TM 9-243CARE OF PLUMB BOBSHandle plumb bobs with care. Do not use a plumb bobas a hammer or lever. Lightly coat plumb bobs withlubricating oil for short periods of storage. For long-termstorage, apply a heavy coat of oil and wrap the plumbbob in oil-soaked paper.Store plumb bobs in a protective box in a dry place.Make certain threads of removable caps (1) andpoints (2) are lightly coated with lubricant and placed ina protective box.1 1 - 6
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
