General Maintenance 65
Adjusting Mid-Height Limit Switch
The Mid-Height limit switch is located at the base of the Helping-Hand
TM
arm (Figure 3-56). This
limit switch is part of the grabber auto-closing system. Each time the grabber reaches a certain height,
it closes automatically in order not to hit the vehicle.
Figure 3-56
Mid-Height limit switch
To adjust the Mid-Height limit switch:
1. Start the engine and engage the hydraulic system (PUMP switch activated).
2. Fully extend the arm.
3. If not already done, raise the grabber to 90 degrees.
4. Disengage the pump and turn OFF the engine.
5. Proceed with the lockout/tagout procedure. Refer to “Locking Out and Tagging Out the
Vehicle” on page 20.
6. Locate the Mid-Height limit switch at the base of the Helping-Hand
TM
arm.
7. Loosen the two screws indicated in Figure 3-56.
8. Slide the limit switch forward or backward to achieve proper contact with the target.
9. Retighten up the screws.
10. Start the engine and engage the hydraulic pump.
11. Test the operation.
Danger!
Do not stand directly in the path of the arm while carrying out these tasks.
Caution
Make sure the shut-off valve on the suction line is fully open before starting the vehicle.
Screws to loosen
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