Komatsu PC200-8M0 Shop Manual page 43

200 Foreword and general information
Handling of electrical equipment
Turn-housing type (Round green connector)
(CANNON-4)
Disconnection
1. Turn housing (H1) in the direction of the arrow.
a Unlock the connector by turning housing
(H1). When the lock is release the housing
is felt tight to turn.
2. Pull out housing (H1) in the direction of the
arrow.
a Housing (H1) is left on the wiring harness
side.
Connection
1. Insert the connector to the end while aligning
its grove to the other.
2. Turn housing (H1) in the direction of the arrow
until it "clicks".
PC200, 200LC, 220, 220LC-8M0
Handling controller
The electronic circuits for control including the
q
microcomputers are assembled in the control-
ler. These electronic circuits in the controller
must be handled with care as they control the
machine.
q Do not place objects on top of the controller.
q Cover the control connectors with tape or a
vinyl bag. Never touch the connector contacts.
During rainy weather, do not leave the control-
q
ler in a place where it is exposed to rain.
q Do not place the controller on oil, water, or soil,
or in a place that can be heated to a high tem-
perature even for a short period of time.
(Place it on a suitable dry stand.)
Precautions when performing arc welding
q
When performing arc welding on the machine
body, disconnect all the wiring harness con-
nectors connected to the controller. Put the arc
welding ground to the place close to the weld-
ing point.
SEN06112-00
27
00-200