Genie GR-12 Service Manual page 63

November 2005
REV B
7 Remove the cover from the top of each column.
8 Remove the adjustment nuts from all of the
sequencing cables.
9 Slide the carriage toward the top of the mast
assembly enough to remove the tension on the
lifting chains.
10 Slide the column below the carriage toward the
top of the mast assembly approximately
6 inches / 15 cm to access the idler wheel
mounting fasteners.
11 Hold the idler wheel axle from turning by placing
a screwdriver through the hole in the axle.
Remove the axle mounting fasteners and
remove the idler wheel assembly.
Label the location and orientation
of each idler wheel assembly.
12 Remove the adjustment nuts from the chain
tension rocker on the carriage.
13 Slide the carriage out the bottom of the mast
assembly.
14 Lay the chains out on the floor at the top of the
mast.
Do not allow the chains to become
twisted or dirty.
15 Remove the adjustment nuts from the chain
tension rocker on the column.
16 Remove the column by sliding the column out
the bottom of the mast.
Part No. 84700
17 Push the next column toward the top of the
mast to access the idler wheel assembly
mounting fasteners.
18 Hold the idler wheel axle from turning by placing
a screwdriver through the hole in the axle.
Remove the axle mounting fasteners, and
remove the idler wheel assembly.
19 Remove the adjustment nuts from the chain
tension rocker on the column.
20 Slide the column out the bottom of the mast.
21 Repeat steps 17 through 20 for each remaining
column.
GR-12 • GR-15 • GR-20
Section 4 • Repair Procedures
MAST COMPONENTS
If the chains are to be removed,
mark the location and label each
chain before removal.
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