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GENERAL OPERATION
!!
CAUTION
To avoid possible injury,
observe the following
safety rules BEFORE
OPERATING the backhoe:
1. BE SURE area is clear
of underground utilities or
other hazards.
2. POSITION barricade
around work area.
3. PROVIDE adequate
front end weight to
counter-balance tractor at
all times. 20% of the total
tractor, loader and back-
hoe weight must be on the
tractor front axle.
4. Keep bystanders a safe
distance away.
DIRECTIONS: The terms right, left, front and back
shall be determined from the position of the operator
when seated in the operating position on the back-
hoe.
Engine Speed
The speed at which the backhoe operates is partially
dependent on engine RPM. Use a moderate engine
speed to start and increase it as your experience per-
mits. Refer to “SPECIFICATIONS” for hydraulic flow
volume requirements. When powering from tractor
systems with higher output, reduce engine RPM to
obtain acceptable backhoe operating speed.
Boom
Dipper-Stick
Boom
Transport
Lock Pin
Locations
Stabilizer
Bucket
Bucket
Link
Stabilizer
Cylinder
Figure 1
CONTROLS
The backhoe has two major control levers plus the
stabilizer control levers. These controls are located
on the control console directly ahead of the operator.
See Figure 2. The following is a list of the controls,
with the function of each, reading from left to right.
1. Left Hand Stabilizer: Push lever forward, the LH
stabilizer lowers. Pull lever back, the LH stabilizer
raises.
2. Boom/Swing: Push lever forward, the boom
moves down, away from the operator. Pull lever
back, the boom moves up, toward the operator.
The Boom/Swing Control Lever has an added “float”
function. A detent or stop should be felt when the
lever is pushed forward to move the boom down.
Pushing the lever forward more will overcome the
detent and cause the boom to float, or move down or
up freely, depending on the forces acting on it. When
the lever is released it should return to the center,
neutral position.
Move lever to the left, the backhoe swings to the left.
Move lever to the right, the backhoe swings to the
right.
By moving the lever to one of the intermediate posi-
tions, the boom can be swung left or right at the
same time it is being raised or lowered, performing
the two operations simultaneously.
SWING LEFT AND LOWER the boom by moving the
control lever forward and to the left.
Mainframe
Left Hand
Stabilizer
Boom &
Swing
Crowd &
Bucket
Right Hand
Stabilizer
Figure 2 Control Handles
Swing
Lock Pin
Location
9