Manitowoc 777 User Manual

Reference Only
Manitowoc Published 10-01-12, Control # 044-05 2-27
777 OPERATOR’S MANUAL SAFETY INFORMATION
2
Barge Mounted Crane
Definition
A barge mounted crane is a crane that is anchored or
restrained in a work area of the barge, ship, or floating
platform and is subjected to tipping forces.
Examples
NOTE: The foundation is the deck of the barge, ship, or
floating platform.
1. Crawler-mounted crane with carbody anchored with tie-
downs to the foundation (Figure 2-8).
2. Crawler-mounted crane working on a timbered area of
the barge, ship, or floating platform with the crawlers
restrained by curbing and end stops (Figure 2-9). When
not working, the crane carbody is anchored with tie-
downs to the foundation. Traveling with load is not
permitted.
3. RINGER
®
(crawler mounted, carbody mounted)
supported on blocking, screw jacks, or steel pedestals
which are braced and fastened to the foundation in such
a manner as to prevent movement (Figure 2-10).
4. RINGER (platform mounted) which has the ring braced
and fastened directly to the foundation in such a manner
as to prevent movement.
Foundation
Carbody
Tie-Downs
FIGURE 2-8
Carbody
Tie-Downs
Required
When Parked
Curbing
FIGURE 2-9
NOTE: Manitowoc does not permit traveling with load.
End Stop
Front and
Rear
Foundation
Foundation
Ring Assembly
Ring Support
Bracing
FIGURE 2-10
NOTE: Ringers must be equipped
with hook rollers on boom
and counterweight carriers.

Manitowoc 777 Specifications

General

Brand	Manitowoc
Model	777
Category	Construction Equipment
Language	English