GE
P
ART NUMBER FN091065, REVISION 2 VS5 N AND VS6 N SERVICE MANUAL
Chapter 8 - Replacement Procedures 8-51
PRELIMINARY
8-3-5-4-1 Adjusting the Tension of the Up-Down Cables
NOTE: The following procedure describes how to adjust the tension in the Up-Down Cable to enable raising
and lowering of the Keyboard Interface base, using the system chassis height adjustment lever.
The required adjustment is accomplished by “trial and error” until the correct cable tensions have been
achieved.
1.) Rotate the Keyboard Interface base clockwise about a quarter of a turn.
2.) Gradually tighten the up-down lever adjusting nut until the Keyboard Interface base rises upwards
on the support arm - Figure 8-64.
3.) Gradually loosen the up-down lever and while loosening it, press the Keyboard Interface base
downwards. As the up-down lever is gradually loosened, it will become increasingly difficult to push
the UI base downwards.
Once the base is completely stable, the optimum tension in the cables will have been achieved.
4.) Tighten the up-down lever locking nut to lock the up-down cable lever in the optimum position -
Figure 8-64.
5.) Using the height adjustment lever (the lever on the right), check that it is possible to raise and lower
the Keyboard Interface base and set it in various positions making sure that it locks firmly at each
selection.
6.) Next, check that the Keyboard Interface base rotates freely from left to right and back, observing at
the same time, that the communication cables are not stretched or put under any tension while
doing this.
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