
SEBU7494-06 69
Operation Section
Operation
i01935351
Work Tool Coupler Operation
SMCS Code: 6129; 7000
Improper attachment of work tools could result in
injury or death.
Do not operate this machine until you have pos-
itive indication that the coupler pins are fully en-
gaged. Check for engagement by:
1. Tilt the work tool down.
2. Put down pressure on the work tool.
3. Back the machine up and make sure there is
not any movement between the work tool and the
quick coupler assembly.
Attaching the Work Tool
Note: Before you install the work tool, inspect the
coupler and the work tool mounting bracket for any
wear or for any damage. Refer to Operation and
Maintenance Manual, “Quick Coupler Assembly -
Inspect” and Operation and Maintenance Manual,
“Work Tool Mounting Bracket - Inspect” for inspection
procedures.
1. Position the work tool on a level surface. Move the
hydraulic lines (if equipped) for the work tool and
electrical lines (if equipped) away from the work
tool mounting bracket.
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76
Illustration 51
2. If the machine i
s equipped with a manual coupler,
ensure that the levers for the coupler are in
the DISENGAGED position. If the machine is
equipped with
a hydraulic quick coupler refer to
Operation and Maintenance Manual, “Work Tool
Coupler Operation” for details on disengaging the
coupler pins
.
3. Enter the machine.
4. Fasten the seat belt and lower the armrest.
5. Start the eng
ine.
6. Disengage the parking brake.
7. Tilt the quick coupler assembly forward.
g00929878
Illustration 52
8. Align the quick coupler assembly (3) between the
outer plates (2) of the mounting bracket. Move the
quick coupler assembly under the angled plate (1)
of the mounting bracket and rack back the work
tool.
9. Fully lower the loader arms.
10. Tilt the work tool forward until the work tool is
slightly off the ground.
11. Turn the engine start switch key to the OFF
position in order to stop the engine.
12. If the work tool requires hydraulics, refer to
the section “Releasing the Hydraulic System
Pressure”.
13. Exit the machine.