Truck Mounted Cranes – Hi-Ab

Study Guide with Self Tests

Assessment 16617 is both observation and a closed book written test.

This manual is the pre-course learning component of the course, please study it and answer the self check questions throughout the book. Bring the completed questions with you to the course.

Pay particular attention to the information on page 9 as you must remember the names and functions of 7 of the components found in this page. You will be required to prepare and lift two different types off loads, on and off your truck loader crane

Assessment 1754 is observation only, your answers to the self tests will be attached to your assessment schedule by the assessor.

All the answers to the questions are found in the back of the study guide.

1

The Course Objectives… Carry out crane pre-checks Carry out truck inspection

Carry out site inspection Carry out lift equipment checks Lift, place & secure a load & prepare for transport mode You are the operator

You are responsible

The Principle Objectives of Health & Safety in Employment Act 1992 Employer Responsibilities Prevent harm to employees at work Promotes Health & Safety in the workplace Provides Safety Regulations & Approved Codes of Practise

Provides responsibilities for all personnel within the workplace Provides hazard management plans for the workplace Employee Responsibilities You take all practical steps to ensure that you are not harmed and that you do not harm anyone else by your actions or your failure to take action, in the workplace

2

Other significant reference documents 1.

Crane safety manual

2.

ACOP for load lift rigging

3.

ACOP for cranes

4.

Company operating procedures

5.

Manufacturers instructions

6.

Company safety procedures

Requirements found in above material 1.

You must be trained and supervised to carry out your work

2.

You are responsible for your safety whilst at work Hazard controls Minimise Signs Training PPE Isolate Barriers Safety guards

Eliminate Get rid of

Wear appropriate PPE when working.

Use barriers around work area to keep moving vehicles away from work area.

Have unauthorised people removed from working area, do not proceed with lift until they have left.

3

Overhead obstructions

Ground surface

Type of load Vehicle and pedestrian traffic

Lighting conditions

4

Ways to reduce hazards on work site.

PPE

Traffic control

Barriers and signs

5

Articulating crane terminology and types Ancillary attachments: Devices attached to the crane that perform functions other than lifting a load with a hook, such as forks, augers, grapples and a digging bucket.

Articulating boom crane: A crane with two or more boom sections that pivot (articulate) using hydraulic cylinders; also known as a knuckle-boom crane.

Base: The main supporting structure of the crane that supports the stabilizer system and mast to the vehicle. Boom extension: A telescopic (hydraulic or manual) boom section that extends the reach of the crane. Mast: The vertical structure of the crane between the inner (main) boom and the base. Crane rating: A cranes gross lifting capacity established by the manufacturer. Extension cylinders: The hydraulic cylinders used to extend and retract the boom extensions. Gross capacity: The capacity listed on the crane’s load chart. Hydraulic tank: The reservoir that holds the cranes hydraulic fluid. Jib: A hydraulic boom section that articulates, extends and attaches to the end of the outer booms last extension.

6

A knuckle boom crane appears similar to a standard crane, except that the boom articulates at the 'knuckle' near the middle, letting it fold back like a finger. This provides a compact size for storage and manoeuvring.

Truck mounted boom crane.

7

Essential components and functions of crane and lifting equipment Brakes: stops crane long movement and cross travel and hoist/lower movements when activated.

Ropes: attached to the cranes winch drum and the hook, used to hoist the load. Sheaves: grooves in the winch drum and on the blocks that the rope(s) sit in and run through. Load equalisers: system for equalising (spreading) the load weight across two or more ropes or sling legs. Load indicators: device that gives the operator a load weight reading when the weight of the load has been taken by the crane. Limit warning devices: device that gives a warning when the SWL of the crane is being exceeded. Slings: lifting equipment – chain, wire and web slings etc. Spreaders: type of lifting equipment – usually four cornered from which hang sling legs that are connected to a load. Or; a bar, pole or wooden batten placed between two legs of a sling to keep them apart to keep the sling legs apart. Hooks: used for attaching loads to the crane and lifting equipment.

Bins: usually round or rectangular in shape that are filled with the load material being lifted. Tongs: two limbed piece of lifting equipment used to handle materials that should not be touched. Grabs: mechanical device that goes round (to grab), hold and lift loads. Magnets: lifting equipment used for lifting metals

8

Stabiliser beam

Slewing

Extension boom

Rotator

Stabiliser cylinder

Inner boom

Fly jib main boom

Grab

Outer boom

Fly jib extension

Hoist cable winch

9

Vehicle and crane pre-operation checklist Vehicle is legal & roadworthy • Certificate of fitness, registration and road user charges • Certificate of inspection for the crane • Certificate of annual inspection for lifting equipment Hydraulic leaks / visual inspection Hydraulic hoses Controls / hand throttle Securing pins Crane boom Chassis mounting bolts Vehicle and crane pre-operation checklist Warning devices All control functions are working Tyres and pressures Oil, water, hydraulics and fuel Counterweight Ropes Hook/hook block

10

Reporting of defects All faults must be reported immediately as per company policy All major faults must be tagged out as per company policy Co-operation between operators and mechanics is important

Site considerations prior to crane set up • • • • • •

The job requirements Operational priorities Workplace rules Procedures Identified hazards Hazard control measures Identify hazards in the work area before crane set up

• • • • • • • • • • • •

Power lines Trees Overhead service lines Bridges Surrounding structures Obstructions Facilities Other equipment Dangerous materials Underground services Soil conditions (value) eg; recently filled trenches Vehicle traffic 11

Self Test Q 1; What is the legislative reference document that covers safety in the workplace?

.

Q 2; What other reference material might you refer to for the safe operation of your crane?

Q 3; Describe two requirements of the legislative document you identified in question 1 that apply to truck loader cranes.

Q 4; Name the three hazard control measures found in the HSE Act.

Q 5; Why is it important to consult with relevant personnel on site before commencing work?

12

Q 6; What action would you take if you found any defective equipment?

.

Q 7; List three site considerations prior to crane set up, that will reduce potential risks.

Q 8; List 4 hazards you would need to take into account in your crane set up plan.

Q 9; List four methods of reducing hazards on site.

Q 10; Name and describe the functions of 3 critical components of either the crane or lifting equipment.

13

Trenching and excavation guidelines; stabilisers or tyres should not be set up closer than 1.5 times the depth of an excavation in sandy or gravel soils. For solid or compacted ground; distance B must be equal or greater than distance A.

Distance B

Distance Base edge

A

Regardless of distance there must be a 45 degree angle from stabilizer foot to base edge.

45 Degrees x

14

ELECTROCUTION HAZARD THIS CRANE IS NOT INSULATED

DEATH OR SERIOUS INJURY WILL RESULT FROM CONTACT OR INADEQUATE CLEARANCE

For all power lines of 50 kV or less, maintain a minimum distance of 4 metres. If line voltage is not known assume maximum voltage and maintain maximum clearance of 14 metres

This remote control does not provide any protection from

ELECTROCUTION HAZARD DEATH OR SERIOUS INJURY will result if the boom, load or load line should become electrically charged while you hold this control.

15

Stabilizers Stabilizers are to be locked in the retracted position during transit.

Prior to taking the boom out of the cradle stowed position, the stabilizers are to be properly deployed and locked. Stabilizers must be visible to the operator when extending and setting unless assisted by another person. Do not operate the stabilizer beam controls while the stabilizer legs are touching the ground. All steering and drive tyres must remain firmly on the ground when setting up stabilizers. Do not operate stabilizer controls while the boom is elevated.

OUT RIGGERS WILL CAUSE SERIOUS CRUSHING INJURY STAND CLEAR

16

Do not set stabilisers over underground hazards, cavities or drain covers

Max 5˚

On a sloping surface (no more than 5˚) set the stabilizers on the downwards side first to level the crane.

17

Packing/blocking must also be 3 times that of the feet

No!

No!

No!

No!

O.K.

O.K.

O.K.

O.K.

18

Q11; What should you do when working in low visibility?

Q 12; What is the minimum distance any part of the crane or load can be from A) Distribution lines B) High voltage lines

A B

Q 13; If you need to work closer to power lines, what should you do?

Q 14; In what position should the stabilizers be when in transit?

Q 15; Where should you be when operating the stabilizers?

19

Q 16; What should you check for when working on a site that has recently filled trenches?

Q 17; If the stabilizer footplates sink into the ground, what has the operator failed to do before commencing work?

Q 18; A stabilizer pad sinks into the ground when lifting a load, what immediate action should be taken?

Q 19; What procedures must be followed when setting up a crane on a sloping surface?

Q 20; When setting up in an area where the ground value cannot be identified – what precautions would you take?

20

General precautions for crane operation •

Operation of cranes varies by make and model. Become familiar with crane controls and load charts before attempting to operate it. Pay particular attention to the folding and unfolding process.

•

Do not operate crane unless there is sufficient light to see the boom tip and your load.

•

If the load or placement area is not visible from operator’s position, establish proper crane communication with a qualified signalperson.

•

Never perform a manoeuvre that causes the load to pass over the operator’s position or another person.

•

Establish a minimum 3.05m safe distance around the work zone by means of recognized safety identifiers such as cones, tape or barriers.

Minimum 3.05m

A MOVING BOOM WILL CAUSE DEATH OR SERIOUS INJURY Stand on the side opposite the boom when folding or stowing crane. Stay clear of the boom when operating or servicing the crane. 21

General precautions for crane operation • • • • •

Do not move the vehicle with the boom unstoward. Always operate the crane with smooth and gentle movements. Do not jerk the controls to full speed, doing so is a major cause of shock loading. To minimise load swing position the boom tip directly over the load’s centre of gravity prior to lifting. Avoid quick or jerky movements at full extension as they can cause undue stress and wear to the crane. Always lift the load clear of the ground ( resting surface) with boom lift or hoist before rotating the boom, extending or retracting the boom or moving the load in any manner.

Likely results of dragging a load Structural damage to boom Load could topple Stabilizers could lift

Load movement • • •

•

All loads shall be well secured and balanced before they are lifted more than a few inches Be sure the lift and swing path are clear of obstructions. Lift and move the load smoothly, always keeping the load as close to the ground as practical. Do not move the load or attachments in such a way that they can make contact with any portion of the crane.

22

Operator responsibilities • • •

Only one operator shall operate the crane at a time. Do not engage in distracting activities while operating the crane. do not operate the crane when physically or mentally unfit or under the influence of alcohol or drugs. Handling the load

• • •

Never load crane beyond the specifications of the load chart. Prior to the lift, calculate the load weight and range capacity, accounting for the full range of potential configurations during the entire lift. Do not handle loads with the outer boom or fly jib in a negative position. This will shock load the joints or blow a hydraulic hose.

Negative position

23

Working load limit (WLL), safe working load (SWL) If the crane does not have; or you can not locate the data rating information, what should you do? Do not operate the crane

SWL of the crane measured in metres above ground level.

Ground Level

24

SWL of the crane measured in metres of length

Current model

Before attempting a lift make sure you are familiar with the cranes SWL

6680kg without extensions 2510kg at 4.5m 1829kg at 6.1m 1360kg at 8.1m The heaviest load this crane can lift is 6680kg but only if the extensions are closed. The furthest this model extends id 8.1m as it has only 3 extensions.

25

Load placement • •

Do not rest loads on structures of unknown load bearing capacity. No one shall stand or pass under an elevated load. Leaving the crane unattended (when leaving the work zone)

• • • •

Land the load – do not leave it suspended. Lower the boom Disengage the main power source/power take-off (PTO) to prevent unauthorised use. Stop engine and secure the key. Power failure

• • •

In case of power failure, set all brakes and locking devices. Move all power controls to the off or neutral position. If load can be controlled, land the suspended load Ending operations

• • • • •

Prior to transit always fold or stow the crane boom as directed in the operator’s manual. Raise the stabiliser legs completely prior to retracting the stabiliser beams completely Ensure the stabiliser beam locks are engaged and working properly. Disengage the PTO, stow chocks and secure all loads and attachments on truck bed for travel. Perform final walk-around visual check to ensure the crane is ready for transit. In transit (loaded or unloaded)

• • • • •

The vehicle driver must know the total height, axle loadings and gross vehicle mass (including crane, ancillary equipment and load). Ensure bridge ratings are sufficient to handle the weight of the vehicle travelling across it. Travel only with the boom fully retracted and in a traveling (stowed) position. Disengage the main power source/power take-off (PTO) to prevent unauthorised use. Stop engine and secure the key. 26

Q 21; When operating a crane in a busy street, what hazards need to be considered?

Q 22; When the load is suspended what three checks need to be made?

Q 23; You experience a problem when conducting a trial lift. What should you do?

Q 24; Why is it important to have the lifting point positioned correctly over the load?

Q 25; What area should the packing/blocking cover when used under stabiliser feet?

27

Q 26; You start to operate a hydraulic control and one of the hoses starts to develop a bubble on the side. What should you do?

Q 27; Are you permitted to allow a person to ride upon the lifting hook, slings or suspended load?

Q 28; A severe electrical storm is approaching, what should you do?

Q 29; Are you permitted to exceed the safe working load at a given radius of the crane?

Q 30; State three reasons why you are not permitted to drag a load.

28

Q 31; When slewing a load operating at its maximum limits what precautions should you take?

Q 32; If the boom slewed suddenly what may occur?

Q 33; When should the load be assessed?

Q 34; Who should assess the load?

Q 35; If a signal is given that is unknown or incorrect what should you do?

29

Q 36; What is load swing and what effect does it have on the crane?

Q 37; On a vehicle where the crane is mounted behind the cab are you permitted to lift from in front of the vehicle and slew to the side?

Q 38; You have stopped operating the crane for some time due to heavy rain. What checks would you make before starting work again?

Q 39; Prior to transportation what must be done with all the lifting gear and attachments

Q 40; Can any loads remain suspended from the hook following shut down or when the crane is unattended?

30

Load Chart

A B C

D 30m

On chart A can you lift 1700kg t0 10m? On chart B can you lift 2470kg t0 7.9m? On chart C can you lift 620kg t0 18.5m? On chart D can you lift 1800kg t0 16.1m?

31

Maintenance and service • • • • •

Only authorised personnel shall perform maintenance functions on the crane; then only at the direction of supervisor. Disengage the PTO before any service repairs are performed. Do not disconnect any hydraulic hoses or components while there is pressure in the lines. Never tamper with hydraulic valve pressure settings. Before welding on the carrier truck always; Consult manufacturer or representative for authorisation. Ground the welder as near the welding site as possible. Disconnect all connections to the crane’s remote control power box. Disconnect the truck batteries.

Load hook inspections

•

•

Inspections and record-keeping requirements for hooks are determined by the kind of equipment the hooks are used on. When the inspection requirements for hooks are specified in regulations applicable to your equipment those regulations will take precedence over the information presented here. Prior to initial use, inspect all new and repaired hooks to ensure compliance with items listed in the hook inspection checklist.

32

Load Hooks

Eye hook

Shank hook

Clevis hook

Swivel hook

Eye

Swivel grease zerk Throat opening

Latch

Point

Heel

Base (bowl-saddle) Latches

• • •

• •

Use a hook equipped with a latch at all times, except when a latch proves impractical or poses a danger in a particular application. The latch is used to retain such items as slings and chains under slack conditions. Hook latches for loose sling retention are not anti-fouling devices. They must never be allowed to support any portion of the load. Hook latches must be inspected for damage just as the hook must be inspected. Ensure the latch is in place and properly centred on the hook. Hook latches should never be crowded by oversized rope or stiff riggings. Make certain the load is properly seated on the “bowl-saddle” before a lift is attempted. 33

Lift equipment & attachments are checked for serviceability Scrap Grab: Designed for scrap metal, such as car bodies. Attachment must be secure, and No obvious signs of hydraulic oil leaks Wire slings: Used for loads that require long and large capacity slings. Sheaves: Lead the rope over the head of cranes and hoists and are used in pulley systems. Must not be fouled in any way, and Allow free movement of wire rope The factor of safety is the ratio between the minimum breaking load and the safe working load(SWL). Chain Slings: Designed for general use on all types of loads. Factor of safety 4 To 1 Links should not be damaged or stretched. Must be certified with a metal tag. Synthetic Sling / Nylon Sling: Used for loads that require flexibility and resistance to abrasion and cutting. Factor of safety 6 to 1 Must not be frayed along the edges, or Ripped, cut or knotted. No excessive wear or chemical stained Flexible steel wire rope slings are flexible and resist damage and kinking. Factor of safety 5 to 1 Brick Forks: Used for lifting palletised loads. These must be certified, and Have no damage to the lifting eye’s.

34

Rigging general precautions • • • • • • • •

Only the crane operator or other qualified persons shall attach a load to a crane’s hook. Never exceed the Safe Working Load or Working Load Limit of each piece of rigging. All SWL’s or WLL’s are rated for a straight vertical lift. Visually inspect rigging before each use. Remove from service any items meeting rejection criteria. Avoid shock loading. Do not allow any body parts to get in between the sling and the load. Personnel shall not ride the sling. When multiple slings are used they should be attached to the bow of the shackle and the hook to the shackle pin. Do not pull sling(s) from under a load when the load is resting on the sling(s).

•

The centre of gravity is the central point at which the load weight would be evenly distributed to any side; this is also referred to as the balance point.

•

Determine a loads' approximate centre of gravity before hoisting. The load must be rigged over the centre of gravity (placing it directly below the load hook) or the load will shift when hoisted. If the load has uneven weight distribution place the rigging over where you think the C of G is and do a test lift. Adjust as necessary.

• •

35

Basic hitches Vertical or straight attachment is simply connecting a sling from a lifting hook to the load. Full rated load of the sling may be used, but never exceeded. A tag line should be used on such a lift to prevent rotation which can damage sling.

Choker hitches reduce lifting capability of a vertical sling because this method of rigging affects the ability of the sling components to adjust during the lift, placing angular loading on the body of the sling and creating a small diameter bend in the sling body at the choke point. Provides excellent grip and control.

Basket hitches distribute a load equally between the two legs of the sling and capacity is based on the angles at which the legs are rigged to the load. When using a basket hitch, balance the load to prevent slippage.

Bridle hitches are defined as two or more slings working together and attached to the same collection point. They can be attached to the hoisting hook by means of a master link or shackle.

36

Q 41; Label parts of the latch indicated by arrows.

37

;Q 42; Who is responsible for checking all lifting gear, such as chains and slings?

;

Q 43; What post operational checks need to be carried out?

Q 44; When must you use a hook with a latch?

Q 45; Who can attach a load to a cranes hook?

Q 46; If the load has an uneven weight distribution, how would you check the load has been slung correctly?

38

;Q 47; How do you prevent rotation when a vertical or straight attachment is used?

;

Q 48; How should multiple slings be used?

Q 49; Why does the chocker hitch reduce lifting capability?

Q 50; When using a basket hitch what must you do to prevent slippage?

Q 51; What is a bridle hitch?

39

Q 1; Health and Safety in Employment Act 1992 Q 2; ACOP for cranes, ACOP for load lift rigging, crane safety manual, manufacturers instructions Q 3; You must be trained and supervised to carry out your work. You are responsible for your safety whilst at work. Q 4; Eliminate, isolate and minimise Q 5; To make sure you know about relevant work site rules. Q 6; Do not use, tag and report. Q 7;Hazard control measures; Workplace rules; Identified hazards; Procedures Q 8; Power lines; Trees; Structures and obstructions; Ground value Bridges Q 9;Use PPE; Warning signs; Barriers; Traffic control; Lighting Q 10; Answer found in components and their functions Q11; Use lighting plant or a qualified person to communicate load position. Q12; A – 4 metres. B – 14 metres Q 13; Get approval from the relevant authority. Q 14; Locked in the transit position. Q 15; Where you can see them. Q 16; That any trenches have been firmly packed down and that you have enough packing. Q 17; Failed to identify unstable soil or not enough packing under stabilizers. Q 18; Lower the load and assess the situation. Q 19; Set stabilizers on the down side first to balance the crane. Q 20; Check for subsidence first, constantly check footing and use sufficient packing Q 21; Correct packing on bitumen surfaces, pedestrian safety, protection from moving traffic, watch clearances. 40

Q 22; The load is correctly slung, crane is functioning correctly, stabilizer footing secure. Q 23; Lower the load and take necessary corrective action. Q 24; To reduce risk of over loading or collapsing the crane. Q 25; 3 times greater than feet Q 26; Lower the load, stop work, tag and report defect. Q 27; No Q 28; Lower the load, stop work, pack up crane if required. Q 29; No

Q 30; Could cause structural damage, load could swing, load could topple. Q 31; Avoid jerky movements. Q 32; Damage to boom, load could swing, load could topple, destabilise the truck. Q 33; Prior to lifting. Q 34; Crane operator Q 35; Stop and clarify signal Q 36; When the crane slews suddenly, it can cause loading on the boom and may cause truck to tip Q 37; Only in accordance with load chart Q 38; Re-check ground value, where necessary move crane to stable ground.

Q 39; Equipment must be stowed, attachments removed from boom and secured Q 40; No.

Load Chart: No, Yes, Yes, No 41

Q 41; As per labelled diagram on page 33 Q 42; Crane operator Q 43; Check packing, hydraulic lines, boom correctly stowed, boom for damage, hinge points, base plate to stabilizers Q 44; At all times Q 45; Only crane operator or other qualified persons. Q 46; Do a test lift to assess balance. Q 47; Use a tag line. Q 48; Attaching them to the bow of the shackle and the hook to the shackle pin Q 49; Affects ability of sling components to adjust during the lift which places angular loading on the body of the sling. Q 50; Balance the load. Q 51; Two or more slings working together and attached to the same collection point.

42

Riggers Capacity Calculations Determining Sling Loading Using the Included Angle Sling Angle Degrees

Steps 1. 2. 3.

Determine included sling angle Select corresponding Load Angle Factor Multiply weight of the load by Sling Angle Factor to get load on each sling

Example Below 1. 2. 3.

Sling Angle = 90% Load Angle Factor = 0.71 2000kg x 0.71 = 1,420kg per Sling Leg

Load Angle Factor %

170

5.75

160

2.88

150

1.93

140

1.47

130

1.19

120

1.00

110

0.88

100

0.78

90

0.71

80

0.66

70

0.61

60

0.58

50

0.56

40

0.54

30

0.52

20

0.51

10

0.51

0

0.50

90%

2000kg

43

Calculating Weight of Loads Description

Calculation

Cube

Length x width x height x unit weight

Uneven cube

Length x width x height x unit weight of each individual cube then add together

Cylinders (solid)

3.14 x Diameter sq. over 4 x length x unit weight

Cylinders (hollow) thin

3.14 x Diameter x length x thickness x unit weight

Cylinders (hollow) thick

Calculate as solid, calculate volume of hole. Subtract hole from solid x unit weight

Round plates

3.14 x Diameter sq. over 4 x thickness x unit weight

Wedge

Length x width over 2 x height x unit weight

Pyramid (solid)

Length x width x (height over 3) x unit weight

Pyramid (hollow)

Internal height x internal length x external height x external width x thickness x unit weight

Pyramid (hollow) no top

(Total volume of side plates x unit weight) width top + Width bottom over 2 x height x thickness x unit weight

Cone (solid)

3.14 x Diameter sq. over 4 x height over 3 x unit weight

Cone (hollow)

Length of side x thickness x unit weight

Cone (hollow) no top

3.14 x diameter + bottom diameter over 2 x length of side x thickness x unit weight

Ball (solid)

3.14 x diameter cubed over 6 x unit weight

Ball (hollow)

3.14 diameter sq. x thickness of wall x unit weight

Tubular tanks

Calculate volume of ends. Calculate volume of centre cylinder. Add together x unit weight

Structural shapes

Calculate the weights of each part and add together

44

Chain Single 90% Size mm To horizontal

Single Reeved

Straight

Two Leg Reeved

Three and Four Leg Straight Reeved

6.0

1.1

0.9

1.6

1.3

2.4

1.9

7.0

1.5

1.2

2.1

1.5

3.2

2.6

8.0

2.0

1.6

2.8

2.2

4.2

3.4

10.0

3.2

2.6

4.3

3.6

6.7

5.4

13.0

5.3

4.3

7.5

6.0

11.3

9.0

16.0

8.0

6.4

11.2

9.0

16.8

13.4

19.0

11.2

9.2

16.0

12.9

23.6

19.3

20.0

12.5

10.2

17.0

14.3

26.8

21.5

22.0

15.0

12.6

22.1

17.7

31.5

26.6

23.0

16.0

13.5

23.6

19.0

35.5

28.4

25.4

20.6

16.5

28.8

23.0

43.3

34.6

26.0

21.2

17.3

30.0

24.2

45.0

36.3

32.0

31.5

25.8

45.0

36.0

67.0

54.1

Note: This is a guide only. Check construction and rating of the sling for accurate capacity Rope Diameter

Single 90% To horizontal

Single reeved

Straight

Two leg Round reeved

Three and Four leg Square Reeved Round Basket

7.0

1.04

0.52

1.40

1.30

0.80

2.80

11.0

1.50

0.75

2.10

2.00

1.30

4.20

13.0

2.20

1.10

3.00

2.80

1.80

6.00

16.0

3.30

1.60

4.60

4.20

2.80

9.20

18.0

4.10

2.00

5.80

5.40

3.50

11.60

20.0

5.10

2.60

7.20

6.70

4.40

14.40

22.0

6.20

3.10

8.70

8.10

5.40

17.40

24.0

7.30

3.70

10.50

9.60

6.40

21.00

26.0

8.70

4.30

12.30

11.30

7.50

24.60

28.0

10.00

5.00

14.20

13.00

8.70

28.40

32.0

13.10

6.50

18.60

17.00

11.40

37.20

36.0

16.60

8.30

23.50

21.60

14.40

47.00

40.0

20.50

10.30

29.10

26.70

17.80

58.20

45

Nominal Safe load shackle size Limit (bow Diam) (tonnes)

Nominal Shackle size (bow diam)

Safe load Limit (tonnes)

Shank size (mm)

90% to horizontal

45% to horizontal

High tensile steel only

6

0.5

28

9.5

M12

0.40

0.08

8

0.75

32

12

M16

0.80

0.16

10

1

35

13.5

M20

1.60

0.32

11

1.5

38

17

M24

2.5

0.50

13

2

45

25

M30

4.00

0.80

16

3.25

50

35

M36

6.3

1.26

19

4.75

65

55

M42

8.00

1.60

22

6.5

75

85

M48

10.0

2.00

25

8.5

89

120

M56

16.0

3.20

Note: * from Europe, grey is rated 4 Tonnes and orange is rated 12 Tonnes for vertical lifts Polyester web and rope slings SWL Kilograms

Vertical

Choke

Note: Number of stitch lines = capacity in tonnes Parallel basket

Basket 30%

Basket 60%

Basket 90%

500

500

400

1,000

950

850

700

1,000

1,000

800

2,000

1,900

1,700

2,800

2,000

2,000

1,600

4,000

3,800

3,400

4,200

3,000

3,000

2,400

6,000

5,700

5,100

4,200

*4,000

4,000

3,200

8,000

7,600

6,800

5,600

5,000

5,000

4,000

10,000

9,500

8,500

7,000

6,000

6,000

4,800

12,000

11,400

10,200

8,400

8,000

8,000

6,400

16,000

15,200

13,600

11,200

10,000

10,000

8,000

20,000

19,000

17,000

14,000

12,000

12,000

9,600

24,000

22,800

20,400

16,800 46

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