Challenger Lifts LE12 Installation, Operation & Maintenance Manual page 5

A
NCHORING
4) The anchor bolts must be installed at least
8" from any crack, edge, or expansion joint.
5) Use a concrete hammer drill with a 3/4 inch
carbide bit. Tip diameter should conform to
ANSI Standard B94.12-1977 (.775 to .787).
Do not use excessively worn bits or bits
which have been incorrectly sharpened. A
core bit may be necessary if an obstruction
is encountered. Never substitute with
shorter anchor.
6) Recheck "Inside of Columns" dimension,
Fig. 1. Drill the anchor holes using the base
plate as a template. Drill through the floor if
possible or to a depth of 5 inches minimum.
7) Vacuum dust from the hole for proper
holding power.
8) Shim both columns to plumb using the
shims provided as shown in Fig. 2. DO NOT
shim more than 1/2" at any given point. Use
a level no less than 24" in length to plumb
columns.
9) Assemble washer and nut to anchor with nut
just below impact section of bolt. Drive
anchor into hole until nut and washer
contact base.
Fig. 2 –
Column Shimming
10) Tighten power column anchors and recheck
column for plumb. Re-shim if necessary.
Torque to 150 foot-pounds to set anchors.
O / L S
VERHEAD IMIT WITCH
11) Raise and install Overhead Assembly using
M12 x 30 Hex Bolts.
12) Install Overhead Limit Switch under the
Overhead Assembly on the Power Side.
Route cable around outside of column as
shown in Fig. 3
.
13) Check idler column
additional shims (see Fig. 2) to remove any
gaps that may have been created while
installing overhead beam. Tighten anchor
bolts and re-check column for plumb.
Torque to 150 foot-pounds.
Model LE12
Installation, Operation and Maintenance
shimming. Use
Page 5
Fig. 3 - Limit Switch
S C
YNCHRONIZER ABLES
14) Manually raise each carriage into the
second lock position.
15) At the upper beam sheave locations
disassemble and reassemble the cable
trapping rod to install the cable onto the
sheave, See Fig. 4.
bottom sheave will need to be removed then
reassembled.
Fig. 4-Cable Trapping
16) Attach one end of synchronizing cable to
carriage. See Fig. 5 for proper attachment.
17) Route cable up and over sheave in
overhead. Follow across to other sheave on
opposite column. Route down through
carriage to sheave in bottom of column.
Route under sheave and up to cable
attachment. Lower attachment point is used
for Standard Height Installation (175") and
the Upper attachment point is used for
Reduced Height
Use Fig. 5 for proper attachment.
18) Repeat for opposite side.
To install the cable
Installation (166").
Rev. 12/15/20
LE12-IOM-A.
doc