Terex Genie GTH-1256, Руководство по обслуживанию и ремонту

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3-4 GTH-1256 Part No. 1272856
September 2016 Section 3 • Repair Procedures
7 At the fork end of the boom, remove the
tensioning screw "n" and relevant nuts and
counternuts.
8 Remove plate "o".
9 Loosen both screws "p".
10 Pull out block "q" to reach and remove the
retaining fasteners "r" of chain anchor plate.
11 Securely attach a guide rope to the chain. This
will be used to install the new chain.
Note: The guide rope must be securely
attached to the chain before removal. If the
rope becomes disconnect from the chain
during removal, the installation of the new
chain will be dif
fi cult.
12 At the pivot end of the boom, remove the chain
by pulling it out of the boom assembly.
13 Remove the rope from the old chain and attach
it to the new chain.
14 Using the assistance of a second operator,
install the chain by pulling the guide rope
from the fork end of the boom while the other
operator guides the chain from the pivot end of
the boom.
15 Remove the guide rope.
16 Connect the chain to the chain anchor plate by
means of the retaining fasteners "r".
17 Install block "q" back into the slot on the boom.
18 At the pivot end of the boom, install the upper
screws securing the upper chains "f" - "g".
19 Install the pulleys and pins previously removed
from the pivot end of the boom.
20 Install plate "o".
21 Install screw "n" and proceed with chain
tensioning.
22 Tighten screws "p".
23 Extend and retract the boom to insure it
operates smoothly.
NOTICE
Component damage hazard.
Chains can be damaged if the
boom is used while the chains
are out of adjustment. Do not
return the machine to use until
the chains have been correctly
adjusted.
n
o
q
r
p
BOOM COMPONENTS