Manitowoc Grove GRT8100 User Manual

SET-UP AND INSTALLATION GRT8100 OPERATOR MANUAL
4-34 Published 3-25-2020, Control # 595-10
3.05 M (10 FT) HEAVY DUTY BOOM
EXTENSION (OPTIONAL)
Description
A 3.05 m (10 ft) manual off-settable heavy duty boom
extension provides additional boom reach designed for
tilt-up panel operations. The extension weighs approximately
700 kg (1,543 lb).
Installing Heavy Duty Boom Extension
1. Fully extend and set outriggers.
2. Position boom over front of crane.
3. Fully retract all boom sections.
4. Lower boom to minimum elevation.
5. Using a suitable lifting device, lift the heavy duty boom
extension in front of the boom nose aligning the anchor
fittings with boom attachment fittings.
6. Install attachment pins in anchor fittings and attachment
fittings of the boom nose. Install retaining clips in
attachment pins.
7. As required, rig main hoist or optional auxiliary hoist
cable for single through four part line.
8. Connect RCL cables:
a. Remove RCL cable end connector from boom
extension and route through boom extension.
b. Remove dummy plug from junction box on boom
nose.
c. Install cable end connector from boom extension
where dummy plug was removed.
Setting Heavy Duty Boom Extension Manual
Offset
Changing Offset from 0° to 35° or 55°
1. Extend and set outriggers.
2. Swing boom over front of crane.
3. Raise boom above horizontal.
4. Block under tip of boom extension.
5. Slowly lower boom until weight is removed from offset
assembly.
6. Remove offset clip and pin securing offset assembly in
the lesser degree offset position. If going to maximum
offset, stow pin in the stowage lug. If going to
intermediate (20°) offset, install pin in offset hole for that
degree of offset. Secure with clip.
7. Reeve hoist cable as described under normal erecting
procedures.
8. Slowly elevate and telescope boom at the same time so
boom extension does not move off of the blocking until
offset assembly takes full weight of the boom extension.
Changing offset from 55° to 35° or 0°
1. Extend and set outriggers.
2. Swing boom over front of crane.
3. Block under tip of boom extension.
4. Slowly lower boom until weight is removed from offset
assembly.
5. Remove clip and pins from offset assembly. Lower boom
until holes for lesser degree offset position align in offset
assembly. Install offset pin and clip.
6. Slowly elevate and telescope boom at the same time so
boom extension does not move off blocking until offset
links take full weight of the boom extension.
7. Reeve hoist cable as described under normal erecting
procedures.
DANGER
Crushing Hazard!
Ensure blocking material is adequate to support weight of
the extension assembly without tipping or falling.
CAUTION
Possible Equipment Damage!
Do not overload boom extension anchor fittings or boom
extension base section when lowering the boom.
CAUTION
Do not overload boom extension anchor fittings when
lowering the boom.

Manitowoc Grove GRT8100 Specifications

General

Brand	Manitowoc
Model	Grove GRT8100
Category	Construction Equipment
Language	English