GE MEDICAL SYSTEMS
D
IRECTION FK091075, REVISION 04 VIVID 3N PRO/EXPERT SERVICE MANUAL
Chapter 8 Replacement Procedures 8-105
8-6-7 Gas Spring Replacement Procedure
8-6-7-1 Tools
Use the appropriate flat and Phillips-type screw drivers, a wire cutter, the appropriate open-ring
wrenches and a Hex M8x80mm screw as indicated in the gas spring replacement procedure.
8-6-7-2 Preparation
Shut down the Vivid 3N Pro/Expert ultrasound unit, as described in Chapter 3 - Installation.
8-6-7-3 Gas Spring Removal Procedure
1) Pull out and remove the air filter, as described in 8-2-3-3 "Front Cover Removal Procedure" on page
8-5.
2) Remove the Vivid 3N side covers and the rear cover, as described in 8-2-2-3 "Side Covers Removal
Procedure" on page 8-4 and the 8-2-4-3 "Rear Cover Removal Procedure" on page 8-7.
3) Remove the front end crate, as described in 8-4-5-3 "Front End Crate Removal Procedure" on page
8-51.
4) Lower the control console to its minimum height.
5) Remove the two screws located at the bottom of the left compartment of the control console, and
then remove the white metal box from the compartment.
Figure 8-88 Left Compartment of the Control Console
6) Remove the securing screw from the cable holder located on the gas spring rod.
Note: In the following steps, all the gas spring components indicated by letters can be seen in
Figure 8-89 and Figure 8-90 "Gas Spring Lower End Cable - Close-up View" on page 8-106.
7) Turn the cable holder (B) to free the cable end sleeve (C) then remove the cable end stopper (D)
from the trigger arm (E).
DANGER: Do not activate the trigger arm as this will cause the expansion of the gas spring and may
cause damage and/or injury!
8) Remove the retaining washer (K) from the pin (L) at the lower end of the gas spring.
9) Insert the Hex M8x80mm screw in the appropriate hole to the left of the compartment at its base,
and then tighten the screw until the pin (L) at the lower end of the gas spring is loose enough to be
removed, and remove the pin.
Screw
Screw
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