Model EELR537A
Installation, Operation and Maintenance
Page
8
Rev. 09/16/2021
EELR537A-IOM.
doc
39) Connect Overhead Limit Switch Cord to
Contactor as shown.
40) Connect Contactor to Power unit as shown.
Connect Contactor to suitable electrical
source as shown.
IMPORTANT
:
A
FTER WIRING HAS BEEN
COMPLETED
,
TEST OPERATION OF
P
OWER
U
NIT
&
O
VERHEAD
L
IMIT SWITCH
.
W
HILE RAISING LIFT
,
OPERATE
O
VERHEAD
S
HUTOFF
B
AR
.
P
OWER
U
NIT
M
OTOR SHOULD STOP WHEN
S
HUTOFF
B
AR IS
RAISED
.
C
OLUMN
D
ECAL
P
LACEMENT
41) Clean the surface of the columns before
placing the decals.
42) Apply Logo Decals to each column extension
and Safety Decals (Pg. 3) 48” above the base
plate on the power column as described in
Fig. 12
below.
Fig 12 – Safety & Logo Decal Placement
F
INAL
A
DJUSTMENTS
H
YDRAULICS
43) Lower the lift to the floor and raise the lift
approximately one foot.
44) Start with Idler side first. Slowly and carefully
loosen the bleed plug on top side of the
cylinder just enough to allow the entrapped
air to escape. Repeat for power side.
45) Raise lift 6 inches. Repeat step 42 until no air
comes out of cylinder.
46) 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.
47) 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
.
S
YNCHRONIZING
C
ABLES
48) Raise lift and ensure carriages lower into
same lock position.
49) Adjust synchronizing cables so the tension is
equal in both cables and carriages are firmly
sitting on locks.
50) Cycle lift to ensure that latches operate
simultaneously.
L
OCK
R
ELEASE
C
ABLE
51) Raise lift to a lock position but don’t set into
the lock. Pull and release Power Column
lock release handle while watching Idler
Column lock. Adjust Cable tension by
removing slack and retightening cable clamp
at the power side.
IMPORTANT:
I
F IDLER SIDE
LOCK PAWL DOES NOT FULLY DISENGAGE
,
DAMAGE MAY RESULT TO IDLER SIDE CARRIAGE
AND OR CABLE SYNCHRONIZING SYSTEM
.
52) Tighten and trim wire ties.
53) Remove lock release knob and install both
covers. Replace lock release knob.
FINAL
CHECKOUT
PROCEDURE
54) Demonstrate the operation of the lift to the
owner/operator and review correct and safe
lifting procedures using the
Lifting It Right
booklet as a guide.
55) Return all provided literature (including this
manual) to the literature pack envelope and
deliver the envelope to the
owner/operator/employer.
56) Complete the online warranty registration
(refer to the included warranty statement).