Attachments
Auxiliary Circuits
95 9821/6100-4 95
Auxiliary Circuits
Handheld Hydraulic Tool Circuits
WARNING Make sure that the hydraulic tool circuit is disabled before connecting or disconnecting hydraulic
hand held tool hoses.
WARNING When the machine is installed with a hand held hydraulic tool circuit and the operator is out
of the seat with the left hand console lowered and the control isolation switch activated, then track, dozer,
swing and auxiliary controls are active.
WARNING Do not work using hand held tool under raised boom.
CAUTION The springs inside the couplings are strong. Considerable force is required to engage them.
Make sure that the couplings have fully engaged.
To allow the use of hand held tools the machine is installed with a EHTMA (European Hydraulic Tool
Manufacturers Association) Class 'C' hydraulic circuit (20L/min at 138bar (2,000.0psi)), only tools to this
standard should be installed. Quick release coupling to which the tools connect are mounted.
Connecting the Hand Held Tool
1. Make the machine safe.
Refer to: Maintenance Positions (Page 122).
2. Connect the hand tool quick release couplings to the machine coupling.
Figure 81.
A Machine couplings
Operating the Hand Held Tool
1. Start the engine and use the hand throttle to set the rpm as per the attachment installed.
2. Lower the dozer.
3. Lower the excavator arm so the attachment is flat on the ground.
4. Leave the cab/canopy.
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