TM 5-3820-276-10-1
0029
LOWERING DERRICK - Continued
12.
Move DERRICK hoist control joystick (Figure 14, Item 2) down and lower derrick (Figure 14, Item 1).
END OF TASK
RAISING DOWNRIGGERS
WARNING
Always stay clear of the downriggers during operation. Failure to comply may result in
injury or death to personnel. Seek medical attention in the event of an injury.
CAUTION
Do not lower vehicle with ladders installed on catwalks. Failure to comply may
result in damage to equipment.
During lowering of WWDR, raise downriggers evenly to keep WWDR even with
ground. Failure to comply may result in damage to equipment.
1.
Push down on two front JACK LF and JACK RF switches (Figure 15, Item 5) to raise two forward
downriggers (Figure 15, Item 7).
1
2
3
5
4
7
6
WWDS00711
Figure 15. Drilling Console Power Switch.
02/13/2013root(opusualwp)wpno(O10014)