OPERATING CONTROLS AND PROCEDURES RT9150E OPERATOR MANUAL
3-130
Published 2-23-2017, Control # 644-00
Always operate the control lever with a slow, even pressure.
Depending on your configuration; use the swing brake pedal
or control lever to stop rotation, then push the Swing Brake
switch once, the icon will turn red, to engage the swing brake
preventing further rotation.
Rotating Superstructure with Counterweight
You may only rotate the superstructure with a rigged
counterweight if the crane is supported by a sufficient
outrigger span and the permissible working radii are
observed. Otherwise the crane will overturn during rotation.
The current rigging mode is registered by the RCL code
entered, and the RCL disables the swing operation if it is not
permitted.
The following table specifies (depending on the
counterweight and outrigger span) whether rotating the
superstructure is:
• Permitted; limited to working radii on Load Chart
• Disabled.
6. Engage the swing gear:
a. Brake pedal: Release the brake pedal as you
move the control lever in the direction you want the
superstructure to rotate.
b. Control lever: Move the control lever in the
direction you want the superstructure to rotate.
NOTE: With the Brake pedal function, swing movements
are not braked automatically. If you let go of the
control lever or move it to the neutral position, the
swing movement will continue; use the brake
pedal to stop the rotation.
WARNING
Tipping Hazard!
The RCL only disables the swing operation if the RCL
code was entered correctly and the RCL is not
overridden.
Therefore always check before rotating whether the RCL
code is valid for the current rigging mode displayed. This
prevents swing operations from being allowed within
impermissible ranges and the crane from overturning.
Rigged
Counterweight
Rigged Outrigger Span
Free on Wheels Retracted Mid-Extended Full-Extended
No Counterweight
Rotation Permitted
1
1
Used to install outrigger boxes onto crane.
Rotation Disabled
Rotation Permitted
2
2
Used to install counterweight onto crane.
Standard
39,000 lb (17,690 Kg)
Rotation Disabled Rotation Permitted
Heavy
63,000 lb (28,577 Kg)
Reference Only
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