OVERLOAD WARNING DEVICE Description
Operation
NOTE: The excavator must be equipped with the optional boom load holding valve to installed for the overload warning device.
Figure 73
The overload warning device (if equipped) senses hydraulic pressure in the boom lift circuit. When the hydraulic pressure in the boom lift circuit reaches a predetermined pressure setting, a buzzer will sound that indicates an overload condition. 1 If the buzzer sounds, immediately move the arm closer to the excavator and lower the boom. Reduce the size of the load before attempting to re-lift the load.
P113531
WARNING W-2793-0409
P113535
Press the switch (Item 1) to the left. This will activate the optional pressure switch (Item 2) [Figure 73] in the boom load hold valve. Press the switch (Item 1) [Figure 73] to the right to shut the overload warning feature OFF.
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E19 Operation & Maintenance Manual
Dealer Copy -- Not for Resale
2
AVOID INJURY OR DEATH Do Not work or stand under raised work equipment or attachment.
