background image

Choose the Right

Chain Block for the Job

Choose a Chain Block with the capacity for the 
job. Know the capacities of your loads, then match 
them. The application, the size and type of load, the 
attachments to be used and the period of use must 
also be taken into consideration in selecting the right 
Chain Block for the job. Remember the Chain Block was 
designed to ease our burden, and carelessness not only 
endangers the operator, but in many cases, a valuable 
load.

Inspect

All Chain Blocks should be visually inspected before 
use, in addition to regular periodic maintenance 
inspections. Inspect Chain block for operation warning 
notices and legibility. Deficiencies should be noted
and brought to the attention of supervisors. Be sure 
defective Chain Blocks are tagged and taken out of 
service until repairs are made. Under no circumstances 
should you operate a malfunctioning Chain Block. 
Check for gouged, twisted, distorted links and foreign 
material. Do not operate Chain Blocks with twisted, 
kinked or damaged chain links. Load chain should be 
properly lubricated. Hooks that are bent, worn or have 
openings which are enlarged beyond normal throat 
opening should not be used. If latch does not engage 
in throat opening of hook, the Chain Block should be 
taken out of service. Chains should be checked for 
deposits of foreign material, which may be carried into 
the Chain Block mechanism. Check brake for evidence 
of slippage under load.Each GT Viper Chain Block is 
built in accordance with the specifications contained 
herein and at time of manufacture was tested to our 
interpretation of applicable sections of the European 
standard BS EN 13157. 

Consult your local GT branch for any usage of GT Viper 
Chain Blocks that does not involve working in a direct 
line of pull.
As side loading can damage chain or roller guides and 
could result in injury and/or property damage. Using 
Chain Blocks inverted is outside the design parameters 
and should not be done.

Do’s & Do Not’s

Safe Operation of Chain Blocks

The following are Do’s and Do Not’s for safe operation 
of overhead Chain Blocks. Taking precedence over any 
specific rule listed here, however, is the most important 
rule of all, Use Common Sense. A few minutes spent 
reading these rules can make an operator aware of 
dangerous practices to avoid and precautions to take 
for his/her own safety and the safety of others. Frequent 
examination and periodic inspections of the equipment 
as well as a conscientious observance of safety rules 
may save lives as well as time and money.

4

This symbol points out important 
safety instructions which if not 
followed could endanger the 
personal safety and/or property 
of yourself and others. Read 
and follow all instructions in this 
manual and any provided with the 
equipment before attempting to 
operate your GT Viper Chain Block.

Safety Precautions

HOISTS

A5 Viper Chain Block Manual V2.indd   4

04/03/2014   07:33

Содержание Viper 0.5t

Страница 1: ...g Instructions Safety Manual Chain Block Manual Rated Capacities 0 5 through to 30 tonnes HOISTS www gtlifting co uk Head Office Units 13 14 Brickyard Road Aldridge West Midlands WS9 8SR UK T 44 0 1922 457916 F 44 0 1922 743664 E office gtlifting co uk A5 Viper Chain Block Manual V2 indd 1 04 03 2014 07 33 ...

Страница 2: ...ly hazardous situation that if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices Every year many accidents occur which could have been avoided by a few seconds of thought and a more careful approach to handling equipment You the operator can avoid many accidents by observing the following precautions in this manual To avoid personal injury stu...

Страница 3: ...e defined as the process of lifting and moving heavy loads using hoists and other mechanical equipment Skill acquired through specialised experience and study is essential to safe rigging operations Unpacking After opening the carton the Chain Block should be carefully inspected for damage which may have occurred during shipment or handling Check the Chain Block frame for dents or cracks and inspe...

Страница 4: ...ied into the Chain Block mechanism Check brake for evidence of slippage under load Each GT Viper Chain Block is built in accordance with the specifications contained herein and at time of manufacture was tested to our interpretation of applicable sections of the European standard BS EN 13157 Consult your local GT branch for any usage of GT Viper Chain Blocks that does not involve working in a dire...

Страница 5: ... NOT lift more than rated load 18 DO NOT use damaged Chain Block or Chain Block that is not working correctly 19 DO NOT use the Chain Block with twisted kinked damaged or worn chain 20 DO NOT lift a load unless chain is properly seated in chain wheel s 21 DO NOT use load chain as a sling or wrap chain around load 22 DO NOT lift a load if any binding prevents equal loading on all supporting chains ...

Страница 6: ...Chain Block DO NOT heat treat and DO NOT weld any part of the Chain Block especially the load chain DO NOT attempt to lift load beyond the rated capacity DO NOT hold the load chain in a loaded state while operating the Chain Block as serious injury may occur if the brake did not operate properly Important Safety Warnings HOISTS A5 Viper Chain Block Manual V2 indd 6 04 03 2014 07 33 ...

Страница 7: ... into the frame of the block DO NOT shock load Chain Block chain or hook DO NOT operate the Chain Block unless it is rigged to pull in a straight line from hook to hook and the frame is allowed to freely swivel on the upper hook Important Safety Warnings HOISTS A5 Viper Chain Block Manual V2 indd 7 04 03 2014 07 33 ...

Страница 8: ...immediate failure of some load carrying parts or result in damage causing failure at less than the rated capacity Exceeding the rated capacity of the Chain Block may cause load to fall To Avoid Injury Do not exceed the hand chain pulls specified in safety procedure 4 5 Do not wrap load chain around the load or bring the load in contact with the Chain Block Doing this will result in the loss of the...

Страница 9: ... unit to perform the periodic inspections The periodic inspections are to include those items listed under frequent inspections as well as the following a Chain for excessive wear or stretch b Worn cracked or distorted parts such as hook blocks chain guide stripper loose end pin shafts gears hook collar and bearings c Inspect for wear on the tip of the pawl teeth of the ratchet and pockets of the ...

Страница 10: ...e returning chain to service or after replacing a load chain lubricate liberally with chain oil or equal lubricant Remove excess lubricant from the chain by wiping with a cloth Hand Chain Hand Chain should be cleaned inspected and gauged in the same manner as load chain As received from the factory the hand chain may contain an unwelded link This link can be placed in a vice and twisted open to fa...

Страница 11: ...s have a durable scratch resistant finish Normally the exterior surfaces can be cleaned by wiping with a cloth Preventative Maintenance In addition to the periodic inspection procedure a preventative maintenance program should be established to prolong the useful life of the Chain Block and maintain its dependability and continued safe use The program should include the periodic inspections with p...

Страница 12: ...olts and nuts visual All fasteners should be tight Safety catch visual Should close properly Chain visual Should be properly lubricated and free from bends nicks or stretch rust and dust Chain guide rollers visual Should rotate freely and keep chain in the pockets of the chain wheel s Functions Lifting and Lowering Lift and lower Hoist should operate smoothly and easily a light load Pawl should cl...

Страница 13: ...d capacity only Return to supplier for repair and testing Return to supplier for repair and testing Load is not being pulled in a vertical direction Pull is at an angle greater than 60 Swivel Hook has ceased operating Block is dirty or hampered with foreign matter Fall of chain is tangled Block is overloaded Brake mechanism has jammed Wear and tear Poor maintenance and inspection Poor storage and ...

Страница 14: ...n Diameter mm 5 6 7 1 8 10 7 1 9 10 10 10 A 126 5 143 148 152 181 156 181 181 192 330 B 136 156 182 198 266 214 266 365 630 670 Dimensions mm C 266 324 392 407 621 465 636 798 890 1000 D 36 40 52 52 60 60 68 85 106 106 K 25 5 28 38 38 42 42 50 57 84 84 Net Weight kg 7 10 5 17 18 42 21 42 72 6 162 228 Extra Weight per metre of extra lift1 5 1 8 2 1 2 3 3 3 1 4 6 9 8 19 6 28 3 GT Viper Chain Blocks ...

Страница 15: ...15 Spare Parts Diagram HOISTS A5 Viper Chain Block Manual V2 indd 15 04 03 2014 07 33 ...

Страница 16: ...5t 36 Top Hook Assembly 10t 37 Top Hook Assembly 20t Fig No Description 1 Lock Nut 2 Name Plate 3 Retainer 4 Bearing for Splined Gear 5 Gear Cover 6 2nd Gear 7 3rd Gear 8 1st Gear 9 Load Sprocket 10 Pinion Shaft 11 Gear Side Plate 12 Support Pin 13 End Anchor 14 Chain Guide 15 Chain Stripper 16 Chain Stripper Pin 17 Hand Chain Side Plate 18 Hook Pin 19 Top Hook Assembly 20 Pawl Pin 21 Pawl Spring ...

Отзывы: