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GENERAL OPERATION
CAUTION
T o a v o id p o s s i b le
in ju r y , o b s e rv e th e
follow ing safety rules
B EFO RE
O PER A TING
the backho e:
1 . B E S U R E a r e a is
clear of und erground
utilities or other haz-
ards.
2 . P O S I T I O N b a r r i-
c a d e a r o u n d w o rk
area.
3. PR O VIDE adequate
fr o n t e n d w e i g h t to
cou nter-balance trac-
to r at all tim es . 20 %
o f t h e t o t a l t ra c t o r ,
lo a d e r a n d b a c k h o e
w e ig h t m u s t b e o n
the tractor fro nt axle.
4. K eep bystan ders a
safe distance aw ay.
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 Location
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
8
Left Hand Stabilizer
BOOM &
SWING
CROWD &
BUCKET
Right Hand Stabilizer
Swing
Lock Pin Location
Figure 2 Control Handles