Maintenance In Trouble Occurrence (Mechanism); High-Speed Head Change; Removal Of Electric Wiring, Etc; Head Assembly Removal - Yamaha SIGMA-G5SII Service Information

4.12. Maintenance in Trouble Occurrence (Mechanism)

4.12.1. High-speed Head Change

4.12.1.1. Removal of Electric Wiring, etc.

(1) House all the nozzles.
(2) Shut down the machine and turn OFF the breaker.
(3) Remove the connectors and air hose attached to the U07 (UC41) board (four
locations).

4.12.1.2. Head Assembly Removal

Prepare a work bench or stable box
to place the head.
(1) Loosen the fixing bolt (four locations) and hold the head frame and DD motor section.
Then, pull out the head assembly to the upper direction.
Fixing Bolt
Fig.D86
Air Hose (2 Unit)
6(Air / Blow)
8(Air / Vacuum)
Connector (2 pcs)
X0701(Power Source)
X0702(Encoder)
Fig.D84
100 mm
Note:
After removing the wires and air hoses described in Item
4.12.1.1, loosen the set bolts.
The set bolt has been designed that even when it is
loosened completely, it cannot be pulled out from the
base.(Fig.D86)
Pull out the head taking care of the side view camera.
169/273
For Service Engineer
Service Information
Box with the size of
"300 × 300 × 100" or
more.
300 mm
300 mm
Base
Fixing Bolt
SI1705004E-00=SIGMA-G5SII Service Manual
Fig.D85