Challenger Lifts CL12 Series Instruction manual

Rev. 10/23/19
Installation, Operation & Maintenance Manual
Two Post Surface Mounted Lift
MODEL CL12
12,000 LBS.CAPACITY
3000 LBS.PER ARM
2311 South Park Rd, Louisville, Kentucky 40219
Email:[email protected] Web site:www.challengerlifts.com
Office 800-648-5438 /502-625-0700 Fax [phone]
IMPORTANT: READ THIS MANUAL COMPLETELY BEFORE
INSTALLING or OPERATING LIFT

Model CL12
Installation, Operation and Maintenance
Page 2
Rev. 10/23/19
CL12-IOM-A.doc
GENERAL SPECIFICATIONS
See Figure 1 CL12-LC CL12-0 CL12-1 CL12-2
AColumn Height 11’-11” 13’-2” or 13’- 8” 14’-2” or 14’- 8” 15’-2” or 15’- 8”
BFloor to Overhead Switch 11’-4 ½” 12’-8”or 13’- 2” 13’-8” or 14’- 2” 14’-8” or 15’- 2”
CRise Height (Screw Pads Highest Position) 74 ¾” 78 ¾”
Cylinder Stroke 68” 72”
DScrew Pad Height 5” to 6 5/8”
Screw Pad Height w/ 3” or 6” Stack Adapters 8” to 9 5/8” or 11” to 12 5/8”
EOverall Width 142”
FInside of Columns 114 ½”
Drive Thru Clearance 103 ½”
Ceiling Height Required 12’ 13’-3” or 13’- 9” 14’-3” or 14’- 9” 15’-3” or 15’- 9”
Lifting Capacity*
(Hydraulic Pressure at Cap.)
12,000 lbs. (3000 lbs. Per Arm)
(2600 psi)
Rise Time (approx..) 60 Sec. 63 Sec.
Motor 2HP, Single Phase, 60Hz, 208/230
Optional – 2HP, Three Phase, 50/60Hz, for 208 or 230 or 460
* Lift capacity ratings are based on loads equally distributed on all four arms.
Fig. 1a - General Specifications Fig. 1b - Service Bay Layout

Model CL12
Installation, Operation and Maintenance
Page 3
Rev. 10/23/19
CL12-IOM-A.doc
WARNING
VERTICAL CLEARANCE
Check the height of the area where the lift is to be
installed. Clearance should be calculated based on
the full raised height of the lift.
Failure by purchaser to
provide adequate clearance
could result in unsatisfactory
lift performance, property damage, or personal
injury.
FLOORING
Be certain you have the proper concrete floor to
properly handle the loaded lift. Floor should be in
generally good condition with no large cracks,
spalling or deterioration.
Minimum requirements for concrete are 4 inches
minimum depth, with steel reinforcement, 3500
psi, cured for 28 days per local commercial
practice. Floor should be level within 3/8 inch over
the installation area. No anchors should be installed
within 8 inches of any crack, edge, or expansion
joint. If these conditions cannot be met, a pad may
be poured to accommodate the lift.
Check with local building inspectors and/or permits
office for any special instructions or approvals
required for your installation.
A qualified person should be consulted to address
seismic loads and other local or state requirements.
Failure by purchaser to
provide the recommended
mounting surface could result
in unsatisfactory lift performance, property
damage, or personal injury.
LOCATION
This lift has been evaluated for indoor use only with
an operating ambient temp. range of 5 – 40°C (41–
104°F)
ELECTRICAL REQUIREMENTS
For lift installation and operation, it is necessary to
have a dedicated circuit with circuit breaker or time
delay fuse. Refer to wiring diagram for circuit sizing.
SAFETY NOTICES AND DECALS
For your safety, and the safety of others, read and
understand all of the safety notices and decals
included here.
READ ENTIRE MANUAL BEFORE ASSEMBLING,INSTALLING,
OPERATING,OR SERVICING THIS EQUIPMENT.
PROPER MAINTENANCE AND INSPECTION IS NECESSARY
FOR SAFE OPERATION.
DO NOT OPERATE A DAMAGED LIFT.
Safety decals similar to those shown here are found
on a properly installed lift. Be sure that all safety
decals have been correctly installed. Verify that all
authorized operators know the location of these
decals and fully understand their meaning. Replace
worn, faded, or damaged decals promptly.
Do not attempt to raise a
vehicle on the lift until the lift
has been correctly installed
and adjusted as described in this manual.
WARNING
WARNING

Model CL12
Installation, Operation and Maintenance
Page 4
Rev. 10/23/19
CL12-IOM-A.doc
RECEIVING
The shipment should be thoroughly inspected as
soon as it is received. The signed bill of lading is
acknowledgement by the carrier of receipt in good
condition of shipment covered by our invoice.
If any of the goods called for on this bill of lading are
shorted or damaged, do not accept them until the
carrier makes a notation on the freight bill of the
shorted or damaged goods. Do this for your own
protection.
NOTIFY Challenger Lifts AT ONCE if any hidden
loss or damage is discovered after receipt.
IT IS DIFFICULT TO COLLECT FOR LOSS OR
DAMAGE AFTER YOU HAVE GIVEN THE
CARRIER A CLEAR RECEIPT.
File your claim with Challenger Lifts promptly.
Support your claim with copies of the bill of lading,
freight bill, and photographs, if available.
Component Packing List
PART #
QTY
/
LIFT
DESCRIPTION
12705-P-* 1 POWER COLUMN ASSEMBLY
12705-I-* 1 IDLER COLUMN ASSEMBLY
CL12-LC-HW-
A 1 HARDWARE BOX
B12800 4 3-STAGE ARM ASSEMBLY
12733-143
2
COLUMN EXTENSION ASSY CL12-
LC
12733-164 COLUMN EXTENSION ASSY CL12-
0
12733-176 COLUMN EXTENSION ASSY CL12-
1
12733-188 COLUMN EXTENSION ASSY CL12-
2
A2066 1 OVERHEAD SHUTOFF BAR ASSY
A1208 1 OVERHEAD LIMIT SWITCH
12732-* 2 SYNC.CABLE ASSEMBLY
12775 2 CABLE TAKE UP TUBES
B2206-6 2 ADAPTER EXTENSION (6”)
B2206-3 4 ADAPTER EXTENSION (3”)
B2209 2 ADAPTER RACK
AB-11531 1 POWER UNIT –SINGLE PHASE
CL12-LC-LP-A 1 LITERATURE PACK
INSTALLATION
IMPORTANT:Always wear safety glasses while installing lift.
TOOLS (MINIMUM REQUIRED)
a. Tape measure, 16ft
b. Chalk line
c. 4ft level
d. 10” adjustable wrench
e. Standard open end wrenches 7/16”, 1/2",
(2) 9/16”, (2) 11/16”, 3/4"
f. 5/16” allen wrench
g. Needle nose pliers
h. Hammer drill with 3/4” dia. carbide tipped bits
i. 2 lb hammer
j. Torque wrench: 150 ft.-lbs. min. w/ 1-1/8” socket
k. 12 ft. Step ladder
l. Anti-Seize lubricant (for arm pins and foot pad
screw threads and stop rings)
LIFT PREPARATION
1) With column assemblies lying flat, remove cable
and hose rolls from inside the columns and
manually push carriages up to gain access to
sheave at base of column.
2) Remove hex bolt and cable trapping pin from
sheave bracket, Fig. 2.
3) Route cables as shown in figure shown below.
Ensure cables do not wrap around hoses during
routing.
4) Re-install cable trapping hardware and slide
carriage and cylinder back down to base of lift.
Ensure hydraulic hose is routed around base
tabs properly to prevent rotation of the cylinder.
Fig. 2 – Cable Routing LAYOUT

Model CL12
Installation, Operation and Maintenance
Page 5
Rev. 10/23/19
CL12-IOM-A.doc
5) Layout the service bay according to the
architect’s plans or owner’s instructions (see Fig.
1b). Failure to install in this orientation can
result in personal and property damage. Be
certain that the proper conditions exist, see pg 3.
6) Assemble column extension to column by lining
up the correct set of holes and use the 3/8”-16 x
3/4" lg. hex flange head bolts, Fig. 3. Note: the
column extensions are adjustable by 6”,
except for the CL12-LC. Repeat for opposite
column and extension.
7) Erect and align both column assemblies.
Fig. 3 – Column Extension Assembly
LOCK PAWL
8) Install the lock components on the Power & Idler
columns as shown in Fig. 4a & 4b. The D-Ring
Connector will have to be bent closed.
Fig. 4a – Power Locking Pawl Assembly
Fig. 4b – Idler Locking Pawl Assembly
ANCHORING
9) The anchor bolts must be installed at least 8”
from any crack, edge, or expansion joint.
10) 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.
11) 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.
Complete steps 12 thru 15 for the six (6) exposed
anchors around each column, then raise the
carriages. Repeat steps 11 thru 15 for the two (2)
anchors under each carriage.
12) Vacuum dust from the hole for proper holding
power.
13) Shim both columns to plumb using the shims
provided as shown in Fig. 5. DO NOT shim more
than 1/2" at any given point. Use a level no less
than 24” in length to plumb columns.
14) 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. 5 – Column Shimming
15) Tighten power column anchors and recheck
column for plumb. Re-shim if necessary. Torque
to 150 ft.-lbs. to set anchors.

Model CL12
Installation, Operation and Maintenance
Page 6
Rev. 10/23/19
CL12-IOM-A.doc
OVERHEAD
16) Before raising overhead into position install 4
each (2 per column) hex flange bolts and nuts in
bottom hole of column extension (see Fig. 6
Installation Aid) for temporary support of
overhead. Lift overhead assembly up into
position and install with 8 each (4 per column)
3/8”-16 x 3/4” lg. hex flange bolts and hex flange
nuts per side as shown in Fig. 6.
Fig. 6 – Overhead Assembly
17) Check idler column shimming. Use additional
shims (see Fig. 5) to remove any gaps that may
have been created while installing overhead
beam. Torque idler column anchor bolts to
150 ft-lbs. and re-check column for plumb.
18) Install Overhead Limit Switch to the Overhead
Beam using the rear set of holes on the Power
Side of the lift. Fig. 7. Note: lay the junction in
the overhead, install later.
Fig. 7 – Overhead Limit Switch Power Side
19) Install the Idler Bracket to the Overhead Beam
using the rear set of holes on the Idler Side of
the lift. Fig. 8. Note the orientation of the Idler
Bracket. The narrow slot needs to be facing
towards the Power Column. Slide the Shutoff
Bar over the limit switch on the Power Side. Pin
the Shutoff Bar to the Idler Side Bracket with the
10mm dia. x 55mm Lg. clevis pin & hairpin
cotter.
Fig. 8 – Overhead Bracket Idler Side
SYNCHRONIZER CABLES
20) Manually raise each carriage to the lowest lock
position. Ensure both locks are fully engaged.
Ensure top of the hydraulic cylinder remains
retained in the opening of the carriage top plate.
Failure to follow previous step
could result in personal injury.
21) Route free end of cables up and over the upper
sheaves and back down the opposite side. At
the upper sheave locations, disassemble and
reassemble the cable trapping hardware after
cables are routed around sheaves, Fig. 9.
Fig. 9 – Column Ext. Cable Trapping
C A U T I O N

Model CL12
Installation, Operation and Maintenance
Page 7 Rev. 10/23/19
CL12-IOM-A.doc
22) Mount synchronizer cables to carriages as
shown in Fig. 10. Note: Do Not Use the 12”
take-up pipe on the 13’-8”, 14’-8”, & 15’-8”
heights.
Fig. 10 – Cable Assembly/ Cable Extensions
Power Unit & Hydraulic Lines
Fig. 11a – Idler Hose Routing & Hose Brackets
23) Install the Hose Guide Brackets and Hose
Support Tabs to both the Idler & Power Columns
using the supplied hardware. Uncoil Idler side
hose and route through the Idler Side column
extension as shown in Fig. 11a, taking care to
avoid the synchronizing cables and hydraulic
cylinder path. Remove slack and tighten the
clamp. Route hose across overhead avoiding
the synchronizing cables and down through the
Power Side column extension as seen in
Fig.11a. Do Not Tighten the Clamp at this time.
Note: CL12-1 & CL12-2 will require extension
hoses (supplied) to be used with the Idler
hose.
24) Install the hose clamps to the idler hose and
fasten to the overhead with the supplied
hardware Fig.11b.
Fig. 11b – Idler Hose Clamps
25) Connect the power hose to the idler hose using
tee fitting. Install the power unit hose to the tee in
the power column. Remove slack out of the
power hose and tighten the clamp. Fig. 12.
Note: CL12-1 & CL12-2 will require extension
hoses (supplied) to be used with the Power
hose.
Fig. 12 – Power Side Hose Routing

Model CL12
Installation, Operation and Maintenance
Page 8 Rev. 10/23/19
CL12-IOM-A.doc
IMPORTANT – To insure proper hose fitting seal
without damage to the fitting follow this
procedure for each hose connection: Screw flared
fitting on finger tight. Rotate flared fitting 1 1/2 hex
flats (90 deg.). Back the flared fitting off one full turn.
Again tighten flared fitting finger tight, then rotate
flared fitting 1 1/2 hex flats (90 deg.).
Fig. 13 – Power Unit & Hose Mounting
26) Mount Power Unit to power unit bracket on the
column as shown in Fig. 13. The mounting
hardware, (4) 5/16”-18 hex nuts, are pre-installed
on power unit mounting bracket. Thread 9/16”-18
O-ring elbow (in hardware box) into power unit.
Attach free end of power unit hose to elbow,
Fig.13.
27) Connect the power unit hose line to the column
extension with a hydraulic line clamp, 1/4”-20 x
3/4" bolt, 1/4" nylon spacer, and 1/4”-20 nut,
Fig.13.
28) Attach the power unit hose to the column and
column extension using the hose clamps, Fig.13.
29) Hoses should connect to cylinders with a 90
degree elbow rotated 45 degrees upward and be
routed thru hose guide, Fig. 14.
Fig. 14 – Hose Connection
30) BE CERTAIN ALL FITTINGS AND CONNECTIONS ARE
TIGHT. IT IS THE INSTALLERS RESPONSIBILITY TO
INSURE SYSTEM IS LEAK-FREE. Fill the Power Unit
with three gallons of clean 10wt anti-foam anti-
rust hydraulic oil or Dexron III ATF. DO NOT USE
OILS WITH DETERGENTS.

Model CL12
Installation, Operation and Maintenance
Page 9 Rev. 10/23/19
CL12-IOM-A.doc
LOCK RELEASE
31) On the power column, attach lock cable
assembly to mounting tab using (2) hex jam
nuts. Bottom of stud end should stick out
approx. 3/8” from bottom hex jam nut, Fig. 15.
Note the wire lengths of the lock release cable at
each end. The longer wire lengths will be used at
the bottom side of the locking paw.
32) Connect clevis end of the cable assembly to the
lever assembly using a clevis pin and (2) E-clips,
Fig. 15.
33) Route other end of lock cable up thru power side
column extension, over and thru idler side
column extension, and down to mounting
location on idler column.
Fig. 16-Lock Release
34) Attach lock cable mounting tab to idler column
using 5/16-18 Phillips pan head screw. Rotate
slightly to be in-line with connection to lock pawl
as shown in Fig. 16.
35) Assemble ½” O.D. short spring, lock pawl, and
clevis end of lock cable as shown in Fig. 16.
36) Mount lock cable to mounting tab using jam nuts.
37) Use wire ties provided to secure both lock cables
to the hydraulic hose.
ARM INSTALLATION
38) Extend the foot pad to both extents and apply
“anti-seize” to the retaining ring.
39) Arm restraint assemblies should be installed on
carriage as shown in Fig. 17.
Fig. 17-Arm Restraint
40) Install inner arm gear to bottom of arm using (2)
M10 x 25 Hex bolts as shown in Fig. 18. Do not
tighten bolts at this time.
Fig. 18-Inner Arm Gear
41) Lubricate the arm pin or carriage arm pin hole
with “anti-seize” and install the arms.
42) Adjust placement of inner arm gear until gears
fully engage with one another throughout the
rotation of the arm and tighten bolts.
43) Adjust the hex head bolt in the bottom of the arm
restraint shaft so the arm is allowed to rotate
freely when lift is completely lowered, Fig. 19.

Model CL12
Installation, Operation and Maintenance
Page 10 Rev. 10/23/19
CL12-IOM-A.doc
Fig. 19-Bolt Adjustment
ADAPTER RACK INSTALLATION
44) Locate the two pre-drilled holes on the back of
each column 19” up from the top of the base
plate and tap 5/16-18. Center the adapter rack
and attach with 5/16-18NC Phillips Pan Head
Screws supplied, Fig. 20.
Fig 20-Adapter Rack Installation
SAFETY DECAL PLACEMENT
45) Clean surface of the rear column above the
power unit and install Safety Decals, Page 3 and
Fig. 21.
Fig. 21-Safety Decal Placement
ELECTRICAL
See Figure 23 for the following steps.
46) Wire-tie Limit Switch cord to power unit hose.
47) Connect the Overhead Limit Switch Cord to
Power Unit as shown in Fig. 23.
48) Connect Power Unit to suitable electrical source
as shown in Fig. 23.
IMPORTANT:AFTER WIRING HAS BEEN
COMPLETED,TEST OPERATION OF POWER UNIT &
OVERHEAD LIMIT SWITCH.WHILE RAISING LIFT,
OPERATE OVERHEAD SHUTOFF BAR.POWER UNIT
MOTOR SHOULD STOP WHEN SHUTOFF BAR IS
RAISED.

Model CL12
Installation, Operation and Maintenance
Page 11 Rev. 10/23/19
CL12-IOM-A.doc
FINAL ADJUSTMENTS
HYDRAULICS
49) Lower the lift to the floor and raise the lift
approximately one foot.
50) Start with Idler side first. Slowly and carefully
loosen the bleed plug on top of the cylinder just
enough to allow the entrapped air to escape.
Repeat for power side.
51) Raise lift 6 inches. Repeat step 47 until no air
comes out of cylinder.
52) Pressure test hydraulic system. Energize power
unit, raise lift to full rise and continue to run
motor for additional 10 seconds. (NOTE:
pressure relief will make a high pitch squeal
sound for these 10 seconds.) Check hydraulic
system for leaks.
53) Energize power unit again for 10 seconds. With
a clean rag, wipe down both cylinder rods. (The
cylinders are shipped with a small amount of
clear anti-corosive lubricant that will be forced
out through the wiper when the lift reaches full
rise.) If lubricant is not wiped clean from the
cylinder rod, the cylinder will apear to be
leaking.
SYNCHRONIZING CABLES
54) Raise lift and insure carriages lower into same
lock position.
55) Adjust synchronizing cables so the tension is
equal in both cables and carriages are firmly
sitting on locks.
56) Cycle lift to insure that latches operate
simultaneously. Adjust if necessary.
LOCK RELEASE
57) Raise lift and insure carriages lower into same
lock position.
58) Adjust synchronizing cables so the tension is
equal in both cables and carriages are firmly
sitting on locks.
ARM PIN KEEPER INSTALL
59) Install the arm pin into the arm assembly and
carriage.
60) Raise lift high enough to gain access underneath
the carriage. Make Sure Lift Is In Locks Before
Proceeding.
61) Slide the provided washer onto pin up against
the inner bevel gear.
62) Install the provided retaining ring onto the pin
with tool, Fig 24.
Fig 24 –Arm Pin Keeper Install
FINAL CHECKOUT PROCEDURE
63) Demonstrate the operation of the lift to the
owner/operator/employer using a typical vehicle
and review correct and safe lifting procedures
using the Lifting It Right booklet as a guide.
64) Return all provided literature (including this
manual) to the literature pack envelope and
deliver the envelope to the
owner/operator/employer.
65) Complete the online warranty registration (refer
to the included warranty statement).

Model CL12
Installation, Operation and Maintenance
Page 12 Rev. 10/23/19
CL12-IOM-A.doc
1
5
4
6
(Normally Open)
M
FIELD
CONECTIONS
FIELD
CONECTIONS
A2A1
T9
T5
T4
T6
M
T8
T3
T7
T2
T1
12
34
56
L3
L2
L1
T3
T2
T1
FACTORY WIRED FOR
208−240V
6
4
2
5
3
1
RECONNECTIONS FOR
440−480V
T3
T2
T1
T9
T6
T7
T4
T8
T5
FOR THREE PHASE
M
FOR SINGLE PHASE
Wiring Diagram
Fig. 23 – Electrical Wiring Diagram

Model CL12
Installation, Operation and Maintenance
Page 13 Rev. 10/23/19
CL12-IOM-A.doc
OPERATION PROCEDURE
SAFETY NOTICES AND DECALS
This product is furnished with graphic safety
warning labels, which are reproduced on
page 3 of these instructions. Do not remove
or deface these warning labels, or allow them
to be removed or defaced. For your safety,
and the safety of others, read and understand
all of the safety notices and decals included.
OWNER/EMPLOYER RESPONSIBILITIES
This lift has been designed and constructed according
to ANSI/ALI ALCTV-2011 standard. The standard
applies to lift manufactures, as well as to owners and
employers. The owner/employer’s responsibilities as
prescribed by ANSI/ALI ALOIM-2008, are summarized
below. For exact wording refer to the actual standard
provided with this manual in the literature pack.
The Owner/Employer shall insure that lift
operators are qualified and that they are trained
in the safe use and operation of the lift using the
manufacturer’s operating instructions; ALI/SM
93 -1, ALI Lifting it Right safety manual; ALI/ST-
90 ALI Safety Tips card; ANSI/ALI ALOIM-2008,
American National Standard for Automotive Lifts-
Safety Requirements for Operation, Inspection
and Maintenance; ALI/WL Series, ALI Uniform
Warning Label Decals/Placards; and in case of
frame engaging lifts, ALI/LP-GUIDE, Vehicle
Lifting Points/Quick Reference Guide for Frame
Engaging Lifts.
The Owner/Employer shall establish
procedures to periodically inspect the lift in
accordance with the lift manufacturer’s
instructions or ANSI/ALI ALOIM-2008, American
National Standard for Automotive Lifts-Safety
Requirements for Operation, Inspection and
Maintenance; and the employer shall insure that
the lift inspectors are qualified and that they are
adequately trained in the inspection of the lift.
The Owner/Employer shall establish
procedures to periodically maintain the lift in
accordance with the lift manufacturer’s
instructions or ANSI/ALIOIM-2008, American
National Standard for Automotive Lifts-Safety
Requirements for Operation, Inspection and
Maintenance; and the employer shall insure that
the lift maintenance personnel are qualified and
that they are adequately trained in the
maintenance of the lift.
The Owner/Employer shall maintain the
periodic inspection and maintenance records
recommended by the manufacturer or ANSI/ALI
ALOIM-2008, American National Standard for
Automotive Lifts-Safety Requirements for
Operation, Inspection and Maintenance.
The Owner/Employer shall display the lift
manufacturer’s operating instructions; ALI/SM
93 -1, ALI Lifting it Right safety manual; ALI/ST-
90 ALI Safety Tips card; ANSI/ALI ALOIM-2008,
American National Standard for Automotive Lifts-
Safety Requirements for Operation, Inspection
and Maintenance; and in the case of frame
engaging lift, ALI/LP-GUIDE, Vehicle Lifting
Points/Quick Reference Guide for Frame
Engaging Lifts; in a conspicuous location in the
lift area convenient to the operator.
IMPORTANT SAFETY INSTRUCTIONS
When using your garage equipment, basic safety
precautions should always be followed, including
the following:
1. Read all instructions.
2. Care must be taken as burns can occur
from touching hot parts.
3. To reduce the risk of fire, do not operate
equipment in the vicinity of open containers
of flammable liquids (gasoline).
4. Keep hair, loose clothing, fingers, and all
parts of body away from moving parts.
5. Use only as described in this manual. Use
only manufacturer’s recommended
attachments.
6. ALWAYS WEAR SAFETY GLASSES.
Everyday eyeglasses only have impact
resistant lenses, they are not safety glasses.
SAVE THESE INSTRUCTIONS

Model CL12
Installation, Operation and Maintenance
Page 14 Rev. 10/23/19
CL12-IOM-A.doc
LIFTING A VEHICLE
1) Insure that the lifting arms are parked, out to full
drive thru position.
2) Center the vehicle between the columns in the
service bay and position the vehicle’s center of
gravity midpoint between the columns. NOTE: the
center of gravity is based on the weight
distribution and is not the same as the center point
of the vehicle.
DO NOT EXCEED 3000 POUNDS PER ARM.
DO NOT ATTEMPT TO LIFT THE VEHICLE WITH ONLY TWO
ARMS,AS THIS WILL VOID THE WARRANTY
INSURE THAT THE HIGHEST POINT ON THE VEHICLE WILL
CONTACT THE OVERHEAD LIMIT SWITCH BAR.
DO NOT PLACE THE VEHICLE IN THE SERVICE BAY
BACKWARDS.
REFER TO THE VEHICLE MANUFACTURERS SERVICE
MANUAL,TECHNICAL BULLETINS,“VEHICLE LIFTING
POINTS GUIDE”(ALI/LP-GUIDE)OR OTHER
PUBLICATIONS TO LOCATE THE RECOMMENDED LIFTING
POINTS.
3) Position the arms and adapters so all four pads
contact the vehicle simultaneously.
The vehicle should remain level during lifting.
4) Raise the lift until all four wheels are off the
ground. Test the stability of the vehicle by
attempting to rock the vehicle. Check adapters for
secure contact with vehicle lift points. If the vehicle
seems unstable, lower the lift and readjust the
arms. If the vehicle is stable, raise the vehicle to a
height a few inches above the desired working
height.
5) Lower the vehicle until the safety latches on both
columns engage. The vehicle should remain level
when both latches are engaged. If one side
engages and the other continues to descend, stop
lowering the vehicle, raise it several inches, and
try again to engage both latches.
Always lower lift into locks before entering the
area beneath the vehicle.
Always use safety stands when removing or
installing heavy components.
LOWERING AVEHICLE
1) Insure that the area under the vehicle is clear of
personnel and tools.
2) Raise the vehicle until both latches are free.
3) Disengage the locks by pulling down on the lock
release lever.
4) Lower the vehicle by depressing the lowering
valve handle.
5) Continue to lower the vehicle until the carriages
stop against the base plate. Retract the extension
arms, and park them.
LOSS OF POWER
If for any reason the lift will not raise off of the locks
or the locks will not retract, consult factory authorized
personnel.
DO NOT OVERRIDE ANY SAFETY FEATURE IN AN
ATTEMPT TO LOWER THE LIFT.
MAINTENANCE
To avoid personal injury, permit only qualified
personnel to perform maintenance on this equipment.
Maintenance personnel should follow lockout/tagout
instructions per ANSI Z244.1.
The following maintenance points are suggested as
the basis of a routine maintenance program. The
actual maintenance program should be tailored to the
installation. See ANSI/ALI ALOIM booklet for periodic
inspection checklist and maintenance log sheet.
If lift stops short of full rise or chatters, check fluid
level and bleed both cylinders per Installation
Instructions.
Replace all Safety, Warning or Caution Labels if
missing or damaged (See Installation
instructions page 3.)
Daily
Keep lift components clean.
Check for loose or broken parts.
Check hydraulic system for fluid leaks.
Check adapters for damage or excessive wear.
Replace as required with genuine Challenger Lifts
parts.
Check the lock release activation. When properly
adjusted, both locks should be in a vertical position
when lock release lever is pulled and should return
to an engagement position when the lever is
released.
Weekly
Check synchronizer cables and sheaves for wear.
Replace as required with genuine Challenger Lifts
parts.
Check synchronizer cable tension per Installation
Instructions. Adjust if necessary.
Monthly
Torque concrete anchor bolts to 80 ft-lbs.
Visually inspect concrete floor for cracks and/or
sprawls within 12” of base plate
Check overhead shutoff switch. While raising lift,
operate overhead shutoff bar. Power Unit motor
should stop when bar is raised.
Lubricate carriage slide tracks with heavy viscous
grease. (Grease all (4) corners of both columns.)
If any problems are encountered, contact your
local service representative.

Model CL12
Installation, Operation and Maintenance
Page 15 Rev. 10/23/19
CL12-IOM-A.doc
PARTS BREAKDOWN
Fig A. Column Extension & Overhead
ITEM # PART # QTY/LIFT DESCRIPTION
1 12710-P 1 POWER COLUMN WELD
12710-I IDLER COLUMN WELD
2
12734-143
2
COLUMN EXTENSION WELD FOR CL12-LC
12734-164 COLUMN EXTENSION WELD FOR CL12-0
12734-176 COLUMN EXTENSION WELD FOR CL12-1
12734-188 COLUMN EXTENSION WELD FOR CL12-2
3 12741 1 OVERHEAD
4 A2067 1 SHUTOFF BAR
5 31129 1 SHUTOFF BAR CUSHION
6 B2064-01 1 LIMIT SWITCH PACKAGE
(INCLUDES SWITCH w/ CORD, BOTH BRACKETS, & ITEMS 7-10)
7 B2065-3 4 M6 x 14mm PHILLIPS PAN HEAD SCREW
8 B2065-4 4 M6 SERRATED FLANGE HEX NUT
9 B2065-5 1 CLEVIS PIN 10mm x 55 Lg.
10 GJY12-3 1 HAIRPIN COTTER
11 A1153 30 3/8-16NC HEX. FLG. HD. C.S x ¾” Lg.
12 A1154 38 3/8-16NC HEX. FLG. NUT
13 A1122-12 2 HYD. HOSE CLAMP
14 A2159 4 3/8-16NC x 3” Lg. HEX HEAD CAP SCREW
15 12745 2 HOSE GUIDE BRACKET (PIPE)
16 A2125 8 1/4-20NC x 3/4" Lg. SER. FLG. CAP SCREW
17 40085 8 1/4-20NC HEX. FLG. NUT
18 12750 2 HOSE SUPPORT BRACKET (T)
19 40346 8 ZIP TIE 8” Lg. (FOR PENDANT CORDS, DPC ONLY)
20 31118 4 ZIP TIE 3 1/2" Lg. (FOR LOCK RELEASE CABLE)
Replace all worn, damaged, or broken parts with parts approved by Challenger Lifts Inc.
or with parts meeting Challenger Lifts Inc. specifications.
Contact your local Challenger Lifts Parts Distributor for pricing and availability.
(Call Challenger Lifts Inc. [phone] for the Parts Distributor in your area)

Model CL12
Installation, Operation and Maintenance
Page 16 Rev. 10/23/19
CL12-IOM-A.doc
PARTS BREAKDOWN (continued)
Fig B. Lock-Power/Idler
ITEM # PART # QTY/LIFT DESCRIPTION
21 12616 2 LOCK WELD
22 12518 2 LOCK RETAINER
23 12073 4 5/16”-18 x ½” Lg. BUTTON HEAD CAP SCREW
24 37072 2 LOCK COVER
25 37042 2 PIVOT ROD
26 37031 4 5/32 SPEED NUT
27
12656-LC
1
LOCK CABLE ASSEMBLY (CL12-LC)
12656-0 LOCK CABLE ASSEMBLY (CL12-0)
12656-1 LOCK CABLE ASSEMBLY (CL12-1)
12656-2 LOCK CABLE ASSEMBLY (CL12-2)
28 12715 1 3/8 ” O.D. LONG EXTENSION SPRING
29 12716 2 D-RING CONNECTOR LINK
30 A1131 3 3/8” O.D. EXTENSION SPRING
31 12654 1 3/8” x 3 ¼” LONG CLEVIS PIN
32 12658 2 NYLON SPACER
33 A1142-12 1 LOCK RELEASE CLEVIS
34 A1134 1 STUD HANDLE
35 A1143 2 3/8”-16 HEX JAM NUT
36 36096 1 BALL HANDLE
37 40126 1 1/8” x 1 ½” COTTER PIN
38 37119 1 CLEVIS PIN KIT
39 A1130-02 1 LOCK CABLE MOUNTING TAB (BLACK)
40 A1132 1 1/2" O.D. SHORT EXTENSION SPRING
41 10335 7 5/16-18NC x 3/8” Lg. PHILLIPS PAN HEAD SCREW
42 A1122-12 2 HYD. HOSE CLAMP
43 B2209 2 ADAPTER ORGANIZER RACK
44 B2206-3 4 STACK ADAPTER EXTENSION – 3”
45 B2206-6 2 STACK ADAPTER EXTENSION – 6”
Replace all worn, damaged, or broken parts with parts approved by Challenger Lifts Inc.
or with parts meeting Challenger Lifts Inc. specifications.
Contact your local Challenger Lifts Parts Distributor for pricing and availability.
(Call Challenger Lifts Inc. [phone] for the Parts Distributor in your area)

Model CL12
Installation, Operation and Maintenance
Page 17 Rev. 10/23/19
CL12-IOM-A.doc
PARTS BREAKDOWN (continued)
Fig C. Hydraulics
ITEM # PART # QTY/LIFT DESCRIPTION
45 16138R 2 HYD. RAM CYLINDER (68” STROKE) (CL12-LC ONLY)
39097R 2 HYD. RAM CYLINDER (72” STROKE)
46 12791-LC 1 POWER HOSE (LOW CEILING HEIGHT, LENGTH 130”)
12791-0 POWER HOSE (STD. HEIGHT, LENGTH 151”)
47 12792-LC 1 IDLER HOSE (LOW CEILING HEIGHT, LENGTH 274”)
12792-0 IDLER HOSE (STD. HEIGHT, LENGTH 295”)
48 12539-012 3 1 FT. HOSE EXTENSION (CL12-1, LENGTH 12”)
12539-024 2 FT. HOSE EXTENSION (CL12-2, LENGTH 24”)
49 12793-LC 1 POWER UNIT HOSE (LOW CEILING HEIGHT, LENGTH 73”)
12793-0 POWER UNIT HOSE (STD.HEIGHT, LENGTH 88”)
50 39103 1 TEE FITTING
51
AB-9858
1
POWER UNIT 1 PHASE
AD-9858-2 POWER UNIT 3 PHASE
52 16167 3 90 DEG. O-RING ELBOW
53 31025 1 LINE CLAMP
54 12748 1 1/4-20 x 1/4 NYLON SPACER
55 A2125 1 1/4"-20 x 3/4” HEX FLANGE NUT
56 40085 1 1/4”-20 HEX FLANGE NUT
Replace all worn, damaged, or broken parts with parts approved by Challenger Lifts Inc.
or with parts meeting Challenger Lifts Inc. specifications.
Contact your local Challenger Lifts Parts Distributor for pricing and availability.

Model CL12
Installation, Operation and Maintenance
Page 18 Rev. 10/23/19
CL12-IOM-A.doc
(Call Challenger Lifts Inc. [phone] for the Parts Distributor in your area)
PARTS BREAKDOWN (continued)
Fig D. Synchronizer
ITEM # PART # QTY/LIFT DESCRIPTION
60 A1153 2 3/8-16 x ¾ Lg. LOCK HEX FLG. HD.CAP SCREW
61 A2158 2 ؼ” x 1 ¾” Lg. CLEVIS PIN
62 CL12760 6 PULLY ASSEMBLY
63 31020 6 WASHER
64 31021 6 1 3/8” RETAINING RING
65
12703-LC 1 SYNC. CABLE ASSEMBLY (CL12-LC) (Set of 2)
12703-0 1 SYNC. CABLE ASSEMBLY (CL12-0) (Set of 2)
12703-1 1 SYNC. CABLE ASSEMBLY (CL12-1) (Set of 2)
12703-2 1 SYNC. CABLE ASSEMBLY (CL12-2) (Set of 2)
65 12775 2 12” TAKE UP TUBES (NOT SHOWN) (CL12-0, CL12-1, & CL12-2 ONLY)
Replace all worn, damaged, or broken parts with parts approved by Challenger Lifts Inc.
or with parts meeting Challenger Lifts Inc. specifications.
Contact your local Challenger Lifts Parts Distributor for pricing and availability.
(Call Challenger Lifts Inc. [phone] for the Parts Distributor in your area)

Model CL12
Installation, Operation and Maintenance
Page 19 Rev. 10/23/19
CL12-IOM-A.doc
PARTS BREAKDOWN (continued)
Fig E. Carriage & Arms
ITEM # PART # QTY/LIFT DESCRIPTION
75 B12621 2 CARRIAGE WELD
76 31023 16 SLIDE BLOCK ASSEMBLY
77 B12800B 4 3-STAGE ARM ASSEMBLY (includes Items 78 thru 87)
78 B12544 4 ARM PIN WELD
79 B12162S-12 4 FOOT PAD ASSEMBLY – 12K
79A A1104-H 4 Pad
79B B12163S 4 ADAPTER PAD WELD
79D B17276-1 4 ADAPTER BASE
79E B17257 4 3 x 45mm RETAINING RING
80 B12801 4 FEMALE ARM WELD
81 B12802 4 INTERMEDIATE ARM WELD
82 B12803 4 MALE ARM WELD
83 B2211 4 ROLL PIN-Ø6 x 30mm Lg.
84 B12805 8 ARM SHIM
85 B12807 8 M6x6 BUTTON HEAD CAP SCREW
86 3W-04-18 8 STOP BLOCK
87 17350 16 M8x10 FLAT HEAD BOLT, CL8.8
88 A1077TC-12 4 ARM RESTRAINT SHAFT ASSEMBLY (includes items 89 thru 94)
89 A1075 4 PULL RING
90 12583 4 ARM RESTRAINT SHAFT
91 31109 4 COMPRESSION SPRING
92 A1072TC 4 OUTER GEAR
93 36014 4 1” EXTERNAL RETAINING RING
94 12568 4 3/8-16NC HEX FLANGE HEAD CAP SC
R
EW
95 A1070TC 4 INNER GEAR
96 B1068 8 M10x25 HEX FLANGE HEAD BOLT
97 B2203S-01D 4 39mm ID, 51mm OD Washer
98 B1083 4 38mm External Retaining Ring
99 B2026-2 2 DOOR GUARD
100 X10-088 4 M8 x 1.25 x 30mm SHCS
Replace all worn, damaged, or broken parts with parts approved by Challenger Lifts Inc.
or with parts meeting Challenger Lifts Inc. specifications.
Contact your local Challenger Lifts Parts Distributor for pricing and availability.
(Call Challenger Lifts Inc.[phone] for the Parts Distributor in your area)

Model CL12
Installation, Operation and Maintenance
Page 20 Rev. 10/23/19
CL12-IOM-A.doc
REVISIONS
10/23/19- UPDATED SHEAVE PART NUMBER CL31019 TO CL12760