3.3 Coupling on and uncoupling from the excavator
3.3.1. Coupling
1) Place the hammer horizontally with its axe parallel to the excavator boom on the ground in
a stable position.
2) Remove the clamps holding the bucket and take the bucket away.
- Stop the hydraulic system of the excavator.
- Take the caps out of the system and in case they have no taps, collect the hydraulic oil in a
container, then fix the hoses connecting the hammer to the system (see scheme “Hammer
hoses connection” par. 3.2) and open the oil taps if present.
- Stock away the caps of the flexible hoses, which will be used again during the next
uncoupling of the hammer.
3.3.2. Uncoupling
- Place the hammer horizontally on the ground in a safe area.
- Stall the hydraulic system of the excavator.
- Close the hoses' flow if possible.
- Disconnect the hoses and close up the ends of the flexible hoses in order to prevent oil
leaking and dirt intake.
- Remove the connecting rod pin.
- Remove the boom pin.
- After unblocking the hydraulic system, take the excavator boom out of the adapting plate.
Insert the boom end in the middle of the
handles of the adapting plate.
- Line up the hole of the excavator boom
with the equivalent one on the adapting
plate, insert the first pin and fix its
clamps.
- Then line up the hole of the connecting
rod with the second hole on the adapting
plate, insert the second pin and fix well
its clamp.
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