
Proper maintenance:
1. Check whether the zero line is accurate;
2. The workpiece should be wiped clean when measuring;
3. When the workpiece is large, it should be measured on the V-shaped iron or flat plate;
4. Wipe the measuring rod and anvil base before measurement;
5. Ratchet device is required when twisting the active sleeve;
6. Do not loosen the back cover to avoid changing the zero line;
7. Do not add ordinary oil between the fixed sleeve and the movable sleeve;
8. After use, wipe with oil, put in a special box and place in a dry place.
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E-mail: jacksun@ht-tools.net
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Add.:East Area of Economic Development Area, Pingyuan County, Shandong Province. China 253100
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