OM ET18/20/24 us 1.3 * et18_20_24b510.fm 5-39
5
Connecting and disconnecting hydraulic couplings
1. Stop and park the machine. See “Preparing lubrication”.
2. Position the boom straight ahead at the center of the machine.
3. Lower the stabilizer blade to the ground.
4. Turn the starting key to position 1.
5. Move the control lever or the pedal of the hydraulic circuit in all
directions repeatedly.
6. Remove the starting key and carry it with you.
➥ The grab hose couplings can now be coupled and uncoupled from the
couplings.
Hydraulic connections
Follow the instructions in the Operator’s Manual of the
attachment manufacturer for connecting the hydraulics to the
attachment.
Fig. 186: Left-hand ports
B A C
Port Stick (left/right)
A Auxiliary hydraulics
B Grab control circuit (option)
C 3rd control circuit or Powertilt (option)
Fig. 187: Right-hand ports
C
B
A
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