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Manitowoc National Crane NC1400H - Top and Bottom Pads

Manitowoc National Crane NC1400H
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SERVICE 1400H OPERATOR AND SERVICE MANUAL
5-56 Published 10-30-2014 Control # 040-09
Outrigger Calibration (continued)
NOTE: All measurements are in inches (mm)
Top and Bottom Pads
1. With a pair of inside/outside calipers, measure the inside
height of the outer section (H
i
) three feet from the front of
the section and record.
2. With the inside/outside calipers, measure the outside
height of the inner section (H
o
) at the rear of the section
from the top plate to the bottom of the bottom pads and
record.
3. Measure the thickness of the top wear pads that attach
to the inner section and record (t
wp
).
4. Subtract the outside height (H
0
) of the inner section and
the thickness of the top pads (t
wp
) from the inside height
(H
i
)of the outer section. Add shims as required [each
shim is 0.03 or 0.06 (0,8 or 1,6) thick] to tighten the pads
so that there is 0.03 - 0.06 (0,8 -1,6) clearance between
the widest part of the inner outrigger and the most
narrow part of the outer outrigger when shims and pads
are installed. See example.
5. Install the inner outrigger section into the outer outrigger
section. Nominal front bottom pad and shim thickness
should allow the inner outrigger section to extend
parallel with the outer outrigger section. If adjustment is
necessary, raise the inner section outrigger up and
adjust the lower front shims to level the outrigger section
extension. Shim the top front wear pads as required to
provide 0,03 - 0,09 (0,8 - 2,4) total section clearance.
6. Repeat procedure when installing 1st/2nd outriggers
into outrigger boxes on subbase.
OUTSIDE
CALIPERS
INSIDE
CALIPERS
OUTER SECTION
INNER SECTION
t
wp
t
wp
Reference Only

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