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2-point Lifting Balance
(Lifting Clamp for Housing)
PSB508 ・ 610 ・ 620
Operation Manual
This operation manual explains the basic
operation and handling of the clamps.
Please read this manual carefully before
use and observe the precautions for safe
operation.
SUPER TOOL CO., LTD.
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Summary of Contents for Super PSB508
- Page 1 2-point Lifting Balance (Lifting Clamp for Housing) PSB508 ・ 610 ・ 620 Operation Manual This operation manual explains the basic operation and handling of the clamps. Please read this manual carefully before use and observe the precautions for safe operation.
- Page 3 brand lifting clamps are energy-saving lifting equipment which have been developed for the purpose of transporting steel materials. Proper use Operate lifting clamps after carefully reading and understanding this instruction manual for enhancing efficiency and safety of operation. Prime efficiency and economy Advanced functions, reasonableness and versatile applications of finely and carefully designed lifting clamps ensure...
- Page 4 Precautions for safety operation (Pages 1〜10 are common to all lifting clamp models) Be sure to read this instruction manual carefully before use. Mistaken use of lifting clamp may cause a danger such as dropping of load. Education of “crane safety regulations,” “operation manual for lifting clamp,”...
- Page 5 1. Handling in general WARNING ● Do not operate until the contents of the operation manual, and caution tag/plate are thoroughly read and understood. ● Do not operate without a legal qualification. ● Be sure to clear of the area of the operation for lifting or turning a load against possible drop off or fall over.
- Page 6 3. Lifting operation WARNING ● Do not use clamp, lifting at one point. (excluding special or custom ordered products) ● Do not use the clamp in the following ways of lifting: lifting of two or more individual objects at one time. (overlapped loads, padded load etc.
- Page 7 ● Stop the lifting operation by crane for a moment when the load is applied to the lifting ring for safety checking. (depth of the load into the clamp opening; status of locking). ● Stop the operation of the crane just before the load reaches the ground, and check the following matters: (Inclination or Instructed falling over of the load and security around the landing area...
- Page 8 General warning for use ■ (common to all lifting clamp models) Be sure to select proper model clamps for use. Pay special attentions to keep the lifting direction (rope angle). Confirm the weight of the load. Do not exceed maximum capacity (designated ton) on clamps.
- Page 9 Never lift two or more steel plates or steel members at a time. The load may move to an unexpected direction when lifted off the ground and as such confirm the center of gravity and the clamping posi- tion for safety when raising. Sufficient caution should be taken until the clamp with the load becomes completely balanced.
- Page 10 ■ Maintenance and Inspection 1. Maintenance Daily maintenance is important for efficient and safe operation even under the severe use condition and for such purposes, please comply with the followings. (1) Designate the use standards and control. (2) Keep clamps indoor and do not leave them outdoor. (3) Check the followings to maintain in a good condition.
- Page 11 (2) Standards on periodic inspection (A) Establishing dates of periodic inspection. (B) Establishing inspection and maintenance methods. (a) Inspecting period. (b) Person in charge of the inspection. (c) Inspection site. (d) Tools and devices for inspection. (e) Establishment of permissible limit of use. ( f ) Explicit designation of maintenance and repair methods.
- Page 12 Lifting angle and rated load of wire rope The maximum rated capacity of wire ropes also differs according to the lifting angle. Therefore, after paying attention to the lifting angle, always use wire ropes with the appropriate diameter. Correlation table between the lifting angle and the applicable load for wire rope (for 2-point lifting) ■ ■ JIS G 3525 6×24 A type W rated load (for 1 single rope) D wire rope diameter Safety factor Ｓ ＝6 (Change in % of the lifting capacity rate according to the lifting angle) 100% Maximum allowable load (rated load) for 2 wire ropes (ton) （mm） （ton） 6 0.30 0.60 0.57 0.51 8 0.53 1.07 1.03 0.92 ...
- Page 13 2-point Lifting Balance (Lifting Clamp for Housing) PSB508 ・ 610 ・ 620 Operation Manual and Inspection Standards...
- Page 15 2-point Lifting Balance (Lifting Clamp for Housing) PSB508 ・ 610 ・ 620 ■Uses This balance is useful for lifting, moving, and installing panels and beams for housing.(Please use with lifting clamps.) Item No. Uses Balances used for panel and beam lifting for housing.
- Page 16 Replacement Parts and Main Dimensions φ75×19 ( Inside diameter × Thickness ) （mm） Part No. Part Name Q'ty Ring 1set Wire Rope Balance Shackle (SC10) Shackle (BC10) Sling Belt ■Main Dimensions Item No. A□ PSB508 2,000 1,000 40×20 PSB610 1,960 1,000 1,000 40×20 PSB620 2,500 2,000 1.600 1,000 50×30...
- Page 17 ■ How to use Attach the lifting clamps to the shackles (2 points) at the end of the sling belt under the balance. After mounting, be sure to install the split pin to prevent the bolts from coming off. Warning: Be sure to use the same model and size for both sides of the lifting clamps.
- Page 18 ◆ The clamping position of the lifting clamp should be vertical to the balance. More than15° More than15° ◆ Do not give any impact to the lifting load or the lifting clamp. ◆ Do not move or stop the load suddenly. ◆...
- Page 19 ■ Inspection of Balance 1. How to Inspect Please inspect the following items to ensure that they are normal. Check the working condition. 1） 2） Check for deformation or distortion of the main body. Check the condition of bolts, pins, shackles, wire ropes, and sling 3）...
- Page 20 ■ INSPECTION STANDARD FOR BALANCE ( PSB508, 610, 620 ) Item Inspection method Limit of use Main causes Remedy ( Wire Rope ) Visually check to find When found visually. Impossible lifting deformation. angle Measure to find wear of When the degree of wear Sudden shock load wire diameter.
- Page 21 Item Inspection method Limit of use Main causes Remedy Visually check or When the stitching is too Impossible lifting measure to find wear. fluffed to recognize the angle stitching or when the warp Sudden shock load threads are damaged. Overload Visually check or When a scratch equivalent Natural wear...
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