Manitowoc National Crane NBT60L User Manual

NATIONAL CRANE Published 09-06-2019 Control # 691-01 4-11
NBT60L OPERATOR MANUAL SET-UP
4
Setting Offset from 0° to 30°
1. Extend and set the outriggers. See “Setting the
Outriggers” on page 4-2. Swing the boom over rear of
truck chassis.
2. Slowly lower the boom until the tip of the jib is on the
ground and the pressure on the offset pin is relieved.
3. Remove the lock pins (1, Figure 4-6), washers (2), and
offset pins (3).
4. Install the washers (2), offset pins (3), and lock pins (1)
in the storage bushings (4). Secure with lock pin spring
clips.
5. Deploy the offset mast in the extended up position. See
Setting the Offset Mast, page 4-13.
6. Connect the RCL connector.
7. Slowly elevate and telescope the boom at the same time
until the offset shaft takes the full load of the jib.
Setting Offset from 0° to 15°
1. If not done, extend and set the outriggers. See “Setting
the Outriggers” on page 4-2. Swing the boom over rear
of truck chassis.
CAUTION
The mast assembly (10, Figure 4-4) must be positioned
on top of the base section before attempting to use the jib
at the 0, 15, or 30 degree offset positions. Failure to do so
can cause damage to the mast and/or jib adapter.
CAUTION
Do not overload the jib or the attachment points when
lowering the boom.
FIGURE 4-6
30-degree offset
setting shown
Storage
9635
2
3
1
Spring Clip
9694
1
2
3
4

Manitowoc National Crane NBT60L Specifications

General

Brand	Manitowoc
Model	National Crane NBT60L
Category	Construction Equipment
Language	English