TM 5-3805-296-10
0005
SCRAPER OPERATION CONTINUED
3. Travel at a safe speed for the road conditions. Use higher speeds on smooth, level surfaces. Use lower speeds
for rough, rolling surfaces or when there is traffic congestion at work site.
4. Use service brakes and downshift as needed and reduce machine speed and engine rpm. Reduce machine
speed when turning.
5. If a ground guide is encountered at blind spots or crossings, obey guide's signals.
6. Carry bowl low for best stability, but high enough so that bowl has adequate ground clearance. Under normal
circumstances, proper travel height can be gauged by raising bowl until steering cylinders are level with the
ground.
7. Select gear speed for downgrade that is same as gear speed needed for similar upgrade. Use transmission
hold control to keep transmission from upshifting.
8. If machine starts to slip when traveling across a hillside, turn machine to downhill side. Turn machine to down-
hill side whenever machine is unstable.
WARN I N G
When machine is loaded and traveling across a hillside, reduce speed significantly
BEFORE turning uphill. Failure to do so may cause machine to roll over, resulting in injury
or death to personnel.
9. When machine is loaded and an uphill turn is required, turn uphill ONLY by making a wide turn at a very slow
speed.
10. In the event of a brake failure, drop scraper bowl to aid in stopping machine.
11. If machine becomes stuck when traveling with load, perform the following to break free:
a. Raise bowl to maximum height.
b. Move machine forward or back, while at the same time steering in quick succession, first sharp left, then
sharp right, etc. This technique is called "duck walking."
Dumping and Spreading
0005
N OT E
The following instructions are intended to provide basic procedures on dumping and
spreading load.
1. Whenever possible, dump downhill.
2. If there is a supervisor at dump area, dump load where directed to do so (with the required lift height).
3. When you arrive at dump (fill) area, release governor control pedal to reduce engine rpm. Apply service
brakes. Downshift transmission.
4. If entering a dump area with soft underfoot, engage differential lock.
5. Dump material at highest practical travel speed.
6. Lower bowl to required spread (lift) height:
a. 2-4 in. (5-10 cm) to provide material lift for subsequent compaction
b. 4-6 in. (5-15 cm) to dump load as quickly as possible when merely stockpiling material
7. Open apron at start of dump area.
8. Move ejector forward.
9. Finish dumping load. Slowly raise bowl in order to leave dump area as smooth as possible. Raise bowl high
enough to clear obstructions.
0005-12
