TM 5-3805-294-10
0020
OPERATING IMPACT BREAKER - Continued
Increase down pressure when strokes have a metallic sound.
Decrease down pressure when strokes cause strong vibrations in the machine.
3.
Release attachment pedal lock (Figure 15, Item 30).
30
8
31
12
HYEX01520
Figure 15. Breaker Operation.
4.
Apply boom (Figure 15, Item 8) down pressure to impact breaker (Figure 15, Item 12) on work area.
5.
Press attachment pedal (Figure 15, Item 31) to start impact breaker (Figure 15, Item 12).
6.
Release attachment pedal (Figure 15, Item 31) to stop impact breaker (Figure 15, Item 12) before retracting
from work area.
7.
Engage attachment pedal lock (Figure 15, Item 30).
END OF TASK
TOOL REMOVAL
1.
Raise breaker (Figure 16, Item 12) off ground and extend bucket cylinder (Figure 16, Item 9) until breaker is
horizontal.
9
24
12
23
25
22
HYEX03440
Figure 16. Tool Removal.
