TM 5-3805-294-10
0016
ARM DIGGING
WARNING
PREVENTING CAVE IN
Work perpendicular to or at an angle to excavation, with travel motors to the rear of the
machine. Failure to comply may result in injury or death to personnel.
Do not drive near the edge of an excavation or trench. Failure to comply may result in
injury or death to personnel.
Do not dig under the machine. Failure to comply may result in injury or death to personnel.
To prevent the spoil pile from caving in the excavation, spoil piles should be placed at
least 3 ft (1 m) from trench. Failure to comply may result in injury or death to personnel.
CAUTION
When bucket cylinder is fully extended, do not strike the ground or use the bucket for
tamping. Failure to comply may result in damage to equipment.
Do not use the bucket as a hammer, pile driver, or attempt to shift rocks and break down
walls using swing motion. Failure to comply may result in damage to equipment.
Do not side load bucket, swing bucket to level material, or strike objects from the side
with the bucket. Failure to comply may result in damage to equipment.
If you clean the bucket by rapping it against the cylinder stops, use MINIMUM amount of
force to prevent damage to the cylinders. Clean the bucket by hand if rapping the bucket
lightly does not work. Failure to comply may result in damage to equipment.
NOTE
Initial cut should be approximately 4 ft (122 cm) long and 3-4 in. (76-102 mm) deep.
Remaining cuts should be approximately 4 ft (122 cm) long and 4-6 in. (102-152 mm)
deep.
1.
Position arm in a vertical position.
0016-2
