Training Guide Course No. 196514
Level 2 Maintenance, X-1000 Series Dispensing Systems 5-28 P/N 196515 (Revision A)
Exercise Sheet 5-5-2
Removing the Dispensing Head Assembly (Continued)
8. Disconnect all cables connected to the Dispense Head Controller including the
following:
Height Sensor CPC Header
Light Source Valve Control
CAN Bus-In Pneumatic Solenoid
When disconnecting cables, take note of where they are connected. Cables are
usually labeled and are referenced on the schematics in Appendix B of this
manual. Label the cables and connections if necessary. Remove the two
Phillips head screws attaching the Valve 2 Pneumatic Bulkhead to the
Counterbalance Cover. (See Diagram Sheet 5-5-2 on page 5-29). Allow the
Bulkhead to hang by its attached pneumatic lines.
9. Remove the 3-mm socket head cap screws attaching the following components (as
applicable) to the Z-Carriage Plate (See Diagram Sheet 5-5-2 on page 5-29).
Single Dispensing Valve Mounting Bracket (Valve 1 Bracket and attached Height
Sensor Bracket)
Dual Valve Bracket (Valve 1 and Valve 2 Mounting Brackets, Height Sensor
Bracket, and Toggle Bracket are mounted on this bracket)
- To facilitate reinstallation of the components, make note of the location of the
mounting holes used on the Z-Carriage Plate.
10. Remove the two 3-mm socket head cap screws attaching the Valve 1
Electrical/Pneumatic Bulkhead to the bottom of the Dispense Head Controller Cover.
(See Diagram Sheet 5-5-2 on page 5-29).
11. Remove the two 4-mm socket head cap screws and washers attaching the back of
the Dispensing Head to the X-Pulley Bracket (See Diagram Sheet 5-5-2 on page
5-29).
12. Push the Z-Carriage Plate downward and remove the two 4-mm socket head cap
screws attaching the front of the Dispensing Head to the X-Pulley Bracket (See
Diagram Sheet 5-5-2 on page 5-29).
Hold onto the Dispensing Head when the two front screws are removed to
prevent the Dispensing Head from falling and causing serious injury and/or
damage to the dispensing system.
13. Carefully remove the Dispensing Head.
The faulty Dispensing Head should be returned to Asymtek.
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