Counterweight Installation/Removal - Manitowoc Grove RT9150E Operator's Manual

RT9150E OPERATOR MANUAL
A lifting diagram is included to describe over side, over rear,
and over front lifting areas. The lifting area diagram shows
that the locations of the outrigger jack cylinders in the fully
extended position are used to mark the boundaries of the
lifting areas.
A boom extension capacity chart and notes are included to
list the capacities for the extension length, load radius, and
boom angle.
Another section contains the notes for lifting capacities. Be
sure to read and understand all the notes concerning lifting
capacities.
The load chart also gives weight reductions for Grove load
handling devices such as hook blocks, headache balls,
b o o m e x t e n s i o n s , e t c . , w h i c h m u s t b e t a k e n i n t o
consideration as part of the load. Remember, the weight of
any other load handling devices such as chains, slings, or
spreader bars must be added to the weight of the load.

Counterweight Installation/Removal

Refer to Figure 3-111.
DANGER
Crushing Hazard!
Ensure no one is on the counterweight platform while the
counterweight is being lifted or lowered.
Before lifting or lowering the counterweight, ensure there
are no objects on top of or below it.
Serious injury or death may result if these warnings are
not followed.
The lifting cylinders (1) can be:
Grove
OPERATING CONTROLS AND PROCEDURES
-
-
To lift and lower the counterweight, the lifting cylinders have
to be locked in the counterweight tubes (2).
To operate the counterweight hoist unit, you must open the
Counterweight submenu:
1. If necessary, open the main menu, press Esc button.
2. In the Main menu, press the F6 button (1) (Figure 3-112)
once.
The Counterweight submenu opens.
NOTE:
The extension or retraction of the lifting cylinders will only
take place when both lifting cylinders are fully in the locked or
unlocked positions.
Extending the Lifting Cylinders
Extension is only enabled when the superstructure is in the
180°, boom over-the-rear position.
FIGURE 3-111
The hoist unit can become damaged by moving the lifting
cylinders against the counterweight in the locked position.
Published 2-23-2017, Control # 644-00
extended and retracted and
turned to the positions Unlocked (A) or Locked (B).
FIGURE 3-112
If an error symbol (1) (Figure 3-113) is displayed
during subsequent operation, please contact
Crane Care.
CAUTION
Equipment Damage Hazard!
1
3
FIGURE 3-113
3-119