
Controls". Connect the wiring harness to the electrical plug (1) .
Note: If your High Flow work tool does not have a wiring harness, a Jumper Plug needs to be installed on
the electrical plug (1) for the work tool control. Without this Jumper Plug, the machine will not provide High
Flow to the work tool. Please refer to your Parts Manual for the current part number for the Jumper Plug.
The affected machines are in the following list:
226B High Flow
242B High Flow
248B (XPS)
268B (XPS)
257B High Flow
287B (XPS)
Simple Hydromechanical Work Tools
Work tools in the following table are approved by Caterpillar. Refer to Operation and Maintenance Manual,
"Joystick and Auxiliary Hydraulic Controls" for the location and operation of the joystick controls that are
referenced in the table.
Please read the manual and understand the instructions and warnings in the Operation and Maintenance
Manual for these work tools. Consult your Caterpillar dealer for replacement manuals. Proper care is your
responsibility.
Table 1
Operation of Caterpillar Simple Hydromechanical Work Tools
Work Tool Joystick Control Actions
A
5
6
1
2
3
4
7
Multipurpose
Bucket
X
The bucket clam closes.
X
The bucket clam opens.
All Grapple
tools
X
The grapple closes.
X
The grapple opens.
Angle Blade
X
The blade angles to the left.
X
The blade angles to the right.
Dozer Blade
X
The blade angles to the left.