: Submerge metal components (screws, bearings, bushings) in a bath of isopropyl alcohol to dissolve old, hardened grease. Use a soft brush to clear threads.
Because production ceased decades ago, original paper manuals are scarce. Hence, the market has grown into a niche but vital ecosystem. hilger watts theodolite manual repack
Engage the metal buckles or latches. If your case has the original leather strap : Submerge metal components (screws, bearings, bushings) in