Manitowoc National Crane NBT30H-2, Service Manual

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BOOM MAINTENANCE NBT30H-2 SERVICE MANUAL
4-10
03-20-2019 Control # 613-06
6. Install the telescope cylinder the rest of the way into the
boom assembly.
7. Insert the extend cable anchor assembly into the base
end of the 2
nd
section (Figure 4-16).
8. Thread the extend cable through the extend cable
anchor assembly.
9. Install the following onto the extend cable in the
following order:
a. Spacer
b. Round washer
c. Jam nut
d. Hex nut
e. Cable protector
f. Retainer plate
g. Two cap screws
2
nd
/3
rd
/4
th
BOOM SECTION INSTALLATION
1. Slide the 2
nd
/3
rd
/4
th
, section assemblies into the 1
st
section until 1.2 to 1.5 m (4 to 5 ft) of the assembly is left.
2. Install the lower wear pads at the front end of the 1
st
section and secure with cap screws (Figure 4-17).
3. Install the side wear pads and shims as required. Secure
with cap screws
4. Install the upper wear pad and secure with a flat washer
and cap screws.
FIGURE 4-15
Cap Screws
FIGURE 4-16
Item Component
1 Cable Protector
2 Hex Nut
3 Jam Nut
4 Flat Washer
5 Anchor Assembly
6 Cap Screw
7 Retainer Plate
8 Extend Cable
9 Spacer
Item Component
1
2
3
4
5
6
7
8
9
Base End of 2
nd
Section