Precautions For Disconnection And Connection Of Connectors - Komatsu PC490LCi-11 Shop Manual

Hydraulic excavator
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PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CON-
NECTORS
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNEC-
TORS
Disconnecting connectors
1.
Hold the connectors when disconnecting.
When disconnecting the connectors, always hold the con-
necting portion. If the connector is fixed with screw, loosen
the screw of the connector completely, hold the both of
male and female connectors, and pull them out in parallel.
NOTICE
Do not pull the connectors with one hand.
REMARK
If it is a lock stopper type connector, pull it out as pushing
the stopper (1) with your thumb.
2.
When removing a connector from a clip
Both of the connector and clip have stoppers (2),
which are engaged with each other when the connec-
tor is connected.
When removing a connector from a clip, pull the con-
nector in parallel with the clip as removing stoppers.
NOTICE
If the connector is pried up and down or to the
right or left, it may break the housing.
3.
Action to be taken after removing connectors
After removing the connector, cover it with plastic bags to
prevent entry of dust, dirt, oil, or water in the contact por-
tion.
NOTICE
Be sure to cover the connector with plastic bags when
leaving the machine disassembled for a long time, oth-
erwise defective contact may occur.
Connecting connectors
1.
Check the connector visually.
Check that there is no dust, dirt, oil, or water stuck to the connector pins (joint portion).
00-62
00 INDEX AND FOREWORD
PC490LCI-11

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