Models EELR538A and EELR539A
Models EELR540A and EELR541A
Installation, Operation and Maintenance
Page
12
Rev. 08/27/2021
15-18000-IOM-W.doc
L
IFTING A
V
EHICLE
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.
D
O NOT EXCEED
3750
POUNDS PER ARM
(15K).
D
O NOT EXCEED
4500
POUNDS PER ARM
(18K).
D
O NOT ATTEMPT TO LIFT THE VEHICLE WITH ONLY TWO
ARMS
,
AS THIS WILL VOID THE WARRANTY
I
NSURE THAT THE HIGHEST POINT ON THE VEHICLE WILL
CONTACT THE
O
VERHEAD
L
IMIT
S
WITCH
B
AR
.
D
O NOT PLACE THE VEHICLE IN THE SERVICE BAY
BACKWARDS
.
R
EFER TO THE VEHICLE MANUFACTURERS SERVICE
MANUAL
,
TECHNICAL BULLETINS
,
“V
EHICLE
L
IFTING
P
OINTS
G
UIDE
”
(ALI/LP-G
UIDE
)
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 locks on both
columns engage. The vehicle should remain level
when both locks 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 locks.
Always lower lift into locks before entering the
area beneath the vehicle.
A
lways use safety stands when removing or
installing heavy components.
L
OWERING
A
V
EHICLE
1) Insure that the area under the vehicle is clear of
personnel and tools.
2) Raise the vehicle until both locks are free.
3) Disengage the locks by pressing and holding the
lock release palm button.
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.
L
OSS OF POWER
If for any reason the lift will not raise off 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.
M
AINTENANCE
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 lock release activation. When properly
adjusted, the idler column lock should rest firmly
against the back of the column when engaged and
against the spring mount tab when disengaged.
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
.
