TM 5-3820-276-10-1
0028
DRILL BIT INSTALLATION - Continued
6.
With aid of an assistant, push JIB ROTATE/RAISE/LOWER control lever (Figure 5, Item 2) to left position to
turn jib (Figure 5, Item 1) inward.
1
2
4
3
WWDS00884
Figure 5.
Jib Operation.
WARNING
Check the inspection date of all lifting devices. Never use lifting device that has an expired
inspection date. Failure to comply may result in injury or death to personnel. Seek medical
attention in the event of an injury.
CAUTION
Ensure jib line is free of obstructions before turning jib. Failure to comply may result in
damage to equipment.
7.
Pull main winch control lever (Figure 5, Item 3) back to lower jib cable (Figure 5, Item 4).
NOTE
If required, use nylon web sling for safe movement of bit.
8.
With aid of an assistant, install jib hook (Figure 6, Item 2) to hoist plug (Figure 6, Item 1).