GE M
EDICAL
S
YSTEMS
- K
RETZTECHNIK
U
LTRASOUND
D
IRECTION
105844, R
EVISION
1
V
OLUSON
® 730 S
ERVICE
M
ANUAL
Chapter 6 Service Adjustments
6-5
Section 6-5
Trackball Adjustment
Adjustment of the mechanical movement may be necessary to ensure smooth running of the trackball.
1.) Remove the outer fixing ring by turning it counterclockwise.
2.) Adjust the trackball for smooth running by rotating the black securing ring.
•
CCW: smooth run
•
CW: tighten run
3.) Mount the outer fixing ring by turning it clockwise. see
Figure 6-4
.
Figure 6-4 Trackball with fixing ring
Figure 6-5 Trackball - Securing Ring
NOTICE
Avoid tightening of thread caused by improper mounting of securing ring!
rotate counterclockwise
to remove the fixing ring
rotate clockwise to
mount the fixing ring
Securing ring
smooth run
tighten run