Calibration, Removal from service criteria, How to test the calibration – Rice Lake Intercomp CS 200 - Users Manual User Manual

Page 9

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CS200, Users

August, 2009

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3. Inspect for excessive wear of linkages and other mechanical parts.
4. Inspect for excessive wear at hoist hooking points and load support clevices or

pins.

5. Inspect for any visible bends or twists of all used rigging devices.
6. Inspect all latches and locks for proper operation (if applicable)

Removal from Service Criteria

Note: Replacement parts of any device or parts of any device used in any aspect of
rigging to lift a load shall be at least equal to the original manufacture’s specifications

Hooks
Hooks shall be removed from service if damage such as the following is found and shall
only be returned to service if a qualified person approves their continued use and
initiates corrective action.

1. Hooks show cracks, nicks, or gouges.
2. Hook has wear exceeding 10% of the original sectional dimension.
3. Hook has any visible bend or twist from the plane of the unbent hook.
4. Hook has an increase in throat opening of 5% not to exceed ¼ of an inch.
5. If self-locking hooks have the inability to lock.
6. A hook latch that is inoperable (if applicable)


Shackles
Shackles shall be removed from service if damage such as the following is visible and
shall only be returned to service when approved by a qualified person.

1. If the manufacturers name or trademark and / or the rated load identification is

missing or illegible.

2. The device shows signs of heat damage including weld spatter or arc strikes.
3. The device shows excessive pitting or corrosion.
4. The device is bent, twisted, distorted, stretched, elongated, cracked, or has

broken load-bearing components.

5. The device has excessive nicks or gouges.
6. The device has a 10% reduction of the original or catalog dimension at any point

around the body or pin.

7. The device has incomplete pin engagement.
8. The device has excessive thread damage.
9. The device shows evidence of unauthorized welding.
10. Any other condition including visible damage that causes doubt to the continued

use of the shackle.

Calibration

How to test the calibration

This calibration procedure should be performed annually for normal operating
conditions. If the unit is dropped or damaged, or service has been performed on the
scale, use this calibration check. Recommend calibration points at 10% intervals from

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