OM 803 us – Edition 3.7 * 803b340.fm 3-61
Operation
Rotating the upper carriage
Specific safety instructions
Accident hazard due to possible farther rotation of the upper
carriage in cold operating state!
Can cause serious injury or death.
• Until the hydraulic fluid reaches operating temperature, the upper carriage
can rotate farther than expected after the control is placed in the neutral
position. Carefully operate the control lever in cold operating state.
Crushing hazard due to upper carriage rotation on a slope!
Can cause serious injury or death.
• Operate the control levers especially carefully on a slope.
Fast actuation of the control lever rotates the upper carriage fast, slow actuation of the
control lever rotates the upper carriage slowly.
Rotate the upper carriage to the left as follows:
☞Push the left-hand control lever 14 to the left A
➥The upper carriage rotates to the left
Rotate the upper carriage to the right as follows:
☞Push the left-hand control lever 14 to the right B
➥The upper carriage rotates to the right
Upper carriage deceleration
Hydraulic swivel unit brake:
The upper carriage’s rotation is sufficiently braked by moving control lever 14 on the left
back to initial position. Moving the control lever in the opposite direction (counteraction)
brakes the upper carriage with maximum hydraulic output.
Fig. 134: Rotating the upper carriage to the left
A
14
Fig. 135: Rotating the upper carriage to the right
14
B
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