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CHESTER Coventry Pro Operation Manual

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Coventry Pro
Lathe
Operation Manual
Chester UK Ltd
Clwyd Close
Hawarden Industrial Park Hawarden
Chester CH5 3PZ
Tel: 01244 531631
sales@chestermachinetools.com
www.chestermachinetools.com

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Summary of Contents for CHESTER Coventry Pro

  • Page 1 Coventry Pro Lathe Operation Manual Chester UK Ltd Clwyd Close Hawarden Industrial Park Hawarden Chester CH5 3PZ Tel: 01244 531631 sales@chestermachinetools.com www.chestermachinetools.com...

  • Page 2: Table Of Contents

    Contents General Safety Rules Safety Rules for Lathes Specification Machine Breakdown Unpacking Lubrication Spindle Speed Control Operation Thread and Feed Selection Electrical System Parts List and Diagrams...

  • Page 3: General Safety Rules

    1. General Safety Rules Warning! Do not attempt to operate this machine until you have thoroughly read and understood all of the instructions, rules and other information contained in this manual. Failure to comply can result in accidents involving fire, electric shock or serious personal injury. Maintain this manual and review frequently for the continued safe operation and for possible instructing third party operators.

  • Page 4: Safety Rules For Lathes

    Check for alignment of all moving parts, binding of parts, broken parts, mounting and any other condition that may affect the machines operation. A guard or other part that is damaged should be properly repaired or replaced. 20. Feed a workpiece into a blade or cutter against the direction of rotation. 21.

  • Page 5: Specification

    3. Specification This lathe is suitable for machining, tool rooms and repair workshops to machine shafts, spindles, sleeves and disc shaped workpieces of small and medium types. They can also be used to cut imperial and metric threads and have been built into a compact unit. This machine is easy and reliable to operate, convenient to repair, has high efficiency and low noise.
  • Page 6 4. Machine Assembly 1. Foot Brake 2. Foot Stands 3. Chip Tray 4. End Cover 5. Feed Box 6. Headstock 7. Electrical Cabinet 8. Spindle with 3 Jaw Chuck 9. Toolpost 10. Worklamp 11. Compound Rest 12. Coolant Supply 13. Cross Slide 14.

  • Page 7: Unpacking

    5. Unpacking Unload the machine using an overhead crane using straps with sufficient capacity and eye bolts. Make sure that the machine is in balance by moving the tailstock and the saddle to the right side of the machine before carefully lifting the machine and placing it on the floor. 6.

  • Page 8: Lubrication

    8. Lubrication Before putting the machine in to operation, please make sure that the following areas are correctly lubricated. Headstock The bearings of the headstock turn in an oil bath, make sure that the oil level reaches the three quarters mark in the oil sight glass. When changing the oil, remove the end cover and the change gear swing frame, remove the drain plug on the bottom of the headstock.
  • Page 9 9. Operation Symbols for Operation Electrical Diametral Pitch (Danger) Thread Module Pitch Coolant Thread Metric Thread Imperial Thread Right-hand thread and Longitudinal feed toward the headstock side (Left Figure) Left-hand thread and longitudinal feed toward the tailstock side (Right figure) Feed (Left Figure) Thread (Right Figure) Longitudinal Feed engaged (upward)

  • Page 10: Spindle Speed Control

    1. Longitudinal travel handwheel 11. Cross slide lock 2. Cross travel handwheel 12. Saddle lock 3. Feed selector handle 13. Compound rest handwheel 4. Feed selector handle 14. Tailstock quill clamp handle 5. Feed selector handle 15. Tailstock lock 6. Feed/thread selector handle 16.

  • Page 11: Operation

    Main Spindle Rotation The spindle rotation direction can be selected by the spindle start lever on the side of the apron. Main Spindle Speed The speed of the main spindle is selected by using the (High/Low) speed selector and the 4 step speed selector.

  • Page 12: Thread And Feed Selection

    Note: For the correct locking condition, each cam must be tightened with the index line between the two “V” marks on the nose. Do not interchange chucks or other attachments without first check each cam for the correct locking position. To adjust the camlock studs, remove the lock screw B and turn the stud one full turn in or out as required.
  • Page 13 Cross Slide and Compound Rest The graduations on the handwheel is in millimetres. The dovetails have been fitted with gibs to allow for adjustments to be made. Make sure that the dovetails are clean and are greased thoroughly before any adjustments. To adjust the gib strips, first loosen the rear set screw and then turn the front screw until the slide moves smoothly without backlash, before tightening the rear set screw.

  • Page 14: Electrical System

    13. Electrical System Connect the power to the electrical system, make sure that the voltages and frequency available on site match the power requirements of the machine. Connect the power cable to the main power switch and make sure that the machine is correctly grounded.
  • Page 15 Code Name Description Model Main Motor Y90S-4 1.5kW Coolant Pump Motor AB-12 40W AC Contactor 3 TB41 AC Contactor 3 TB41 AC Contactor 3 TB41 Relay 3 TH80 Machine Lamp JC11-1 Button LA38/20913 Button LA38-11/209 Button LAY3-11X/2 Indicator Light AD11/21-8GZ Limit Switch LXW5-11G2/L Limit Switch...

  • Page 16: Parts List And Diagrams

    Parts List and Diagrams...

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