TM 5-3805-294-10
0020
REMOVING IMPACT BREAKER - Continued
3
4
2
6
1
5
3
HYEX01321
Figure 27. Open Hydraulic Thumb Circuit.
22.
Remove retaining pin (Figure 27, Item 2) from pin (Figure 27, Item 3).
WARNING
Keep hands away from pin and alignment holes while thumb is being moved. Only use prybar
to push pin. Failure to comply may result in injury or death to personnel.
NOTE
Thumb may need to be repositioned multiple times with slight movements of the cylinder until
proper alignment of thumb to arm is achieved in order for pin to slide completely through.
23.
With the aid of an assistant, extend or retract thumb cylinder (Figure 27, Item 1), as needed, while using prybar
to remove pin (Figure 27, Item 3) from thumb lock position (Figure 27, Item 5).
24.
Install pin (Figure 27, Item 3) in storage position (Figure 27, Item 4).
25.
Install retaining pin (Figure 27, Item 2) to pin (Figure 27, Item 3).
26.
Safely park and shut down machine. (WP 0009)
END OF TASK
END OF WORK PACKAGE
