MachineryHouse CL-60A, Instruction Manual

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9. Preventive Maintenance
1. Daily Inspection:
Inspection of lathe is carried out on basis of each shift. The inspection work accords
to the following item 1-1.
1-1 Check before start the motor.
1) Clean-up of machine: Dust, chips and other articles should be removed from
sliding surface of machine to make the rotating or sliding parts performing easy and
smoothly. All other static parts are often also cleaned to avoid the corrosion.
2) Gearing and oiling: Regular oiling should be done every day (see lubrication plan
sheet) to keep the machine properly lubricated.
3) Check all the running parts not too tight, or loose. Bearings of headstock,
longitudinal and cross feed, tool holders etc would be examined and adjusted by
hand to proper fitness.
4) Check the sensitivity & reliability of all manual control levers:
To try the speed change rate function of headstock feeds and apron in gear box and
inspect their starting, stopping and forward & reverse action whether they are
sensitive and reliable or not.
5) Fixture and fig of headstock, tailstock and tool holder Tight clamping between
tailstock and bed surface, close running fit of spindle in tailstock, clamp bolts of
tool holder, and figs on headstock.
1-2 Check after start the motor.
1) To check electrical control system:
Try to put “on” and “off” button and examine the sensitiveness of starting, stopping
and pilot lamp strictly.
2) The sensitivity and reliability of mechanical control device:
Control levers for forward and reverse main spindle, automatic feeds and threads
change should be sensitive and reliable. Automatic control devices for longitudinal
and cross feed, gear change threads change, carriage, and spindle direction change
should be accurate also.
3) Limitation of noise and vibration:
When starting max speed of headstock spindle on no loading basis, check the noise
and vibration whether they are over specified limit or not.
4) Coolant system:
Check the quantity of coolant oil and start the oil pump for inspecting its function
and leakage.
5) Lubricating system:
Examine all Lubricating system carefully and ensure all flowing line without
Page 35 Instructions Manual for CL-60A (L604) 07/09/2017