TM 5-3820-276-10-1
0025
ARHS OPERATION - Continued
16.
Pull FAST FEED control (Figure 7, Item 6) back gently to lower upper drill rod (Figure 7, Item 3) until it
enters into female opening of lower drill rod (Figure 7, Item 4).
1
2
4
3
5
6
8
7
WWDS00766
Figure 7.
Drill Rod Attachment.
17.
Pull ROTATION control (Figure 7, Item 7) back slightly to begin rotation of upper drill rod (Figure 7, Item 3).
18.
Pull ROTATION control (Figure 7, Item 7) back to attach upper drill rod (Figure 7, Item 3) to lower drill rod
(Figure 7, Item 4) until ROTATION PRESSURE gauge (Figure 7, Item 1) reads 2,100 psi (145 bar).
19.
Set FORK switch (Figure 7, Item 8) to up position to retract fork (Figure 7, Item 2) from tooling joint
(Figure 7, Item 5).
20.
Set LIFTING BEAM switch (Figure 8, Item 1) to UP position to raise lifting beam (Figure 8, Item 2) until lifting
beam position indicator light (Figure 8, Item 4) is illuminated.