It should move smoothly along the feed at all times.
e.
Keep the feed chain sprocket areas free of dirt
and stones.
3-25.
Drill and Feed Control Valve
Keep the drill and feed control valve clean at all times.
Keep all hose connections tight.
Section VIII. MAINTENANCE OF CRAWLER TRACKS
3-26.
General
The pneumatic rock drill is equipped with two carrier
tracks. Each track consists of 38 individual pads that are
connected
together
with
drive
pins.
Operator’s
maintenance of the track is limited to adjustment of the
track tension.
3-27.
Track Tension Adjustment
a.
Each track has its own adjustment located on
the track frame midway between the track sprockets.
The tension in the track is maintained by a grease
cylinder mounted in each frame.
b.
Adjust the track tension as illustrated in figure 3-
8.
Figure 3-8. Crawler track tension adjustment
3-11
