OM 803 us – Edition 3.7 * 803b340.fm
3-65
Operation
Coupling
1
Put the excavator and the power unit on firm, level and horizontal ground.
2
Position the upper carriage as shown. The stabilizer blade must be at the rear.
3
Lower the stabilizer blade to the ground – see
.
4
Position the bucket and the stick as shown.
5
Lower the boom to the ground.
6
Stop the diesel engine.
7
Remove the starting key and carry it with you.
8
Operate the control lever repeatedly to release the pressure in the hydraulic system.
9
Stop the power unit.
10
Pull out split pin
A
and pin
B
(at the front and rear) on the power unit and remove
lance
C
from the power unit.
11
Fasten a pin and the split pin on the power unit again.
12
Insert lance
C
in the holder on the excavator and secure it with pin
B
and split pin
A
.
Fig. 139: (symbolic representation)
Fig. 140: (symbolic representation)
Fig. 141:
B
A
C
Fig. 142:
B
A
C
