Controls And Instruments - Case WX145 Operator's Manual

SECTION 4
UPPER STRUCTURE HOLDING BRAKE
Before starting the machine, check the proper oper-
ation of:
- upper structure holding brake.
Check the correct operation in this way:
- Start the engine
The upper structure holding brake can be oper-
ated in AUTOMATIC mode by the centralized
electronic system.
Lamp (B) on button (1) lights up.
The upper structure is braked when the slewing
control lever (2) is not activated and at slewing
end.
- Activate the pilot control with the safety lever (3).
- When you shift the hydraulic control lever (2), the
upper structure holding brake is releases and the
upper structure is free to slew.
- Depress button (1) until all lamps switch off.
Upper structure holding brake is released.
The upper structure can be turned freely, even if
the hydraulic control lever (2) is not activated.
- Depress the button (1) once. The lamp (B) lights
up.
The upper structure holding brake is applied.
The upper structure is braked and should not
move.
- Depress the button (1) once more. The lamp (2)
lights up. The upper structure holding brake is
applied in automatic mode. The accurate stop of
the upper structure during slewing is ensured also
under severe use conditions.
LIGHTS
Before operating the machine it is advisable to carry
out a general cleaning and operation check of all
lights.
CONTROLS AND LAMPS OPERATION
Before starting the machine, check the proper oper-
ation of all controls and instruments and lamps of
the control dashboard.
Should faults be noticed, shut off the engine and
locate the trouble.
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