Allen&Heath GL4000 SERVICE MANUAL - Manual (Page 30)

Allen & Heath AP2794 issue 3 6
9. With the expander module and console securely clamped together, bolt the expander and console front
panels together using bolts ‘D’ and lock nuts ‘K’ with a 5.5mm spanner. The input channel circuit board
assembly nearest the panel flanges will have to be removed to gain access to the fixing holes.
10. Disconnect the main harness from the end input channel circuit board on the console. Connect the male
connector on the expander harness to the console main harness. Re-connect the end Input circuit board
with the extra connector on the expander harness.
11. The 16 way ribbon harness is factory fitted for attaching the expander onto the right hand side of the main
console as shown. Connect the 16 way ribbon harness in same way as the main harness.
If the expander is fitted on the left hand side then the 16 way ribbon harness will have to be repositioned
accordingly.
12. Connect the expander green wire back to the console main extrusion using screw
‘E’ and washer ‘P’ . Do
not connect the wire back to the expander extrusion.
13. Connect the short green wire strap
‘N’ across the join in the rear chassis extrusions of the console and
expander module using screws ‘E’ and washers ‘P’ .
D+K
(see 9)
E+P
(see 12)
main harness connected to expander harness.
(
see 10)
N+E+P
(see 13)
16 way ribbon harness
(
see 11)
Console inverted and expanded on the right side.