MAN00000772_SI-G200BB_SVCPDFA - 第16页
Work Procedure WKGB-10102-01 G200BB Head Maintenan ce SHEET 2/1 1 2. T urn off the V ACUUM br eaker on the power unit pa rt. 2 Move the head clear of the work area. 1. Click in an order of MAN UAL menu AXIS MOTION tab …

Work Procedure
WKGB-10102-01
G200BB Head Maintenance
SHEET
1/11
G200BB Head Maintenance
This document explains the G200BB head maintenance procedure.
Follow the same procedure to perform maintenance on the front head and rear head.
[Necessary jigs]
A Pulling jig
B Spline nut assembling jig (1)
C Spline nut assembling jig (2)
D Bearing press fitting jig
E Gear phase adjustment jig (1)
F Gear phase adjustment jig (2)
G Spring holding hook
H Spacer assy retainer
I Torque screwdriver
(6[cN•m] to 40 [cN•m])
J Bit for torque screwdriver
(1.27 [mm], 2.5 [mm])
K Bit for air screwdriver
(width across flats: .5 mm)
[Disassembling Procedure]
To assure the mounting accuracy, the inner shaft is strictly paired with the ball bush guide unit and the
collar when the system is manufactured. In order not mix the disassembled parts with those for other
Indexes, control the parts separately by each Index. When reassembling, assemble the original parts and
attach them to the original index.
1 Turn off the VACUUM breaker.
Turn OFF the VACUUM breaker before
removing the mechanical valve in order to
prevent suction of contaminant and dust from
the mechanical valve.
1. Loosen the screws (2-+T4×8) to
remove the lower cover on the back of
the unit.
E
F
I
K
D
C
B
A
J
Lower cover
G
H

Work Procedure
WKGB-10102-01
G200BB Head Maintenance
SHEET
2/11
2. Turn off the VACUUM breaker on the
power unit part.
2 Move the head clear of the work area.
1. Click in an order of MANUAL menu
AXIS MOTION tab XY button.
XY Axis screen is displayed.
2. Click the Jog Move button.
3. Press the cursor key to move the head
to a position where working is easily
performed.
4. After moving the head, click the
Return button to close the XY Axis
screen.
3 To avoid a malfunction, press the
emergency stop switch.
4 Loosen 2-CP3x10 to remove all the
mechanical valves.
Mechanical valves
VACUUM breaker

Work Procedure
WKGB-10102-01
G200BB Head Maintenance
SHEET
3/11
5 Remove the spring stopper and spring, inner
shaft from the top of the inner shaft.
1. Hold the spring on the upper parts of
the inner shaft to install the spacer.
2. Direction the notch parts of the spring
stopper to the deep side.
3. Hang the spring holding hook, and
draw the spring stopper toward you to
remove. The spring stopper can be
removed by hand.
Be careful to prevent the inner shaft from
falling.
4. Remove the spring stopper and the
spring.
5. Pull out the inner shaft from lower
side of the head.
6 Remove the small gear.
1. Loosen the set screws (2-H2.5x4)
fixing the small gear.
Do not remove the set screw fixing the small
gear. Otherwise, the set shoe may fall.
Spring
Spacer assy retainer
Small gear
Set screw
Spacer assy retainer
Spring holding hook Spring stopper