GE Vivid E9, Service Manual

Page: 168 / 802

GE H
EALTHCARE
D
IRECTION
GA091568, R
EVISION
5 VIVID E9 S
ERVICE
M
ANUAL
4 - 32 Section 4-2 - General procedures
4-2-9 Cleaning the Trackball (OP-1 to OP-4)
4-2-9-1 Introduction
• OP-4, OP-3 and OP-2:
On these Operator Panels, an optical trackball is used. If dust is interfering with the light in an optical
trackball, cleaning is required. This involves removing the OP and then remove and open the
Trackball, as described in the procedure below.
• OP-1 :
An inductive trackball is used on the first version of the Operator Panel. It is only needed to clean
the inductive trackball if it doesn’t move easy. This involves removing the OP and then remove and
open the Trackball, as described in the procedure below.
4-2-9-2 Manpower
One person, 30 minutes,
4-2-9-3 Tools
• Antistatic brush and/or antistatic vacuum cleaner
• Tools as listed in: 8-2-5 "Tools needed for servicing VIVID E9" on page 8-4