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Manitowoc National Crane NC1400H - Outrigger Assembly

Manitowoc National Crane NC1400H
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SERVICE 1400H OPERATOR AND SERVICE MANUAL
5-52 Published 10-30-2014 Control # 040-09
OUTRIGGER ASSEMBLY
Note: Do not use loctite on any threaded cable ends.
Always use the jam nuts and or nuts provided. When
initially assembling threaded ends of cables, thread the
first nut on past the flat so adjustment can be made later.
With the exception of threaded cable ends, Loctite must
be applied to all fasteners and all fasteners must be
tightened to the proper torque.
Outrigger wear pads and shims have been calibrated.
All shims must be reassembled for proper outrigger
operation. If locations of shims are unknown or if outrigger
sections are replaced, recalibration will be necessary.
1. Install hydraulic feed tubes into the 2nd section
outrigger.
2. Install wear rings into outrigger leg. Assemble outrigger
jack cylinder into the 2nd section outrigger leg, install the
retainer plate by sliding the plate under the jack cylinder
butt plate. Install lock plate and capscrews.
3. Install holding valve on jack cylinder, use caution to get
proper O'ring placement. Install hydraulic fittings onto
holding valve, attach feed tubes.
4. Install wear pads and shims to 2nd section outrigger.
With 1st section outrigger on suitable horizontal surface,
assemble 2nd section into 1st section, slide in until 2nd
section stops.
5. Install side wear pads and shims between 2nd and 1st
outrigger sections. Raise the 2nd section and install the
bottom front wear pads and shims.
6. Assemble proportioning cable sheave with pin and hose
sheaves onto extend cylinder. Reeve cables and hoses
over appropriate sheaves and drape excess in area to
avoid damage.
7. Insert extend cylinder into 1st/2nd outrigger assembly,
use caution, avoid pinching cables and hoses during this
operation. Roll cylinder into section on hose sheaves
and lift cylinder up to allow cable anchor access.
8. Install bulkhead fittings in anchor plate assembly, attach
jack cylinder hoses.
9. Assemble proportioning cable button into cable anchor
and install anchor in 2nd section outrigger. Assemble
jack cylinder feed tubes to bulkheads on anchor.
10. Route cables thru sheave hole on bottom of 2nd
outrigger section, reeve cables around dual sheave and
install sheave, pin and snaprings
11. Lower cylinder, allowing cylinder anchor collar to engage
into U shaped anchor points on the side plates of the 1st
outrigger section.
12. With 1st/2nd section assembly on suitable horizontal
surface, install appropriate wear pads and shims.
13. Attach cables, bulkhead fittings and hoses to cylinder
buttplate for ease of assembly and to avoid damage
during assembly of 1st/2nd section into outrigger box,
depending on cylinder position this may or may not be
possible, adjust cylinder length to allow assembly.
14. Slide 1st/2nd section assembly into outrigger box, use
caution not to damage the cables sliding in under the 1st
section. Section assembly may have to be lifted to install
cable ends into the anchor points in the outrigger box.
Guide cable ends between main outrigger section and
1st/2nd assembly and back thru anchor points. Install
anchor hex nuts in previously marked positions.
15. Push the 1st/2nd outrigger assembly into the main
outrigger box, when the butt plate of the extend cylinder
reaches the anchor points, Lift the cylinder with a hoist or
prybar and drop into the U shaped anchor points on the
inside of the main outrigger box.
16. Install holding valve on extend cylinder if removed,
reassemble hydraulic feed tubes and bulkheads.
17. Install side and bottom wear pads and appropriate
shims. Install cylinder keeper plate/ end cover, and
reinstall outrigger floats.
Reference Only

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