Mazak Vertical Machining Center VTC-200B

Warning: This maintenance check requires trained personnel with PPE!

If machine trouble occurred, first check the following items and carry out inspection and maintenance according to the information described

Call the DIAGNOSIS (ALARM) screen and confirm the past alarms in addition to the latest alarm.

Check the trouble and alarm if it recurs

Check the ambient temperature if it is within the specified range

Check if momentary power failure has occurred

Check the source voltage for fluctuation

Check if conditions differ depending on motion direction

CAUTION: When replenishing spindle cooling fluid, use only the cooling fluid specified by Yamazaki Mazak. Otherwise, machine trouble and other problems will occur

Cooling fluid collecting pan placed under the drain port and drain plug loosened

Bolts clamping the suction port cover loosened and cover pulled up

Suction filter removed from the suction pipe and cleaned with compressed air

Note: Do not use an air gun near the machine since this could cause machine trouble

Suction filter installed to the suction pipe and returned into the tank

Cap at the oil filler port removed

Amount of spindle cooling fluid supplied

Upload a photo of the replaced parts

Sign off on the parts replacement

CAUTION: Shut off the power to the machine by turning the main power disconnect to the “OFF” position and disconnect the external air source before changing the filter element. Attempting to change the filter element without taking these precautions could cause machine damage or severe injuries.

The filter element is a consumable part and should be changed every two years. In the list given in 7-2 “List of Wearable Parts”, “element ass’y” indicates a set of filter element, Oring, and gasket. When changing the filter element, order the “element ass’y”.

Loose the four bolts and detach the body from the housing

Insert a new filter element into the housing with the hole in the filter element facing up

Fix the body to the housing with the bolts

Sign off on the air unit maintenance

Warning: Ensure the machine is powered off before starting the procedure

Remove nuts A and B using wrenches

Remove the sensor from the bracket

Set a new sensor in the bracket

Tighten nuts A and B temporarily

Measure the gap between the sensor front edge and the dog using the thickness gauge

Adjust the gap by turning the nuts

Note: One turn of the nut moves the sensor 1 mm (0.039 in.)

Tighten nuts A and B at the same torque