Genie GTH-636, Руководство по обслуживанию и ремонту

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April 2018 Service and Repair Manual
Boom Components
Part No. 1287209GT GTH-636 17
7 Repeat this procedure, beginning with step 6,
for the other chain.
8 Working at the fork end of the boom, select a
chain. Securely connect a 30 foot / 10 m
length of rope to the end of the chain. Securely
tie off the other end of the rope to the boom
structure.
9 Remove the inspection cover from the pivot
end of the boom. Remove the extension
cylinder. Refer to How to Remove the
Extension Cylinder in the Repair section.
10 Locate the chain anchors of the extension
chains at the top of boom tube 3.
1 Extension chain anchors
2 Retract chain anchor
11 Remove the fasteners securing the extension
chain anchors to the boom tubes.
12 Working at the pivot end of the boom, pull the
chain out of the boom.
Note: Rope coming loose from the chain during
removal may result in a difficult reassembly. Be
sure the rope is securely attached to the chain and
boom structure before pulling the chain out of the
boom.
13 On a workbench, remove the bow tie clip
securing the chain anchor pin to the chain
assembly. Remove the pin and chain anchor
pin from the assembly.
14 Install the chain anchors, pins and clips onto
the new chain using new cotter pins.
15 Remove the rope from the end of the old chain
and securely attach the rope to the new chain.
16 Working at the fork end of the boom, use the
rope to carefully pull the chain through the
boom just until the end of the chain is
accessible.
17 Working at the pivot end of the boom and
using the fasteners removed in step 5, install
the chain anchor onto the boom tube.
Securely tighten the fasteners. Do not over
tighten.
18 Remove the rope from the chain and install the
chain into the chain anchor of the tensioner
assembly. Secure the chain to the chain
anchor using the pin and clip removed in step
6.
19 Repeat this procedure, beginning with step 5,
for the other chains.