Ensure that the descent line is not paid out of the device, this would

indicate that a descent has occurred (Figure 4). If descent line is paid

out the Latchways PRD descender device shall be removed from

service and advise sought from MSA or authorised agent.

• Note: Attachment point size and shape may differ from that shown

in the diagram.

• Open the backpack containing the device (Figure 5).

• Inspect the general condition of the device for signs of damage or

corrosion. If damaged the Latchways PRD descender device shall

be removed from service and advise sought from MSA or authorised

agent.

Figure 6

Figure 7

• Inspect descent line for any ‘slack’ between the drum and rack

(Figure 6). If the line is slack the Latchways PRD descender

device shall be removed from service and advise sought from

MSA or authorised agent.

• Check the legibility of the product markings.

• Inspect the release pin for signs of damage, distortion, corrosion

or cracking. Ensure that it is engaged. Ensure that the red release

cord is positioned under the release pin and that the load-line

webbing is looped around the release pin (Figure 7).

• Ensure that the green release pin clip is present and undamaged—

check for signs of damage, distortion or cracking (Figure 7).

• Ensure that the release cord guide is undamaged (Figure 8).

• Inspect the descent line, load-line and release cord for signs of cuts,

abrasion, fraying, tears, mould, discolouration, chemical attack or

excessive build-up of dirt. Check the stitching for signs of loosening,

pulling or cut thread. Excessive build-up of dirt may prevent the

descent line from pulling through the device. If damage is apparent

the Latchways PRD descender device shall be removed from

service and advise sought from MSA or authorised agent.

• After inspection close the zip on the backpack fully.

Figure 8

Figure 9

• Unzip the back panel of the backpack and inspect the Attachment

locking bolt for signs of damage, distortion, corrosion or cracking.

Ensure that the bolt is secure (Figure 9). If damage is apparent or

the bolt insecure the Latchways PRD descender device shall be

removed from service and advise sought from MSA or authorised

agent.

• Inspect all system components and subsystems according to MSA’

instructions.

Harness

• The Latchways PRD descender device shall only be used with an Approved harness.

• Approved harnesses shall comply with relevant standards within the country of use.

ANSI ANSI Z359 11 2014

CSA CSA Z259 10-12 (2013)

• Approved harnesses shall be examined and maintained in accordance with the manufacturers'

instructions.

• An Approved harness is designed to arrest a single fall from height only once. If subjected to an

arrested fall the Approved harness shall be withdrawn from service and destroyed.

Using the Latchways PRD descender device

Fitting and adjusting the harness

The safety of the User is dependant upon a correctly tted Approved harness. This shall be worn over

any clothing. Refer to separate Approved harness manufacturers' User instructions for tting, inspection

and maintenance of the Approved harness

• Connect the karabiner of the energy absorbing lanyard to the rear

fall arrest attachment point marked

(Figure 10).

is the only

attachment point that will operate the Latchways PRD descender

device rescue function.

• Note: Attachment point size and shape may differ from that shown

in the diagram.

Figure 10

Using the Latchways PRD descender device

Additional attachment points

Some Approved harnesses may include attachment points (e.g. at the chest, shoulders or hips).

Refer to separate Approved harness User instructions for correct use of these attachment points.

The Latchways PRD rescue facility will operate on the rear attachment point

only.

Activating self-rescue

During a descent it may be possible to land on a lower part of a structure, this is not recommended

as it may cause slack in the system and provided potential for a secondary fall.

• Following a descent, internal components of the Latchways PRD descender device may become

hot. Allow to cool before opening the backpack.

• After a descent, the Latchways PRD descender device must be withdrawn from service and

details recorded on the periodic examination log.

Periodic examination

The Latchways PRD descender device is a key component in an emergency rescue plan. To

assess functionality periodic examinations shall be completed at least every 12 months, from

the date of rst use, in accordance with MSA instructions. Local requirements, environmental

conditions or frequency of use can dictate more frequent examination. The periodic examination

shall be recorded in the periodic examination log. Approved harnesses shall be examined in

accordance with the manufacturers' instructions.

Periodic examination instructions may be downloaded from MSAsafety.com.

The service life of the Latchways PRD descender device, based upon its textile elements, has

been evaluated to be up to 10 years. Factors such as (but not limited to): environmental conditions

(eg contact with chemicals, exposure to temperatures >140ºF (>60ºC), incorrect storage and

frequency of use may reduce the service life.

2 3 4

1Check the ground

below to ensure

descent path is

clear and a safe

landing is possible.

2 Open the ap on

the right shoulder

strap to access the

release cord.

3Pull sharply on the

release cord.

4Prepare for landing

by bending knees.

Figure 19

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