Manitowoc 1400A User Manual

BOOM MAINTENANCE SERVICE MANUAL 1400A
4-22 1-21-2019 Control # 104-07
4. Tightening until the retraction gap between the first and
second section and the retraction gap between the
second and the third are equal.
At this time the second and first extendable sections should
extend and retract equally and bottom out against the stops
simultaneously.
234 and 432 cable balancing
Extension
1. Measure the extension gaps between the third and
fourth section and the second and third section.
If the extension gap between third and fourth section is less
than the extension gap between the second and third
section;
2. Tighten the 234 extend cable located at the back top of
the second section the difference in the extension gap
measurements.
3. Extend and retract the boom a few times and then
repeat measuring the extension gaps.
The fourth section should have moved out.
4. Tightening until the extension gap between the third and
fourth section is equal to the extension gap between the
second and third section.
Retraction
1. Measure the retraction gaps between the second and
third section and the third and fourth section.
If the retraction gap is greater between the third and fourth
section than the retraction gap between the second and third
section;
2. Tighten the 432 retract cable located at the front bottom
of the second section the difference in the retraction gap
measurements.
3. Extend and retract the boom a few times and then
repeat measuring the retraction gaps.
The fourth section should have moved in.
4. Tightening until the retraction gap between the third and
fourth section is equal to the retraction gap between the
second and third section.
At this time the all extendable sections should extend and
retract equally and bottom out against the stops
simultaneously.
Cable Retention
Cable Retention Hardware
FIGURE 9
8859-1
3
4
6
5
2
1
8859-2
3
4
5
2
1
OPTION 2
OPTION 1
Item Description
1 Threaded Cable End
2 Nut (Adjustment)
3 Nut (Positive Lock)
4 Setscrew
5
Washer
6 Nut (Torqued)
Item Description
Fo
r
Reference
Only

Manitowoc 1400A Specifications

General

Brand	Manitowoc
Model	1400A
Category	Construction Equipment
Language	English