Manitowoc 999 User Manual

Reference Only
Manitowoc Published 05-15-17, Control # 043-09 4-39
999 LUFFING JIB OPERATOR MANUAL SETUP AND INSTALLATION
4
Raise Boom, Luffing Jib, and Fixed Jib
Read and fully understand Jack-Knife Raising Procedure in
this section before proceeding.
1. Perform Jack-Knife Raising Procedure steps to raise
boom and luffing jib to BOOM TO LUFFING JIB ANGLE
specified in Jib Luffing Assembly, Assemble-In-Air
Drawing.
2. Also perform Raising Boom and Jib steps in this section
to assemble and attach fixed jib to luffing jib.
3. Perform the remaining raising steps to include pinning
fixed jib stop in operating position, installing load block
or weight ball, and connecting electronic devices.
4. Install wind speed indicator assembly if removed for
shipping. Use star washers to attach mounting bracket
to jib top to provide a good ground (see Wind Speed
Assembly drawing at the end of this section).
Connect electrical cable at base of wind speed mounting
bracket.
CAUTION
Tipping Hazard!
Make sure luffing jib is within radius specified in
appropriate Luffing Jib Capacity Chart BEFORE retracting
outrigger pads or swinging over either end of crawlers.
CAUTION
Structural Damage!
Luffing jib to fixed jib angle must never be less than 95°.
CAUTION
Tipping Hazard!
Make sure fixed jib is within radius specified in
appropriate Fixed Jib Capacity Chart BEFORE retracting
outrigger pads or swinging over either end of crawlers.
FIGURE 4-21
CAUTION
Structural Damage!
Luffing jib to fixed jib angle must never be
less than 95°.
Fixed
Jib
A1228
Boom to Luffing Jib Angle
from Assemble-In-Air Raising
Procedure drawing.
Luffing
Jib
Boom

Manitowoc 999 Specifications

General

Brand	Manitowoc
Model	999
Category	Construction Equipment
Language	English