Manitowoc GROVE RT890E Operator's Manual page 117

RT890E
• Swing the auxiliary single-sheave boom top in front of
the main boom head.
• Remove the retaining pin and take out both thick pins
from the holders.
• Insert both pins into the pivot points at the front of the
main boom head and secure them with retaining pins.
• Insert the thin pin into the bearing point and secure it
with a retaining pin.
The auxiliary single-sheave boom top is now in working
position.
Attaching and Removing Hoist Cable
• Remove the cable holding rods from the head of the
main boom and from the auxiliary single-sheave boom
top.
SET-UP AND INSTALLATION
• When reeving, guide the hoist cable over the left head
sheave of the main boom.
• Insert the rope holding rod into the appropriate bore
holes and secure them with the corresponding retaining
pins.
• Fasten the cable end clamp on the hook tackle or the
hook block.
Reverse the sequence of operations to remove the hoist
cable before slewing the auxiliary boom top into transport
position.
Possible Reeving Methods on the Auxiliary
Single-Sheave Boom Top
NOTE: The hoist cable may only be simply reeved (single
drop).
Maximum load bearing capacity: 10 U.S. Tons
• maximum load bearing capacity:
for single-reeving 16,000 lbs (7.3 t)
Lifting Limit Switch
In Operation
• Pull the plug of the connecting cable from the dummy
socket (2).
• Unwind the connecting cable from the holders (3).
• Insert the plug of the connecting cable into the socket (1)
on the main boom head.
• Guide the hoist cable through the lifting limit switch
weight.
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