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Inspection of Clamp’s Body

A. Inspect the throat width of the clamp (Fig. 72).

The width at the base should be the same as

at the top.

B. Inspect the weld and external surfaces for

fractures, wear or distortion.

C. Inspect the body rivets for worn heads.

Inspection of Springs

A. Inspect spring for distortion.

B. Inspect spring for fractures.

C. Inspect spring for sufficient tension. To do so, when the clamp is fully assembled

and in the locked position, the spring should be strong enough to hold the cam

against the pad.

Inspection of Cam Screws (on SAC clamps)

A. Inspect the screw for distortion, worn or damaged threads.

B. The ball head where the cam mounts should be free of foreign matter, allowing the

free rotation of the cam.

WARNING!: Clamps with elongated or fractured springs must be replaced.

WARNING!: Clamps with distorted throat openings,

worn body rivets, fractured welds/external surfaces,

must be replaced and must not be repaired.

WARNING!: Screws with damaged or worn threads, or with distortion, must

be replaced.

Figure 72

NORMAL

DAMAGED

Содержание GXL

Страница 1: ......

Страница 2: ...r to selection operation and or maintenance of Campbell Clamps read and understand the information provided in this manual The understanding and use of Definitions are important in determining the lim...

Страница 3: ...nance instructions for all our lifting clamps The Operator s Manual is supplied with the purchase of a new clamp and covers the specific model of clamp Campbell lifting clamps like many other products...

Страница 4: ...f wide flange beams and shape steel Model GX Structural 10 Model GXL 14 Horizontal lifting and positioning of steel plates Model H 27 Vertical lifting and turning of hard or polished plates Model GXRP...

Страница 5: ...ate The clamps are attached to a multi leg sling or spreader bar centered over the plate Fig 3 FINISHED OR POLISHED PLATES Steel plates such as stainless steel which have other than hot rolled surface...

Страница 6: ...designed for operation only in temperatures ranging from 0 to 200 degrees Fahrenheit This range applies to both ambient and material temperatures LEVER OPEN LEVER CLOSED This feature makes it easier t...

Страница 7: ...tor should never lift over people or machinery Fig 14 If you are not sure contact a Campbell representa tive for proper use of our products 2 DO NOT lift a plate which cannot be inserted all the way i...

Страница 8: ...one plate at a time Fig 10 except with horizontal clamps 11 DO NOT lift tapered beams or members other than ordi nary structural steel 12 DO use as many clamps as necessary to balance the load Fig 11...

Страница 9: ...with the clamp in the lever closed lock closed position 21 DO NOT remove a clamp or disengage the cam until the plate or member is fully supported and at rest 22 DO NOT alter a clamp Use only the man...

Страница 10: ...ame time as the cam In addition due to their forged components GX clamps have one of the lowest weight to Working Load Limit ratio of any clamps sold in the world This means they are easy to use and l...

Страница 11: ...Step 3 Inspect the clamp before each lift Fig 18 A Inspect the cam and pad for wear and defects Gripping surfaces must be free off foreign matter If either the cam or pad are worn or defective replac...

Страница 12: ...ss or equal to 20 degrees C The Working Load Limit of any multiple sling assembly or spreader bar assembly must not be more than the combined Working Load Limit of two clamps no matter how many clamps...

Страница 13: ...p 8 After the plate is in place and at rest the GX clamp can be removed by retracting the cam away from the plate To do this press down on the lifting shackle while at the same time lifting the clamp...

Страница 14: ...t exclusive feature of the GXL clamp is its wear indicator system When any of the cam s teeth are flattened chipped or dulled between the unique wear indicator grooves Fig 22 it s time to change the c...

Страница 15: ...rn or defective replace the cam and pad at the same time B Inspect the shackle and visible linkage for elongation distortion wear or damage C Inspect the clamp body for wear damage or distortion D Do...

Страница 16: ...g or spreader bar is required A All clamps used in a multiple sling or spreader bar assembly must be rated at the same capacity B The lifting angle Fig 25 between the sling legs on opposite sides of t...

Страница 17: ...er open position and the short leg under the plate Fig 27 Occasionally a cam may jam against a pad To release either tap the heel of the shackle or grasp clamp by the shackle and tap bottom of clamp s...

Страница 18: ...clamp from the plate If the cam is difficult to retract a slight tap on the heel of the shackle or the clamp s body should release it Step 9 Campbell recommends inspection of each lifting clamp befor...

Страница 19: ...of this manual to be sure the lift to be made is appropriate for the size and style of clamp Know the type of material to be moved before making a lift Some exotic steels are too hard to allow the tee...

Страница 20: ...ance the load When the size or shape of a plate or fabricated section is too large for one clamp to properly balance the load the use of a multiple sling or spreader bar is required Fig 32 A All clamp...

Страница 21: ...ith the torque limiting handle provided SAC 1 SAC 3 SAC 6 HORIZONTAL LIFT A Place the pad leg under the plate B Lift the clamp slightly so that the pad on the swiveling jaw contacts the plate C Turn t...

Страница 22: ...sening the screw Step 9 Campbell recommends inspection of each lifting clamp before and after each lift Refer to the Maintenance and Inspection section of this manual for detailed instructions WARNING...

Страница 23: ...1 Before using any Campbell clamp refer to the Application section at the beginning of this manual to be sure the lift to be made is appropriate for the size and style of clamp Know the type of mater...

Страница 24: ...rmine if more than one sling is required to balance the load When the size or shape of a plate or fabricated section is too large for a pair of clamps to properly balance the load the use of a multipl...

Страница 25: ...ody until pad touches plate at the same time push clamp body so back of throat touches end of plate VERTICAL A Pull tension arm down to retract cam and lower clamp onto plate to the full depth of the...

Страница 26: ...amp body Step 9 Campbell recommends inspection of each lifting clamp before and after each lift Refer to the Maintenance and Inspection section of this manual for detailed instructions 26 WARNING Do n...

Страница 27: ...e size and style of clamp Know the type of material to be moved before making a lift Do not lift plate or plates if they will buckle under load Some exotic steels are too hard to allow the teeth of th...

Страница 28: ...the size or shape of a plate or fabricated section is too large for a pair of clamps to properly balance the load the use of a multiple sling or spreader bar is required Fig 49 A All clamps utilized...

Страница 29: ...Release the back side of the cam so the cam engages the plate Step 7 Lift slowly and smoothly The operator should stand clear of the load and never lift over people or machinery WARNING Do not side lo...

Страница 30: ...do so press down on the cam while at the same time slide the clamp away from the plate Step 9 Campbell recommends inspection of each lifting clamp before and after each lift Refer to the Maintenance...

Страница 31: ...recommended to use these clamps in pairs and with a spreader bar OPERATION Step 1 Before using any Campbell clamp refer to the Applications section at the beginning of this manual to be sure the lift...

Страница 32: ...ad Fig 47 When the size or shape of a plate or fabricated section is too large for a pair of clamps to properly balance the load the use of a multiple sling or spreader bar is required A All clamps ut...

Страница 33: ...ear of the load and never lift over people or machinery Step 8 After the plate is fully supported and at rest the GXRPC clamp can be removed by retracting the cam away from the plate To do so press do...

Страница 34: ...slight tap on the base of the shackle or the clamp s body should release it Step 9 Campbell recommends inspection of each lifting clamp before and after each lift Refer to the Maintenance and Inspect...

Страница 35: ...clamp to balance load A trial tensioning of load will usually indicate proper balance Fig 52 WARNING Do not exceed Working Load Limit of 500 lb 225 kg WARNING Inspect clamp If cam teeth are worn or if...

Страница 36: ...ear and should be carefully inspected to assure safe operation Fig 57 The amount of wear occurs in direct relation to use Since this cam is for lifting drums only wear will occur in one area of the ca...

Страница 37: ...ell Twin Drum Lifter No 252 Fork Truck Drum Lifter No 260 or Chain Sling For Drums No 13 After the drum is at full rest and there is no load on the clamp the clamp is removed by simply pressing down o...

Страница 38: ...r this application For instructions on the use of each of the Twin Drum Lifter clamps see Single Drum Lifter No 52 Figure 63 WARNING All personnel must stand clear of load while it is being lifted or...

Страница 39: ...jects is 3 tons The Fork Truck Drum Lifter can also be suspended from a crane by the shackle and used to lift single drums Working Load Limit of the Fork Truck Drum Lifter when using clamps to lift on...

Страница 40: ...Keep written records of the date of inspec tion the condition of the clamp and repairs made Fig 67 Inspection records should be reviewed regularly VISUAL INSPECTION Perform visual inspection of each...

Страница 41: ...Serration must be free of foreign matter Inspection of Shackle A Inspect the shackle for bending at the rivet section which is an indication of side pull Fig 71 B Inspect the shackle eye for elongatio...

Страница 42: ...nd in the locked position the spring should be strong enough to hold the cam against the pad Inspection of Cam Screws on SAC clamps A Inspect the screw for distortion worn or damaged threads B The bal...

Страница 43: ...cted carefully Fig 74 To do this use a Campbell wear gauge Inspect chains link by link checking for distorted stretched or cracked links nicks or gouges pitted links and excessive wear of bearing surf...

Страница 44: ...e A Sparks Maryland 21152 www apextoolgroup com ATG 1163 12 12 ITEM NO T550860 2012 Apex Tool Group LLC CAMPBELL is a registered trademark of Apex Brands Inc a Division of Apex Tool Group LLC Specific...

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