125-1623
1.
Forward left track/forward rotary
11.
Wrench makeup (for upper wrench)
2.
Reverse left track/reverse rotary
12.
Raise pipe elevator
3.
Drilling fluid pump on
13.
Lower pipe elevator
4.
Forward right track/forward carriage
14.
Reverse cam rotation
5.
Reverse right track/reverse carriage
15.
Forward (toward operator) cam rotation
6.
Tighten lower wrench (stationary wrench)
16.
Tighten pipe grip
7.
Loosen lower wrench (stationary wrench)
17.
Loosen pipe grip
8.
Tighten upper wrench (makeup/breakout wrench)
18.
Reverse drill spindle
9.
Loosen upper wrench
19.
Forward (toward operator) drill spindle
10.
Wrench breakout (for upper wrench)
20