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OPERATION
F-4139 01/11 Operation Section 3-2
© 2011 Alamo Group Inc.
OPERATION
CAUTION: To avoid possible injury, observe
the following safety rules BEFORE
OPERATING backhoe.
• Be sure area is clear of underground utilities or other
hazards.
• Position a barricade around work area.
• Keep bystanders a safe distance away.
PRE-OPERATION CHECKLIST
This backhoe is designed for safety, durability and operator
convenience. To insure satisfactory performance, complete
the following check list and make all necessary
adjustments before initial operation.
1. All safety shields must be in place.
2. Safety and operation decals must be in place,
undamaged and clean.
3. Hydraulic hookup must be correct and all connections
tight.
4. All bolts and pins which attach backhoe to tractor
must be in place. Check tightness of bolts and check
that all pins are retained.
5. Tractor must be in proper operating condition.
6. Lubricate backhoe, see MAINTENANCE SECTION.
7. Controls must operate properly. See OPERATION
SECTION.
8. Cycle all cylinders slowly to purge air from hydraulic
system.
9. Hydraulic system oil level must be correct. Reservoir
level should be 1” from top of tank.
OPERATING DIRECTIONS
The terms right, left, front and back shall be from the
position of the operator when seated in the operating
position on the backhoe.
ENGINE SPEED
Speed at which backhoe operates is dependent on tractor
engine RPM. Use a moderate engine speed to start and
increase it as your experience permits.
CONTROLS
The backhoe has two major control levers, Boom/Swing
and Crowd/Bucket. These controls are located on the
control panel directly ahead of the operator.
The stabilizer control levers are located between the two
major control levers.
BOOM/SWING
Push lever forward, boom moves down, away from
operator. Pull lever back, boom moves up, toward operator.
Pushing lever farther forward into detent position puts
boom into “float”. Float detent position allows boom to drift
up or down.
Move lever to left, backhoe swings left. Move lever to right,
backhoe swings right.
By moving lever to one of the intermediate positions, boom
can be swung left or right at the same time as it is being
raised or lowered, performing two operations
simultaneously.
Swing left and lower boom by moving control lever forward
and to the left.
Swing left and raise boom by moving control lever back
and to the left.
Swing right and lower boom by moving control lever
forward to the right.
Swing right and raise boom by moving control lever back
and to the right.
CROWD/BUCKET
Push lever forward, dipperstick moves away from operator.
Pull lever back, dipperstick moves toward operator.
Move lever to left, bucket curls in. Move lever right, bucket
extends out.
By moving lever to one of the intermediate positions,
dipperstick can be extended or retracted at the same time
as bucket is being loaded or dumped.
Move dipperstick away and extend bucket by moving lever
forward and to the right.