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SET-UP
OPERATOR MANUAL
NBT60XL
4-6
Published 11-01-2020 Control # 710-00
19.
Disconnect A2B/RCL cord (18) going to boom A2B
switch and attach to quick coupler on jib A2B/RCL wire
(12, Figure 4-3) on rear of jib between the upper and
lower jib lugs.
20.
If equipped, remove capscrew, flat washer, lock washer,
and the anemometer from the boom. Install the wind
speed indicator on the end of the jib using capscrew, flat
washer, and lock washer. For more information, see
Wind Speed Indicator (Optional)
21.
Install jib swing pin (5, Figure 4-3) and spring clip into jib
lugs.
22.
For manually extendable telescoping jib, pull the spring
clip and jib retaining pin (9, Figure 4-3), and extend
second section out by pulling on sheave case. The
second section jib, as it extends, will hit a mechanical
stop that allows for jib retaining pin installation. Install
retaining pin and spring clip.
23.
Make ATB cable (Figure 4-4) connections as required.
Stowing Procedure
NOTE:
Depending on the length of the jib being used, the
crane can be equipped with either a two section or
one section jib. Certain stowing instructions may
apply to only one or the other and will be noted so.
1.
Using lift function, lower boom so that side attachment
pins (6 and 7, Figure 4-3) are easily accessible from the
ground.
NOTE:
When lowering the boom below horizontal, two
persons may be required. With the telescope
control in neutral, the boom may slide out when
below horizontal.
2.
Two section telescoping jib — For manually extendable
jibs, pull jib retaining pin (9, Figure 4-3) and fully retract
extendable 2
nd
section into the tele 1. Retraction of 2
nd
section may be facilitated by attaching loadline wedge
socket to jib nose. Slowly activate the hoist up function
until the 2
nd
section is fully retracted.
3.
Two section telescoping jib — Reinstall jib retaining pin
(9, Figure 4-3) through the 1
st
and 2
nd
section jib
assembly and install spring clip.
4.
Remove loadline from jib sheave case and the mast
assembly. Place loadline in area to avoid possible
damage from stow procedure.
5.
Disconnect A2B/Rewire connector (12, Figure 4-3) at
rear of the jib. Re-connect A2B/RCL switch connector on
boom tip. Move weight/chain assembly to boom tip see
Figure 4-10.
6.
Lower the mast assembly (10, Figure 4-4). Secure with
retaining clip and pin. For more information, see
7.
Attach tag line to sheave case end of jib.
8.
Remove spring clips from left side attachment pins (7,
Figure 4-3 and Figure 4-4) on both upper and lower jib
lugs.
9.
Remove jib swing pin (5, Figure 4-3) from the boom
nose.
10.
Remove left side attachment pins (7, Figure 4-3 and
Figure 4-4) from upper and lower jib lugs. Do not remove
right side attachment pins (6) at this time. The right side
attachment pins (6) will be used as a pivot point to swing
jib into stowed position. A slight hammer strike may be
necessary to remove pins.
11.
Raise the boom to the horizontal position.
12.
Extend boom as follows for the type of jib being stowed:
-
Telescoping jib: approximately 30 cm (12 in)
-
Lattice jib: no more than 25 cm (10 in)
13.
Using tag line attached to jib sheave case, slowly swing
jib into stowed position (parallel with tele 1 boom), the
right side attachment pins (6, Figure 4-3) are the jib pivot
points during this operation.
DANGER
Visually check all pin positions and make sure the jib is
fully retracted into side stow brackets, jib stow attachment
is secure, and all pins and spring clips are in their proper
locations. Failure to properly secure the jib during stowing
and erecting may allow the jib to fall. Serious personal
injury or death could result.
Always have at least one, if not both, of the following in
place at all times:
•
Side stow bracket completely engaged into stow
hook with stow pin A properly in place.
•
Both pins (6, Figure 4-3) in upper and lower jib holes
properly in place through mating holes on boom tip.
!
CAUTION
Always use proper eye protection during this step.
CAUTION
When stowing to the lattice jib, do not extend the boom
more than 25 cm (10 in). Stowing the lattice jib when the
boom is extended more than 25 cm (10 in) will result in
damage to the lattice jib.
Fo
r
Reference
Only