Genie GR-12 - How to Inspect the Lifting Chains

May 2018 Service Manual
Mast Components
Part No. 1275811GT GR
™
• QS
™
R • QS
™
W 83
10-3
Lifting Chains
How to Adjust the Lifting Chains
1 Mark the column to be adjusted.
2 Raise the platform approximately 6 feet / 2 m.
3 Place a lifting strap of suitable capacity from
an overhead crane under the platform.
Support the platform. Do not apply any lifting
pressure.
Component damage hazard.
The platform railings can be
damaged if they are used to lift
the platform. Do not attach the
lifting strap to the platform
railings.
Turn the adjustment lock nuts evenly on both sides
of the chain tension rocker clockwise to raise the
column or counterclockwise to lower the column.
Note: The chain tensioner rocker is located near
the bottom of each column.
4 Fully lower the platform and confirm the
alignment of the columns. Repeat steps 2
through 5 if necessary.
5 Confirm that the chain tensioner bracket is
centered in the inspection hole.
1 lifting chain
2 chain terminal
3 chain tension rocker
4 adjustment lock nut
5 mast column
6 inspection hole