Version 1.1
18
2011-06-28
8.
Lock test for mechanical tools
When connecting a mechanical attachment without hydraulic function, you have to carry out a lock test
before using the tool for working.
Tilt the attachment forward, press it into the ground and move the tilt cylinder in (see illustration below).
The tool must not become detached in the process.
When connecting or disconnecting, changing and setting down attachments, no one should be in
the excavator's working area.
During the coupling procedure, attachments may accidentally become detached or topple over and
cause injury.
When connecting mechanical attachments, always carry out a lock test.
9.
Setting down a tool
In the descriptions regarding handling of the quick coupler, we have assumed that an OilQuick locking
hydraulics kit is installed. If this is not the case, proceed as described in your excavator manual when using the
quick coupler.
When connecting or disconnecting, changing and setting down attachments, no one should be in
the excavator's working area. During the coupling procedure, attachments may accidentally
become detached or topple over and cause injury.
In the descriptions regarding handling of the quick coupler, we have assumed that an OilQuick
locking hydraulic kit is installed. If this is not the case, please refer to your excavator manual.
Summary of Contents for OQ 70/55
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