Gear Works, Inc.

mikron model 79 Hobber

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Mikron model 79 Rebuild Details

Inclusive of, but not limited to:

• Complete disassembly of machine.
• Preserve original, enamel finish, or prime and paint with Polane.
• Replace all ball, roller, and thrust bearings.
• Replace work spindle with new tool steel spindle.
• Scrape and fit work spindle, bronze bearings for alignment with fixed tail stock.
• Inspect and rework or replace hob spindle as necessary.  At minimum requires grinding of locating tapers.
• Scrape spindle housing tapers for alignment and fit with spindle.
• Scrape bed ways parallel to work spindle.
• Scrape column square and to fit bed ways.
• Pad or replace gibs as necessary, scrape gibs to fit.
• Scrape hob slide to fit column.
• Replace feed rack and worm as necessary.
• Replace indexing worm and wheel as necessary.
• Replace or repair driven pulley shaft as necessary.
• Replace and fit bronze bearing to support driven pulley shaft.
• Replace gimbal, pivot pins as necessary.
• Repair or replace drive motor as necessary.
• Replace flat, drive belt.
• Overhaul cutting oil, gear pump.
• Replace oil lines.
• Replace wiring and electrical controls as necessary.
• Reassemble, adjust all settings, final inspect alignments, and cycle for function.

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