3-82 OM 25-3503 us – Edition 4.1 * * 2503_3503b340.fm
Operation
Hammer operation (proportionally controlled)
In order to ensure optimal functionality and to prevent the excavator from
overheating, take the following measure:
• Turn the handle of ball-type cock E (under the valve compartment cover)
toward G.
Switching on hammer operation:
☞ Press and hold button C on the control lever
Switching off hammer operation:
☞ Release button C on the control lever
Adjusting control response
Characteristic curve 1 (slow movements):
☞ Disengage the starter
☞ Then move slide switch B to the left D
☞ Hold slide switch B to the left D and switch on the starter at the same time
☞ Then release slide switch B
➥ Indicator light 1 flashes once.
Characteristic curve 2 (fast movements – maximum throughput):
☞ Disengage the starter
☞ Then move slide switch B to the right C
☞ Hold slide switch B to the right C and switch on the starter at the same time
☞ Then release slide switch B
➥ Indicator light 1 flashes twice
Characteristic curve status indicator
Displays the characteristic curve that has been selected for the control valve.
Characteristic curve 1 (slow movements):
☞ Indicator light 1 flashes once after engaging the starter
Characteristic curve 2 (fast movements – maximum throughput):
☞ Indicator light 1 flashes twice after engaging the starter
Information!
The characteristic curve that has been set last is active after the machine is
started again.
A: characteristic curve status indicator up to serial no. AG02452
B: characteristic curve status indicator from serial no. AG02453
Fig. 194: Ball-type cock
E
G
F
Fig. 195: Hammer operation
C
Fig. 196: Adjusting control response
B
D
C
Fig. 197: Characteristic curve status indicator (proportional
controls)
A
B
1