Manitowoc 999 User Manual

Reference Only
Manitowoc Published 05-15-17, Control # 043-09 3-7
999 LUFFING JIB OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES
3
Table 3-3 Bypassable Limit Identification (S/N 9991326 and newer)
6 – Rear Drum Park Switch
Parks the rear drum (luffing hoist) when not in use.
See the Crane Operator Manual for detailed instructions on
operating the drum park switch.
7 – Boom Hoist Control
8 – Luffing Hoist Control
When the LUFFING MODE is selected and confirmed:
• The luffing hoist limits are activated.
• The rear drum operates as the luffing hoist and must be
rigged accordingly. See Section 4 for raising and
lowering instructions when equipped with a luffing jib
attachment.
See the Crane Operator Manual for drum identification
and for detailed instructions on drum operation.
For luffing jib operation, free fall must be disabled for rear
drum.
9 – Boom Angle Indicator
Shows the angle of the boom in degrees above horizontal.
The boom and luffing jib angles can also be viewed on the
digital display.
10 – Level
Indicates crane levelness from front to rear and from side to
side.
This Table Applies to Cranes Without Luffing Jib Limit Bypass Switch (5)
Limit
Limit Bypass Switch (4)
(momentary key switch)
Limit Bypass Switch (4)
(momentary key switch)
Luffing Jib Setup Mode On
1
External
Override
Switch
2
Non-CE
CE
3
Non-CE
CE
3
CE
3
Boom Up No No No No No
Block Up (each drum) Yes
Yes
6
Yes Yes No
Minimum Bail (each drum) Yes No No No No
Luffing Jib Maximum Up 1 Yes No Yes Yes No
Luffing Jib Maximum Up 2 Yes No
Yes
4
Yes
4
No
Luffing Jib Maximum Down 1 Yes No Yes Yes No
Luffing Jib Maximum Down 2
Yes
5
No
Yes
5
No No
Mast Too Far Forward No No No No No
Gantry Down Yes Yes No No No
Boom Limiter Yes Yes No No No
Swing Limiter No No No No No
Rated Capacity Indicator/Limiter Yes
Yes
6
Yes
Yes
6
Yes
7
1
Use only for rigging. The luffing jib setup mode must be turned on.
2
Cranes meeting 2010 European requirements are equipped an RCI/RCL External Override Switch located outside the
operator’s cab (see Rated Capacity Indicator/Limiter Operation Manual).
3
CE = Cranes that comply with 2010 European requirements (see NOTE below).
4
Only when boom is below 50°.
5
When this limit is contacted, operation will stop and you will not be able to continue lowering luffing jib. See Luffing Jib Max
Down 2 on page 3-8 for detailed instructions.
6
Only if boom or luffing jib is below allowable angle given in Capacity Chart (while raising or lowering boom and luffing jib
from or to ground level).
7
When the external bypass is in override, the speed of the crane functions are limited to 15% of their maximum speed for
movements that increase load.

Manitowoc 999 Specifications

General

Brand	Manitowoc
Model	999
Category	Construction Equipment
Language	English