Cincinnati Model LA Milling Machines Service Manual
Service manual and comprehensive parts list for Cincinnati Model LA milling machines, covering Plain, Universal, and Vertical configurations with High Power and Dual Power Dial Type specifications. Publication No. M-2147, Identification No. 3J-DE. This workshop manual provides detailed servicing methods, maintenance procedures, and complete ordering instructions for authentic repair parts. Original documentation from The Cincinnati Milling Machine Co., Cincinnati 9, Ohio, copyright 1961. Essential reference for technicians performing maintenance, troubleshooting, and component replacement on these precision industrial milling systems.
Table of Contents:
- MAINTENANCE HINTS
- Excess Vibration
- During a Long Heavy Cut the Machine Suddenly Stops
- Faulty Operation of Main Drive Clutch
- Feed Trip Plunger Hesitates at End of Table Stroke. After It has Been Contacted by Table Dog. Before Snapping Over and Reversing Table Direction
- Low Hydraulic Oil Pressure
- Rapid Traverse Movements Erratic or Stalling
- Speed or Feed Variation from Actual Dial Reading
- Spindle Coats After Main Clutch is Disengaged
- Spindle Speed Change Gears Shift Erratically or Fail to Shift
- When Knee is Lowered in Rapid Traverse It Tends To Coast Down Further After Rapid Traverse Lever is Released
- PARTS LIST
- HOW TO ORDER REPAIR PARTS (Ordering Replacement Gibs)
- PARTS KEY NUMBER LOCATION INDEX
- COLUMN (Unit No. 3JC)
- COOLANT PUMP AND PIPING (Unit No. 3JP)
- FEED BOX (Unit No. 3JF)
- GEAR SHIFTER BRACKET (Unit No. 3JS)
- KNEE (Unit No. 3JK)
- MACHINE INSTRUCTION AND NAME PLATES
- MOTOR DRIVE (Unit No. 3JN)
- POWER FEED WORM BOX (Unit No. 3JAJ)
- PULLEY BRACKET (Unit No. 3JJ)
- SADDLE AND TABLE (Unit No. 3JH)
- TURRET STOP (Unit No. 3JAR)
- VERTICAL HEAD (Unit No. 3JDV)
- SCHEMATIC HYDRAULIC CIRCUIT AND EXPLANATION
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Document Details
- Format
- Pages
- 216
- Size
- 47.3 MB
- Category
- Machine Tools