Case 580SR Service Manual page 1053

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SECTION 84 - BACKHOE 15
3. BACKHOE ATTACHMENT HYDRAULIC CONTROLS
BACKHOE CONTROLS
Backhoe boom and backhoe attachment swing
left-hand hydraulic control lever
This control lever has five positions:
Position (0): neutral/hold. This position enables the at-
tachment movement to be stopped. As soon as re-
leased, it automatically returns to the neutral position
(0) and the attachment remains in the position where
it was when movement stopped.
Position (A): the boom lowers.
Position (B): the boom rises.
Position (C): the backhoe attachment swings to the
left.
Position (D): the backhoe attachment swings to the
right.
Backhoe dipper and backhoe bucket right-hand
control lever
This control lever has five positions:
Position (0): neutral/hold. This position enables the at-
tachment movement to be stopped. As soon as re-
leased, it automatically returns to the neutral position
(0) and the attachment remains in the position where
it was when movement stopped.
Position (E): the backhoe dipper extends.
Position (F): the backhoe dipper retracts.
Position (G): the backhoe bucket closes.
Position (H): the backhoe bucket opens.
STABILIZER CONTROLS
These controls are located on the left-hand hydraulic
control lever and may be operated independently or
simultaneously.
Left-hand control lever for left-hand stabilizer
This lever has four positions:
Position (0): neutral. This position stops the move-
ment of the left-hand stabilizer. As soon as the lever is
released from positions (1) or (2), it automatically re-
turns to the neutral position (0) and the left-hand sta-
bilizer stops raising or lowering.
When held in position (1): the left-hand stabilizer low-
ers.
When held in position (2): the left-hand stabilizer rises.
Position (3): stabilizer auto-up feature.