Mindray DC-6, Service Manual

Page: 145 / 191

System Maintenance
7-2
Put the nozzle of the vacuum cleaner into the plastic bag, and turn on the vacuum cleaner to
vacuum dust.
Cut an opening at the top of the plastic bag to insert the pipe of the blower. Then use the
blower to clean the dust of the main unit.
Care shall be taken when the plastic bag is removed, to avoid the dust from leaking out of the
bag.
Vacuum all remaining dust with the vacuum cleaner.
2) Covers and control panels
Wipe off any dirt on the main unit covers and control panels using neutral detergent. If it is
difficult to clean the control panels, remove the switch covers first and then wash off the dirt
using neutral detergent.
3) Monitor
Check that the monitor is not skew and fixing mechanism is secured.
4) Transducer
Wipe off any dirt from the transducer, check it for abnormalities such as cracks, and then
connect it to the main unit. Wash the transducer holder with a soft brush to remove dirt.
5) Video printer
Clean the thermal head according to the operation manual for each printer.
6) Power cable and other cables
Wipe off any dirt from the main unit power cable and the signal cables using neutral
detergent.
7) Cleaning the trackball
a
）
Disassembling the trackball
Press the bulges on the clamping ring by both hands and turn the ring about 45°
clockwise until it lifts. Take out the ring and the rotary ball. Be careful not to drop the ball.
b
）
Cleaning the trackball
Top cover
Rotary ball
Clamping ring