CM602all_EJM8AESM_Service Manual.pdf - 第518页
Machinery Part Replacement Remarks Switch off the main power. Remove the top cover from the head assembly. Phillips screwdriver #1 Phillips screwdriver #2 Screw M3 2 pcs. M4 2 pcs. Disconnect the connector from the head.…

Machinery Part Replacement
This section describes the procedures for replacing the Z-motor.
• Tools
Phillips screwdriver #1
Phillips screwdriver #2
Allen key 2 mm
Allen key 3 mm
BARRIERTA
• Jigs
None
Z Unit (3-nozzle type)
5-5-5 Z Motor Replacement
Assembly
Adjustment
20min.
Teaching
5min.
Total Time Weight of
Part
Removal
Disassembly
20min.
45min.
kgs
Caution
Dange
r
Warning
EJM8A-E-SMA050505-A01-00
Page 5-5-5-1

Machinery Part Replacement
Remarks
Switch off the main power.
Remove the top cover from the head assembly.
Phillips screwdriver #1
Phillips screwdriver #2
Screw M3 2 pcs.
M4 2 pcs.
Disconnect the connector from the head.
Remove the front motor bracket.
Allen key 3 mm
Screw M4 3 pcs.
1
Item
2
Z Unit (3-nozzle type)
3
4
EJM8A-E-SMA050505-A01-00
Page 5-5-5-2

Machinery Part Replacement
Remarks
Item
Z Unit (3-nozzle type)
from falling.
After the motor is removed, the axis will
become free and may fall.
Remove the Z-axis motor holding screws.
Allen key 3 mm
Screw M4 2 pcs.
Raise the motor and remove it.
Remove the set screws. Replace the joint.
Allen key 2 mm
Set screw M3 1 pc.
Insert a 2-mm Allen key from the rear side of the head in order to prevent the Z-axis
5
6
7
8
D: Align the set-screw
hole of (2) with the D-
shaped cut on the
motor shaft
(2)
(1)
B: Put a yellow mark so
that
the position of Mark A will
be easily recognized.
A
: Mark put by Make
r
C: D-shaped cut
Motor shaft
EJM8A-E-SMA050505-A01-00
Page 5-5-5-3