CRAWLER COMPONENTS
SUBSECTION 9E
Figure 9E-7. Crawler and Axle Assembly (2100J949)
5. Position a sling onto the crawler shoes so that the entire
side frame assembly will balance. Hook a tagline from the
left hoist drum and the side frame removal sling into the
bottom block as shown in Figure 9E-6.
Do not let the hook block EXCEED A RADIUS
OF 15 FEET, OR A TIPPING CONDITION
6. Lift the sling with the right hoistdrum and take in on the
COULD RESULT.
tagline to remove any slack in the lines. Remove the large
tension bolts and nuts that secure the side frames (see Fig-
9. Lower the side frame to the ground or onto a lowboy.
7. Slack off on the tagline. The side frame will swing out-
10. Retract the axles and pin them in place.
ward from the carbody. It may be necessary to take up on the
hoist line slightly to provide clearance between the crawler
11. Swing the machine upper through 180 to remove the
track and the ground, since the side frame will swing out-
opposite side frame, using the procedure in steps 4 through
ward on a downward arc.
7.
8. If loading the side frame on a lowboy, park it 12 inches
12. When loading onto a lowboy, keep the centerline of the
from the side frame. Take up on the hoist line enough to
side frame at 6-1/2 feet radius and swing slowly towards
clear the lowboy. Let out on the tagline and position the side
the lowboy. Place the side frame next to the other side
frame on the farside of the lowboy.
frame on the lowboy.
9E-7
