CM602all_EJM8AESM_Service Manual - 第533页
Refer to "Head Unit Replacement." Machinery Part Replacement Z Unit (3-nozzle type) Item Remarks 13 Install the Z-axis motor. Tools and Specifications Allen key 2.5 mm Screw M3 2 pcs. 14 Tools and Specification…
Remarks
9
Apply grease to the loose bushings.
Put the linear guides into the linear rails
Tools and Specifications
with their capillary plates up.
Machinery Part Replacement
Z Unit (3-nozzle type)
10
Put the Z plate back on with the jig.
Tools and Specifications
Allen key 3 mm
Feeler gauge
Screw M4x8L 12 pcs.
Gap between the heads:
A: 0.5 mm
Item
11
Install the ball screws.
Tools and Specifications
Allen key 2.5 mm
Screw M3x16L 6 pcs.
M3x30L 4 pcs.
12
Tools and Specifications
Allen key 2.5 mm
Screw M3x16L 6 pcs.
Specifications:
T: 250cN・m or less
Lock the ball screws, checking the rotation torque.
Upward
A
Moving up and down the
linear guides, find a point at
which the guides slid
e
smoothly. Then lightly tighten
the screws
EJM8A-E-SMA050507-A01-00
Page 5-5-7-4
Refer to "Head Unit Replacement."
Machinery Part Replacement
Z Unit (3-nozzle type)
Item Remarks
13
Install the Z-axis motor.
Tools and Specifications
Allen key 2.5 mm
Screw M3 2 pcs.
14
Tools and Specifications
15
Put the head unit back on.
Tools and Specifications
Section 5-4-2
Allen key 2.5 mm
Screw M3x8L 4 pcs.
16
Put the upper board bracket back on.
Tools and Specifications
Allen key 3 mm
Allen key 4 mm
Screw M4x8L 1 pc.
M5x12L 3 pcs.
Screw-hole
position
D
E
Raise the linear guide to
maximum.
Top view
The screw hole of "D" should be positioned
more than 90 degrees away from the
k
EJM8A-E-SMA050507-A01-00
Page 5-5-7-5
Refer to "Replacing a Set of Head Units."
Machinery Part Replacement
Z Unit (3-nozzle type)
Section 5-5-1
Item Remarks
17
Connect the connectors.
Tools and Specifications
Install a set of head units.
Tools and Specifications
18
EJM8A-E-SMA050507-A01-00
Page 5-5-7-6