This is a complete guide to all the inspection procedures you have to perform to the Mori Seiki machine.

1. REGULAR MAINTENANCE GUIDE
DuraVertical 635 eco
1

2. IMPORTANCE OF INSPECTIONS
1. The key to long-lasting machine accuracy is to perform daily
inspections and regular inspection by maintenance engineers.
2.
of a
3. If the causeMori problem cannot be determined or fixed,
contact the
Seiki Service Department for assistance.
In case of concerns, maintenance engineers must take action
within the instructions of operators.
2

3. REGULAR INSPECTION LIST
CONTENTS
Daily
1 Week
250 Hours
500 Hours
1000 Hours
2000 Hours
As Required
4
14
20
22
24
30
36
3

4. REGULAR INSPECTION
DAILY CLEANING
1. Machine Chamber
PROCEDURE
1. Bring the spindle to the machine zero point.
2. Turn OFF the main power and disconnect the
breaker.
3. Remove chips accumulating on the slideway
protective covers.
4. Apply grease to the X-axis protective covers
regularly.
CAUTION
Do not use compressed air
To maintain machining accuracy, clean the
chamber after completion of operations.
Do not touch chips with bare hands. If handling
chips, wear gloves that have resistance to
cutting.
Do not get on top of the protective covers when
cleaning the machining chamber.
4

5. REGULAR INSPECTION
DAILY CLEANING
2. Machining Chamber Observation Window
PROCEDURE
1. Turn OFF the main power and disconnect the
breaker.
3. Unlock the door lock device
4. Remove inside-outside smudges of the window
with a detergent soaked cloth.
CAUTION
Use commercially available neutral detergent or
fragance-free detergent for glass.
5

6. REGULAR INSPECTION
DAILY CLEANING
3. Coolant Tank Filter
PROCEDURE
1. Turn OFF the main power
2. Wait until the coolant level is stabilized after the
coolant inside machine is returned to the coolant
tank.
3. Remove the hose and cables 1 and 2.
4. Loosen the bolt 3.
5. Pull out the chip conveyor and the coolant tank.
(4)
CAUTION
Protective glasses must be worn.
6

7. REGULAR INSPECTION
DAILY CLEANING
3. Coolant Tank Filter
PROCEDURE
6. Remove the bolts and top cover (5)
7. Remove the three coolant filters (6)
8. Drain the coolant pumps
9. Drain the coolant using a special suction device
10. Clean the coolant tank with a space or shovel.
11. Blow compressed air through the coolant filters.
12. Reinstall the coolant filters.
This procedure continues next page
7

8. REGULAR INSPECTION
DAILY CLEANING
3. Coolant Tank Filter
PROCEDURE
13. Push the coolant tank into the machine unitl
firmly pressed against the casting surface of the
bed.
14. Adjust the jack bolts to secure coolant tank to
the floor.
15. Mount the coolant pump
16. Connect the cables and hoses
17. Refill coolant
18. Reinstall the coolant top covers
19. Push the coolant button
[ON] on the
operation panel to confirm coolant is supplied.
CAUTION
Coolant tank must make contact with the cast
iron surface of the bed or coolant will splash
and may cause injury.
8
Confirm that part 1 is in contact with part 2.

9. REGULAR INSPECTION
DAILY CLEANING
4. Spindle Tapered Section and End Face
PROCEDURE
1. Spindle rotation must be stopped completely.
2. Remove the tool from the spindle
3. Press the emergency stop.
4. Remove dust and chips
5. Clean the spindle tapered section with a spindle
cleaner.
6. Lubricate the spindle taper with the MOLYKOTE
powder spray Ident. No.: 2254885.
CAUTION
Do not use compressed air
Handle tool with care due to sharp edges
Hold tool with both hands and prepare a waistheight tool rack to minimize physical effort.
Make sure the spindle is supported when
removing a cutting tool.
9

10. REGULAR INSPECTION
DAILY CLEANING
4. Chip Conveyor
PROCEDURE
1. Remove dust or foreign material off the chip
conveyor.
2, Empty container when full.
CAUTION
Protective glasses must be worn.
Glooves must be worn.
10

11. REGULAR INSPECTION
DAILY CONFIRMATION
5. Spindle Warm-Up
Step
Warm-Up Speed
PROCEDURE
Time
1
5%
10 min
2
25%
50%
5 min
4
75%
5 min
5
100%
5 min
2. Refer to this table before performing the spindle
warm up and operating the machine.
10 min
3
1. Perform spindle warm up to ensure optimum
bearing service life.
CAUTION
Do not rotate the spindle without a tool clamped.
Perform the warm-up below the maximum
permissible rotattion speed of the tool and fixture.
Ensure the tool and fixture are secured before
performing spindle warm-up.
11

12. REGULAR INSPECTION
DAILY CONFIRMATION
6. Air Pressure Inspection and Adjustment
PROCEDURE
1. Check that the pressure gage is set at 0.6MPa
(green mark).
2. If necessary, pull upward and rotate the
pressure adjustment knob to adjust pressure/
Increasing pressure: Rotate knob clock wise.
Reduce pressure: Rotate know counter clock wise.
3. Push the pressure adjustment knob downward.
If pressure cannot be adjusted, check the plant
side air source
CAUTION
Inspect pressure gage periodically. Adjust it if
it’s not at the correct value.
12

13. REGULAR INSPECTION
DAILY LUBRICATION
7. Spraying Powder Lubricant onto Spindle Taper
PROCEDURE
1. Lubricate the spindle taper with the following
powder lubricant.
MOLYKOTE powder spray
Ident. No.: 2254885
CAUTION
Be sure to spray the powder lubricant onto the
spindle taper everyday
13

14. REGULAR INSPECTION
1 WEEK CONFIRMATION
1. Machining Chamber Observation Window Inspection
PROCEDURE
1. Make sure window is clean and on place.
2. Clean or replace if necessary.
14

15. REGULAR INSPECTION
1 WEEK CONFIRMATION
2. Magazine Tool Pot Damage Inspection
PROCEDURE
1. Make sure magazine tool runs properly. If not,
seek assistance to repair or replace.
15

16. REGULAR INSPECTION
1 WEEK LUBRICATION
3. Greasing Tool Locks of ATC Arms
PROCEDURE
1. Spray grease to the tool of the ATC arms
regularly after cleaning.
METAFLUX spray.
16

17. REGULAR INSPECTION
1 WEEK LUBRICATION
4. Cleaning/Greasing Front Door Rail
PROCEDURE
1. Apply grease to the front rail.
2. Confirm that the door runs smoothly.
3. Repeat process if necessary.
CAUTION
Protective glasses must be worn.
17

18. REGULAR INSPECTION
1 WEEK LUBRICATION
5. Greasing X-axis Protective Cover
PROCEDURE
1. Apply grease to the X-axis protective cover
2. Confirm that the X-axis runs smoothly.
3. Repeat process if necessary.
CAUTION
Protective glasses must be worn.
18

19. 19

20. REGULAR INSPECTION
250 HOURS CONFIRMATION
1. Checking Oil Level for Tool Clamp Unit Tank
PROCEDURE
Replenish oil if close to the lower limit.
1. Turn OFF the main power.
2. Shut off the compressed air supply.
3. Confirm the pressure gage on the pneumatic
device indicates 0 MPa.
4. Remove the oil by turning it counter clock wise.
If jammed, use a hook spanner to loosen.
5. Supply oil while checking the oil level.
6. Remount the oil tank.
7. Restart compressed air supply.
CAUTION
Turn OFF the main power.
20

21. 21

22. REGULAR INSPECTION
500 HOURS CLEANING
1. Cleaning Coolant Tank
PROCEDURE
1. Turn OFF the main power
2. Wait until the coolant level is stabilized after the
coolant inside machine is returned to the coolant
tank.
3. Remove the hose and cables. (1 and 2)
4. Loosen the bolt 3.
5. Pull out the chip conveyor and the coolant tank.
(4)
CAUTION
Protective glasses must be worn.
22

23. REGULAR INSPECTION
500 HOURS CLEANING
1. Cleaning Coolant Tank
PROCEDURE
6. Remove the bolts and top cover (5)
7. Remove the three coolant filters (6)
8. Drain the coolant pumps
9. Drain the coolant using a special suction device
10. Clean the coolant tank with a space or shovel.
11. Blow compressed air through the coolant filters.
12. Reinstall the coolant filters.
23

24. 1000 HOURS CONFIRMATION
REGULAR INSPECTION
1. Pneumatic Device Air Filter Inspection
PROCEDURE
1. Turn OFF main power.
2. Shut off the compressed air supply.
3. Confirm the pressure gage indicates 0 MPa.
4. Inspect/replace the air filter element. (Refer to
the following page for further instructions).
5. Restart compressed air supply.
6. Check for air leakage and confirm the air
pressure is set at 0.6 MPa.
24

25. 1000 HOURS CONFIRMATION
REGULAR INSPECTION
1. Pneumatic Device Air Filter Inspection
Removing Air Filter Assembly Case
Slide the lock downward and rotate the assembly
case 45 degrees CW or CCW. Pull the assembly
case downward to remove.
Inspecting/Replacing Filter Element
Handle with care the O-ring mounted on top of the
assembly.
Do not use tools when reinstalling case to prevent
damage.
If clogged, replace:
a. Rotate baffle CCW to remove it along filter
element.
b. Mount a new filter element on the valve guide.
c. Rotate the baffle CW to secure it along filter
element.
d. Remount the assembly case
25

26. 1000 HOURS CONFIRMATION
REGULAR INSPECTION
2. Checking Clamp Force for Tool Clamp Unit
PROCEDURE
1. Contact Mori Seiki Service Department for
assistance.
DMG / MORI SEIKI USA, Charlotte
4345 Morris Park Drive
Charlotte, NC 28227
Phone +1 (704) 940 - 3380
Fax: +1 (704) 840 - 1101
Service Hotline: +1 (855) 364 - 6674
26

27. 1000 HOURS CONFIRMATION
REGULAR INSPECTION
3. Wear/Damage Inspection of Electrical Cabinet Door Packing
PROCEDURE
1. Turn OFF main power.
2. Inspect that door opens and closes correctly.
3. Check for dust and foreign matter inside and
clean carefully if necessary.
CAUTION
Protective glasses must be worn.
27

28. 1000 HOURS CONFIRMATION
4. Replacing Main Filter
REGULAR INSPECTION
PROCEDURE
1. Turn OFF main power.
2. Remove pressure from the pneumatic device.
3. Remove the bolts securing the filter cover and
then the filter cover.
4. Remove main filter
5. Clean the filter.
6. Install the new main filter to the filter cover.
7. Reinstall the filter cover to the original position.
8. Secure the filter cover with the bolts
9. Restart compressed air supply.
CAUTION
After the procedure, confirm that the pressure
is set at the correct value.
28

29. 29

30. REGULAR INSPECTION
2000 HOURS CLEANING
1. Cleaning Filter
PROCEDURE
1. Turn OFF main power.
2. Remove pressure from the pneumatic device.
3. Remove the filter cover.
4. Turn the filter to remove.
5. Wash the filter in lye, and blow it with
compressed air.
6. Reinstall the filter in the original position.
7. Apply some oil to the O-ring of the filter cover.
8. Reinstall filter cover and restart compressed air
supply.
CAUTION
Wear protective glasses.
If the filter deteriorates, replace it with a new
one.
30
Confirm pressure is set at the correct value.

31. 2000 HOURS REPLACEMENT
REGULAR INSPECTION
2. Pneumatic Device Air Filter Element Replacement
PROCEDURE
Removing Air Filter Assembly Case
Slide the lock downward and rotate the assembly
case 45 degrees CW or CCW. Pull the assembly
case downward to remove.
Inspecting/Replacing Filter Element
Handle with care the O-ring mounted on top of the
assembly.
Do not use tools when reinstalling case to prevent
damage.
If clogged, replace:
a. Rotate baffle CCW to remove it along filter
element.
b. Mount a new filter element on the valve guide.
c. Rotate the baffle CW to secure it along filter
element.
d. Remount the assembly case
31

32. 2000 HOURS REPLACEMENT
3. Cleaning Electrical Cabinet Cooler
REGULAR INSPECTION
PROCEDURE
1. Turn OFF main power.
2. Disconnect the plant-side power supply breaker.
3. Remove the cooler cover and the connector.
4. Blow the condenser fin downward.
5. Remove the panel cover.
6. Remove foreign matter with a vacuum cleaner.
7. Reattach the panel cover.
8. Reconnect the connector
9. Reattach the cooler cover.
CAUTION
Do not use inflammable products
32
Condenser fins and parts exposed to air have
to be cleaned every 2000 operating hours.
Depending on environment, it might require
more frequent cleaning.

33. 2000 HOURS REPLACEMENT
REGULAR INSPECTION
3. Cleaning Electrical Cabinet Cooler
33

34. 2000 HOURS REPLACEMENT
4. Replacing Cooling Oil
REGULAR INSPECTION
PROCEDURE
1. Turn OFF main power.
2. Remove the left-rear side cover
3. Place an oil pan beneath the drain plug.
4. Remove the drain plug and drain all oil from the
tank.
5. Wrap sealing tape around the plug’s thread.
6. Replace the drain plug.
7. Remove the fill port cap.
8. Pour oil while checking the oil level gage.
9. Remount the fill port cap.
10. Turn ON the main power and confirm the pump
generates a suction sound.
11. Turn OFF the main power and check oil level.
12. If oil level is still low, add oil again.
34

35. 2000 HOURS CONFIRMATION
5. Spindle Taper Damage Inspection
REGULAR INSPECTION
PROCEDURE
1. Spindle rotation must be stopped completely.
2. Remove the tool from the spindle
3. Press the emergency stop.
4. Remove dust and chips
5. Check spindle taper is not damage.
CAUTION
Do not use compressed air
Handle tool with care due to sharp edges
35

36. AS REQUIRED LUBRICATION
1. Replenishing ATC Unit Tank Oil
REGULAR INSPECTION
PROCEDURE
1. Turn OFF main power.
2. Remove the machine cover.
3. Remove the fill port plug.
4. Pour oil while checking the oil level gage.
5. Remount the fill port plug and machine cover.
36

37. AS REQUIRED LUBRICATION
2. Replenishing Coolant
REGULAR INSPECTION
PROCEDURE
1. Remove the top cover
2. Supply coolant up to the upper limit on the oil level
gage.
3. Remount the covers.
CAUTION
When supplying coolant, ensure the coolant
filters are installed.
Do not supply coolant during machine operation.
Do not fill above the upper limit on the oil gage.
37

38. AS REQUIRED LUBRICATION
3. Replenishing Lubricant
REGULAR INSPECTION
PROCEDURE
1. Remove the fill port cap and pour oil while
checking the oil level.
CAUTION
Use only clean oil.
Shell Gadus S2 V220 00
38

39. AS REQUIRED LUBRICATION
REGULAR INSPECTION
4. Replenishing Oil for Tool Clamp Unit Tank
PROCEDURE
1. Turn OFF the main power
2. Shut off the compressed air supply.
3. Confirm the pressure gage on the pneumatic
device indicates 0 MPa.
4. Remove the oil tank by CCW rotation. If tight, use
a hook spanner to loosen.
Handle with care the O-ring mounted in the upper
part of the oil tank
5. Supply oil while checking the oil level.
Apply some oil to the O-ring.
6. Remount the oil tank.
Do not use tools when reinstalling the oil tank to
prevent damage to the case.
7. Restart compressed air supply.
39

40. AS REQUIRED LUBRICATION
5. Greasing Magazine
REGULAR INSPECTION
PROCEDURE
1. Make sure magazine tool runs properly. If not,
seek assistance to repair or replace.
40

41. AS REQUIRED ADJUSTMENT
6. Adjusting Coolant Discharge Rate
REGULAR INSPECTION
PROCEDURE
1. Make sure the coolant discharge works properly.
2. If problems arised, refer to maintenance manual
and seek for asistance.
CAUTION
Protective glasses must be worn.
41

42. REGULAR INSPECTION
AS REQUIRED CLEANING
7. Cleaning Coolant Gun
PROCEDURE
1. Remove the nozzle head and remove chips and
foreign matters.
42

43. REGULAR INSPECTION
AS REQUIRED CLEANING
8. Cleaning Operation Panel
PROCEDURE
1. Turn OFF the main power.
2. Disconnect the plant-side power supply (breaker).
3. Remove any smudges from the operation panel
with a detergent-soaked cloth.
CAUTION
Use limonene-based liquid detergent that
satisfies the following conditions:
Coolant must be free of constituents with adverse
affects on human beings such as offensive
smells or skin irritaion.
The detergent must not cause hardening,
dissolving, or swelling of the operation panel’s
synthetic resin, etc.
43

44. REGULAR INSPECTION
AS REQUIRED CLEANING
9. Manual Draining from Pneumatic Device Air Filter
PROCEDURE
1. If condensate or foreign matter has
accumulated in the bottom of the bowl, push the
manual drain valve upwards to drain manually.
44

45. REGULAR INSPECTION
AS REQUIRED CLEANING
10. Cleaning Magazine
PROCEDURE
1. Make sure magazine tool runs properly. If not,
seek assistance to repair or replace.
45

46. AS REQUIRED CONFIRMATION
REGULAR INSPECTION
11. Preparation for Machine Operation After Prolonged idle period
Operations
Machine Idle Period
Refer to maintance manual
Full Stroke Travel of Axes
Two days or more
Written bellow
Spindle Warm Up
Two weeks or more
Page 64
Replacing Coolant
One year or more
Page 71
Checking Oil Levels
One year or more
Page 46 and 52
Cleaning and greasing X-axis
protective covers
One year or more
__
Cleaning and greasing axis
Guide rails
One year or more
__
46
Using the manual pulse generator, perform full stroke travel of
each axis for check for abnormal sounds or operation.

47. AS REQUIRED CONFIRMATION
12. Reafirming Machine Level
REGULAR INSPECTION
PROCEDURE
1. Refer to separate volume, “INSTALLATION
MANUAL.”
47