Manitowoc 777 User Manual

Reference Only
SET-UP AND INSTALLATION 777 OPERATOR’S MANUAL
4-20 Published 10-01-12, Control # 044-05
PRE-RAISING CHECKS
Make following checks and correct any defects before
raising attachment:
❏ Crane is on firm, level surface.
❏ All connecting pins are installed and properly retained.
❏ Crawler locking pins are installed and properly retained.
❏ Carbody jack pads are stored.
❏ Carbody jacks are fully retracted and pinned in stored
position.
❏ Boom and jib inserts are installed in proper sequence
per rigging drawing
❏ Boom and jib pendants are installed in proper sequence
per rigging drawing.
❏ All insert and pendant connector pins are installed.
Cotter pins are installed and spread.
❏ Load lines are spooled tightly onto drums and engaged
with proper sheaves. Load lines are securely anchored
to wedge sockets at boom and jib point or at load block
and weight ball.
❏ All blocking, tools, and other items are removed from
boom and jib.
❏ Electronic boom angle indicator is properly installed and
adjusted (see Boom Angle Indicator Adjustment in
Section 4 of the Crane Service Manual).
❏ Automatic boom stop is properly installed and adjusted
(see Boom Stop Adjustment in Section 4 of the Crane
Service Manual).
❏ Block-up limit control is properly installed and
operational (see Block-Up limit Adjustment in Section 5
of the Crane Service Manual).
❏ Rated capacity indicator/limiter is properly installed and
operational (see separate Rated Capacity Indicator/
Limiter Manual).
❏ Wind speed indicator (if equipped) is properly installed
and operational.
❏ Crane and attachment are properly lubricated (see
Lubrication Guide in Section 5 of this manual).
❏ Crawlers are blocked if required per capacity chart.
❏ Intermediate suspension (if required) is fully raised and
latched in position.
❏ Wind is within allowable limits for operation given on
capacity chart.

Manitowoc 777 Specifications

General

Brand	Manitowoc
Model	777
Category	Construction Equipment
Language	English